diff --git a/seqs/backup.cfg.example b/seqs/backup.cfg.example
index 1bedfb4..cb08f13 100644
--- a/seqs/backup.cfg.example
+++ b/seqs/backup.cfg.example
@@ -3,10 +3,10 @@
 # Backup sequence definitions
 
 # A running debian needs at least the following runtime directories created to start up successfully:
-##  dev 
+##  dev
 ##  proc
 ##  sys
-##  run   
+##  run
 
 BACKUP_TARGET="/backup"
 # Exclude notation "directory/*" creates the directory but NOT its content
diff --git a/seqs/backup.sh b/seqs/backup.sh
index 9336741..3f585b4 100755
--- a/seqs/backup.sh
+++ b/seqs/backup.sh
@@ -20,7 +20,7 @@ seq_config() {
   return 0
 }
 
-step_1_info() { 
+step_1_info() {
   echo "Backup root"
   echoinfo "Essential excludes are provided in the configuration template."
   echoinfo "(${seq_configTemplate})"
@@ -42,7 +42,7 @@ step_1() {
   step budir / "$buTarget" "${BACKUP_EXCLUDES[@]}" "$@"
 }
 
-step_3_info() { 
+step_3_info() {
   # Backup single directory recursively
   local opt=
   local dir='<SOURCE>'
@@ -152,15 +152,15 @@ step_3() {
   if [ $noRemount -eq 0 ]; then
     # remount target to be writable
     exep "mount -o rw,remount '${buTarget}' >>/dev/null 2>&1"
-    endReturn -o $? "Remount (${buTarget}) to be writable failed"
+    endReturn "Remount (${buTarget}) to be writable failed"
   fi
 
-  if [ ! -w "${buTarget}" ] ; then 
+  if [ ! -w "${buTarget}" ] ; then
     error -e "Backup target (${buTarget}) is not writable"
     exit 1
   fi
 
-  checkInstalled 
+  checkInstalled
   exep "mv -f ${buTarget}/${buLog}0.log /tmp/${buLog}1.log 2>/dev/null"
   exep "${sq_toolBin} -avxHAX --delete --info=stats2 ${buExcludes[*]} ${tmpSource} ${tmpTarget} > /tmp/${buLog}0.log"
 
diff --git a/seqs/basics.sh b/seqs/basics.sh
index 4e1e195..f9b7a96 100755
--- a/seqs/basics.sh
+++ b/seqs/basics.sh
@@ -16,7 +16,7 @@ step_10_info() { echo "ssmtp installation"; }
 step_10_alias() { echo "ssmtp"; }
 step_10() {
   exe apt update && apt install $SSMTP_DEPS
-  endReturn -o $? "ssmtp installation failed"
+  endReturn "ssmtp installation failed"
 }
 SSMTP_DEPS="ssmtp"
 
@@ -29,7 +29,7 @@ step_11() {
     return 1
   fi
   addConf -c -f "$CONFIG_FILE_SSMTP" "$CONFIG_LOC_SSMTP"
-  endReturn -o $? "Could not write ssmtp configuration"
+  endReturn "Could not write ssmtp configuration"
 
   if [ ! -f "$CONFIG_FILE_SSMTP_AL" ] ; then
     warning -e "User aliases ($CONFIG_FILE_SSMTP_AL) not found"
@@ -37,7 +37,7 @@ step_11() {
     return 1
   fi
   addConf -c -f "$CONFIG_FILE_SSMTP_AL" "$CONFIG_LOC_SSMTP_AL"
-  endReturn -o $? "Could not write ssmtp aliases"
+  endReturn "Could not write ssmtp aliases"
 }
 CONFIG_LOC_SSMTP="/etc/ssmtp/ssmtp.conf"
 CONFIG_LOC_SSMTP_AL="/etc/ssmtp/revaliases"
diff --git a/seqs/basics/revaliases.cfg.example b/seqs/basics/revaliases.cfg.example
index 77ff91f..6175c06 100644
--- a/seqs/basics/revaliases.cfg.example
+++ b/seqs/basics/revaliases.cfg.example
@@ -1,5 +1,5 @@
 # sSMTP aliases
-# 
+#
 # Format:	local_account:outgoing_address:mailhub
 #
 # Example: root:your_login@your.domain:mailhub.your.domain[:port]
diff --git a/seqs/basics/ssmtp.cfg.example b/seqs/basics/ssmtp.cfg.example
index 5b33cf3..6edabcd 100644
--- a/seqs/basics/ssmtp.cfg.example
+++ b/seqs/basics/ssmtp.cfg.example
@@ -5,7 +5,7 @@
 # Make this empty to disable rewriting.
 root=postmaster
 
-# The place where the mail goes. The actual machine name is required no 
+# The place where the mail goes. The actual machine name is required no
 # MX records are consulted. Commonly mailhosts are named mail.domain.com
 mailhub=host:port
 #AuthUser=
diff --git a/seqs/calibreweb.sh b/seqs/calibreweb.sh
index 6b0b1b1..f0ece8b 100755
--- a/seqs/calibreweb.sh
+++ b/seqs/calibreweb.sh
@@ -48,7 +48,7 @@ step_2() {
   fi
   if [ ! -e "$CALWEB_VENV_ROOT/bin" ]; then
     exe python3 -m venv "$CALWEB_VENV_ROOT"
-    endReturn -o $? "Creating virtual environment failed"
+    endReturn "Creating virtual environment failed"
     exe chown -R ${CALWEB_USER}: "$CALWEB_BASE"
   else
     warning "Virtual env. $CALWEB_VENV_ROOT already exists"
@@ -61,7 +61,7 @@ step_3() {
   exe ${CALWEB_VENV_ROOT}/bin/pip install $toolPipName
 }
 
-step_4_info() { 
+step_4_info() {
   echo "Install $toolName features"
   echoinfo ${toolFeatures[*]}
 }
diff --git a/seqs/certbot.cfg.example b/seqs/certbot.cfg.example
index 9fa728c..92a41cb 100644
--- a/seqs/certbot.cfg.example
+++ b/seqs/certbot.cfg.example
@@ -2,7 +2,7 @@
 
 # Web root path where certbot will place the ACME challenge files
 #
-# A nginx example location which needs to placed in the server config listening on port 80 
+# A nginx example location which needs to placed in the server config listening on port 80
 # for the first time and also in the config listeing on port 443 for renewals:
 #
 # location ^~ /.well-known/acme-challenge/ {
diff --git a/seqs/certbot.sh b/seqs/certbot.sh
index 10e5a81..1f1fd11 100755
--- a/seqs/certbot.sh
+++ b/seqs/certbot.sh
@@ -12,7 +12,7 @@ seq_config() {
     # End if no configuration file exists
     dry || return 1
   fi
-  
+
   ## Apt cmdline option to suppress user interaction
   interactive || sq_aptOpt="-y"
 
@@ -28,7 +28,7 @@ step_1() {
   if [ "$(which lsb_release)" == "" ] ; then
     warning -e "Cannot detect OS. Assuming Ubuntu"
     osName="Ubuntu"
-  else  
+  else
     osName=$(lsb_release -is)
     distName=$(lsb_release -cs)
   fi
@@ -38,7 +38,7 @@ step_1() {
     osName="Ubuntu"
   fi
 
-  echo " [I] Detected OS: $osName $distName"
+  info "Detected OS: $osName $distName"
 
   if [ "$osName" == "Ubuntu" ] ; then
     exe apt-get update
diff --git a/seqs/composer.sh b/seqs/composer.sh
index 99164fa..83f3b12 100755
--- a/seqs/composer.sh
+++ b/seqs/composer.sh
@@ -53,7 +53,7 @@ step_1_alias() { echo "status"; }
 step_1() {
   local lDir="$(pwd)"
   local lComp
-  
+
   getComposer || die "No composer installed"
 
   info    "Composer found: ${sq_composerBin}"
@@ -62,7 +62,7 @@ step_1() {
   info -a "$(update-alternatives --list php)"
 }
 
-step_10_info() { 
+step_10_info() {
   echo "Install ${toolName}"
   echoinfo " [OPTIONS]"
   echoinfo "   -l: (default) install composer.phar to the current directory"
@@ -79,7 +79,7 @@ step_10() {
   for _ in "${@}" ; do
     case "${1:-}" in
       -l) shift ;;
-      -g) 
+      -g)
         lLocal=0
         lArgs+=(--install-dir="/usr/local/bin")
         lArgs+=(--filename="composer")
@@ -92,7 +92,7 @@ step_10() {
   local getArg="-l"
   (( ! lLocal )) && getArg="-g"
   getComposer ${getArg} && die "Composer already installed: ${sq_composerBin}"
-  
+
   [[ -n "${1:-}" ]] && lArgs+=(--version="${1}")
   interactive || lArgs+=(--quiet)
 
diff --git a/seqs/coturn.sh b/seqs/coturn.sh
index a56711b..0c3eaa7 100755
--- a/seqs/coturn.sh
+++ b/seqs/coturn.sh
@@ -47,7 +47,7 @@ step_10() {
   local ipRegex='^[0-2]*[0-9]{1,2}\.[0-2]*[0-9]{1,2}\.[0-2]*[0-9]{1,2}\.[0-2]*[0-9]{1,2}\/*[0-9]*$'
   local dnsUrl="46.182.19.48" #digitalcourage.de/support/zensurfreier-dns-server
   local dnsFallbackUrl="194.150.168.168" #dns.as250.net; Berlin/Frankfurt
-  
+
   local lLevelSave=${LOG_LEVEL:?}
   local lTimeSave=${LOG_TIME:-}
   local retval=0
@@ -74,7 +74,7 @@ step_10() {
     warning "Couldn't aquire public IP for ${sc_turnDomain}. Giving up."
     retval=1
 
-  else 
+  else
     local confIp=`cat "$toolConf" | grep "^external-ip" | cut -d'=' -f2`
 
     if [ "$pubIp" != "$confIp" ]; then
@@ -105,7 +105,7 @@ step_12() {
 
   info "Setup $ipCronLoc"
   addConf -s "$ipCron" "$ipCronLoc"
-} 
+}
 
 step_14_info() { echo "Setup ufw rules to allow upnp, optionally from a sepcific SOURCE_IP"; }
 step_14_options() { echo "[SOURCE_IP]"; }
diff --git a/seqs/couchpotato.sh b/seqs/couchpotato.sh
index 029aec6..b9f61c0 100755
--- a/seqs/couchpotato.sh
+++ b/seqs/couchpotato.sh
@@ -25,7 +25,7 @@ seq_config() {
   return 0
 }
 
-step_1_info() { 
+step_1_info() {
   echo "Install $toolName"
   echoinfo "Default port: 5050"
 }
@@ -34,7 +34,7 @@ step_1() {
   exe apt update
   exe apt install $toolDeps $APTOPT
   exe pip install --upgrade pyopenssl
-  endReturn -o $? "Pip install pyopenssl failed"
+  endReturn "Pip install pyopenssl failed"
 }
 
 step_2_info() { echo "Clone git repository"; }
@@ -51,7 +51,7 @@ step_3() {
 step_4_info() { echo "Create systemd service"; }
 step_4() {
   exe cp "$CPO_INSTALL_DIR/init/couchpotato.service" "/etc/systemd/system"
-  endReturn -o $? "Creating service file failed"
+  endReturn "Creating service file failed"
   exe systemctl daemon-reload
 }
 
diff --git a/seqs/debianrpi.sh b/seqs/debianrpi.sh
index f0dd543..578663a 100755
--- a/seqs/debianrpi.sh
+++ b/seqs/debianrpi.sh
@@ -50,18 +50,18 @@ step_1() {
 
   if [ ! -f "$downShaFile" ] ; then
     exe wget -O "$downShaFile" "$downSha256"
-    endReturn -o $? "Error downloading $downShaFile"
+    endReturn "Error downloading $downShaFile"
   fi
 
   if [ ! -f "$toolDownFile" ] ; then
     exe wget -O "$toolDownFile" "$toolDownUrl"
-    endReturn -o $? "Error downloading $downDownFile"
+    endReturn "Error downloading $downDownFile"
   fi
 
   info "Checking SHA256 checksum"
   exe cd $(dirname "$toolDownFile")
-  exe sha256sum -c "$downShaFile" >>/dev/null 
-  endReturn -o $? "SHA256 checksum error"
+  exe sha256sum -c "$downShaFile" >>/dev/null
+  endReturn "SHA256 checksum error"
 }
 
 step_2_info() { echo "Write image to device"; }
@@ -73,7 +73,7 @@ step_2() {
   fi
   read_sd_dev "$SDDEV"
   # check if device was confirmed
-  endReturn -o $? "SD card device not found"
+  endReturn "SD card device not found"
 
   info "Writing $(basename "$toolDownFile")"
   exep "xzcat \"$toolDownFile\" | dd of=$SDDEV bs=64k oflag=dsync status=progress"
@@ -143,7 +143,7 @@ step_12() {
   fi
 
   exe sed -i "s/#[[:space:]]*\($localUsDefault\)/\1/" "$localesConfigLoc"
-  endReturn -o $? "Changing locales failed"
+  endReturn "Changing locales failed"
   exe locale-gen
   exe update-locale LANG=$localUs
   info "Logout and login for changes to be active"
@@ -162,7 +162,7 @@ step_14() {
     return 0
   fi
   exe hostnamectl set-hostname "$localHostname"
-  endReturn -o $? "Couldn't set hostname"
+  endReturn "Couldn't set hostname"
   exe sed -i "s/^\(127\.0\.0\.1[[:space:]]*\)\(localhost.*\)/\1\2\n\1$localHostname/" "$hostsLoc"
 }
 hostsLoc="/etc/hosts"
@@ -255,7 +255,7 @@ read_sd_dev() {
     SDROOTDEV=
     SDBOOTPUUID=
     SDROOTPUUID=
-    echo " [I] Available devices:"
+    info "Available devices:"
     echo
     exe lsblk -p
     echo
@@ -270,7 +270,7 @@ read_sd_dev() {
 
   if [[ "$SDDEV" =~ .*blk.* ]] ; then
     partExt="p"
-  fi 
+  fi
 
   if [ -z $SDBOOT ] ; then
     SDBOOT=$(findmnt -no TARGET "${SDDEV}${partExt}${SDBOOTPARTNO}")
diff --git a/seqs/downloader.sh b/seqs/downloader.sh
index 53e9905..a9fa749 100755
--- a/seqs/downloader.sh
+++ b/seqs/downloader.sh
@@ -59,7 +59,7 @@ step_4() {
   exe systemctl disable sonarr
 }
 
-step_5_info() { 
+step_5_info() {
   echo "Install radarr for arm64"
   echoinfo "Default port: 7878"
 }
@@ -209,7 +209,7 @@ WantedBy=multi-user.target sonarr.service radarr.service
 Alias=nzbget.service
 #RequiredBy=sonarr.service radarr.service"
 
-step_11_info() { 
+step_11_info() {
   echo "Install lidarr for arm64"
   echoinfo "Default port: 8686"
 }
@@ -278,7 +278,7 @@ step_14() {
   local bazarrGitUrl="https://github.com/morpheus65535/bazarr.git"
 
   exe python3 -m venv "$bazarrVenv"
-  endReturn -o $? "Creating virtual environment failed"
+  endReturn "Creating virtual environment failed"
 
   exe git clone $bazarrGitUrl "$bazarrDir"
   exe chown -R $DLD_USER: "$bazarrVenv"
@@ -340,15 +340,15 @@ step_16() {
   local buildPath="/tmp/unrarbuild"
 
   cat /etc/apt/sources.list | grep -E "^deb-src" >>/dev/null 2>&1
-  endReturn -o $? "No deb-src entry found in /etc/apt/sources.list"
+  endReturn "No deb-src entry found in /etc/apt/sources.list"
 
   exe mkdir -p "$buildPath"
   exe cd "$buildPath"
   exe apt build-dep unrar-nonfree ${sq_aptOpt}
   exe apt source -b unrar-nonfree ${sq_aptOpt}
-  endReturn -o $? "unrar-nonfree build failed ($buildPath left untouched)"
+  endReturn "unrar-nonfree build failed ($buildPath left untouched)"
   exe dpkg -i unrar*.deb
-  endReturn -o $? "unrar-nonfree install failed ($buildPath left untouched)"
+  endReturn "unrar-nonfree install failed ($buildPath left untouched)"
 
   exe rm -rf "$buildPath"
 }
@@ -448,7 +448,7 @@ step_21() {
     exe service prowlarr stop
     info "Moving existing $pInstallDir as backup"
     exe mv "$pInstallDir" "${pInstallDir}_bu_"`date +%Y%m%d-%H%M%S`
-  fi 
+  fi
 
   exe tar xvzf "$pTar" -C "${DLD_DIR}"
   exe mv "${DLD_DIR}/Prowlarr" "${DLD_DIR}/prowlarr"
@@ -465,7 +465,7 @@ step_22() {
     info "Stopping sequence here."
     info "     Following steps only exected for fresh installation."
     exit 0
-  fi 
+  fi
 }
 
 step_23_info() { echo "Create prowlarr service"; }
@@ -526,7 +526,7 @@ step_30() {
     exe service readarr stop
     info "Moving existing $lInstallDir as backup"
     exe mv "$lInstallDir" "${lInstallDir}_bu_"`date +%Y%m%d-%H%M%S`
-  fi 
+  fi
 
   exe tar xvf "$readarrTar" -C "${DLD_DIR}"
   exe mv "${DLD_DIR}/Readarr" "${lInstallDir}"
diff --git a/seqs/ebackup.cfg.example b/seqs/ebackup.cfg.example
index 62076c1..9d261e3 100644
--- a/seqs/ebackup.cfg.example
+++ b/seqs/ebackup.cfg.example
@@ -19,7 +19,7 @@ EBU_SOURCE=
 # Change the volume size to number MB. Default is 200MB.
 #EBU_VOLSIZE=
 
-# a command that runs duplicity e.g. 
+# a command that runs duplicity e.g.
 #  shape bandwidth use via trickle
 #  "trickle -s -u 640 -d 5120" # 5Mb up, 40Mb down"
 #EBU_PRECMD=""
@@ -37,7 +37,7 @@ EBU_SOURCE=
 #EBU_CRONTIME='1 2 * * *'
 
 # Uncomment to save the output of the cron run to a logfile
-# log file name will be "encBackup_profilename.log" 
+# log file name will be "encBackup_profilename.log"
 #EBU_LOG_DIR='/var/log'
 
 # Uncomment to log a message to syslog after
diff --git a/seqs/ebackup.sh b/seqs/ebackup.sh
index ca9e935..5e57a00 100755
--- a/seqs/ebackup.sh
+++ b/seqs/ebackup.sh
@@ -15,7 +15,7 @@ seq_config() {
   else
     dry || return 1
   fi
-  
+
   ## Apt cmdline option to suppress user interaction
   interactive || sq_aptOpt="-y"
 
@@ -24,7 +24,7 @@ seq_config() {
   return 0
 }
 
-step_1_info() { 
+step_1_info() {
   echo -n "Backup "
   if contextHelp ; then
     echo "selected profile"
@@ -58,18 +58,18 @@ step_1() {
   done
 
   if [ -z $EBU_TARGET ] || [ -z $EBU_SOURCE ] ; then
-    echo " [I] Nothing to do. Check $seq_configFile"
+    info "Nothing to do. Check $seq_configFile"
     return 1
   fi
 
   if [ -n "${1:-}" ] && ( [ "$1" == "full" ] || [ "$1" == "incremental" ] ) ; then
     dupArgs+=("$1")
   elif [ -n "${1:-}" ] ; then
-    echo " [W] $toolName command \"$1\" not recognized"
+    warning "$toolName command \"$1\" not recognized"
     return 1
   fi
 
-  echo " [I] Running backup profile [$seq_profileName]"
+  info "Running backup profile [$seq_profileName]"
 
   if [ "${dupArgs[0]:-}" != "full" ] && [ -n "$EBU_MAX_FULLBKP_AGE" ] ; then
     dupArgs+=(--full-if-older-than "$EBU_MAX_FULLBKP_AGE")
@@ -79,7 +79,7 @@ step_1() {
   fi
 
   checkInstalled
-  setPassphrase 
+  setPassphrase
   exe $toolBin "${dupArgs[@]:-}" "${EBU_SOURCE:?}" "${EBU_TARGET:?}"
   retVal=$?
   unsetPassphrase
@@ -97,7 +97,7 @@ step_3() {
   shift
 
   if [ -z $EBU_TARGET ] || [ -z $EBU_SOURCE ] ; then
-    echo " [I] Nothing to do. Check $seq_configFile"
+    info "Nothing to do. Check $seq_configFile"
     return 1
   fi
 
@@ -107,7 +107,7 @@ step_3() {
   unsetPassphrase
 }
 
-step_5_info() { 
+step_5_info() {
   echo "Restore files from backup"
   echoinfo " [OPTIONS]"
   echoinfo "   --file-to-restore, -f <RELPATH> : Relative path within backup"
@@ -148,7 +148,7 @@ step_5() {
   fi
 
   checkInstalled
-  setPassphrase 
+  setPassphrase
   exe $toolBin restore "${restoreOpt[@]}" "$EBU_TARGET" "$ebuLocalTarget"
   unsetPassphrase
 }
@@ -166,9 +166,9 @@ step_7() {
 
   if [ ! -z "$EBU_MAX_AGE" ] ; then
     dupCommand+="remove-older-than $EBU_MAX_AGE "
-  elif [ ! -z "$EBU_MAX_FULL_BACKUPS" ] ; then 
+  elif [ ! -z "$EBU_MAX_FULL_BACKUPS" ] ; then
     dupCommand+="remove-all-but-n-full $EBU_MAX_FULL_BACKUPS "
-  elif [ ! -z "$EBU_MAX_FULLS_WITH_INCRS" ] ; then 
+  elif [ ! -z "$EBU_MAX_FULLS_WITH_INCRS" ] ; then
     dupCommand+="remove-all-inc-of-but-n-full $EBU_MAX_FULLS_WITH_INCRS "
   else
     if interactive ; then warning -e "No purge option configured" ; fi
@@ -176,7 +176,7 @@ step_7() {
   fi
 
   checkInstalled
-  setPassphrase 
+  setPassphrase
   exe $toolBin $dupCommand --force "$ebuTarget"
   unsetPassphrase
 }
@@ -215,13 +215,13 @@ step_22() {
   fi
 
   checkInstalled
-  setPassphrase 
+  setPassphrase
   exe $toolBin list-current-files "$ebuTarget"
   unsetPassphrase
 }
 
 
-step_70_info() { 
+step_70_info() {
   echo -n "Manage cron file for "
   if contextHelp ; then
     echo -n "selected profile"
@@ -260,16 +260,16 @@ step_70() {
   cronEntry+=" >$cronLog"
 
   if [ -z "$EBU_CRONTIME" ] || [ $cronRemove -ne 0 ] ; then
-    echo " [I] Removing cron for profile $seq_profileName"
+    info "Removing cron for profile $seq_profileName"
     exe rm -r "$cronScript"
   else
     checkFileHead "$cronScript" "$cronEntry"
     if [ $? -ne 0 ] ; then
-      echo " [I] Update cron for profile $seq_profileName"
+      info "Update cron for profile $seq_profileName"
       exep "sudo echo \"$cronEntry\" > \"$cronScript\""
       syslogEntry "Cron file update complete [$EBU_CRONTIME]"
     else
-      echo " [I] Cron for profile $seq_profileName is up to date"
+      info "Cron for profile $seq_profileName is up to date"
     fi
   fi
 }
@@ -291,14 +291,14 @@ step_100() {
 }
 
 setPassphrase() {
-  if [ -z "${PASSPHRASE:-}" ] && [ -n "${EBU_PASSPHRASE:-}" ] ; then 
+  if [ -z "${PASSPHRASE:-}" ] && [ -n "${EBU_PASSPHRASE:-}" ] ; then
     export PASSPHRASE="$EBU_PASSPHRASE"
   fi
 }
 
 unsetPassphrase() {
   unset PASSPHRASE
-} 
+}
 
 checkFileHead() {
   local readChar
@@ -307,7 +307,7 @@ checkFileHead() {
     return 1
   fi
   read -r -n ${#2} readChar < "$1"
-  if [ "$readChar" == "$2" ] ; then 
+  if [ "$readChar" == "$2" ] ; then
     return 0
   fi
   return 1
@@ -325,7 +325,7 @@ checkInstalled() {
       step install
     fi
     toolBin="${EBU_PRECMD:-} $(escpath "$(command -v $toolName)")"
-  fi 
+  fi
 }
 
 # shellcheck disable=SC2034 # Appears unused
diff --git a/seqs/ejabberd.yml b/seqs/ejabberd.yml
index cb28e53..0e719e5 100644
--- a/seqs/ejabberd.yml
+++ b/seqs/ejabberd.yml
@@ -8,8 +8,8 @@ log_rate_limit: 100
 hosts:
   - "mydomain.eu"
 
-listen: 
-  - 
+listen:
+  -
     port: 5222
     ip: "::"
     module: ejabberd_c2s
@@ -37,11 +37,11 @@ listen:
     access: c2s
     zlib: true
     resend_on_timeout: if_offline
-  - 
+  -
     port: 5269
     ip: "::"
     module: ejabberd_s2s_in
-  - 
+  -
     port: 5280
     ip: "::"
     module: ejabberd_http
@@ -124,8 +124,8 @@ acl:
      user:
        - "myuser": "mydomain.eu"
          #- "@localhost"
- 
-  local: 
+
+  local:
     user_regexp: ""
 
   loopback:
@@ -160,23 +160,23 @@ access_rules:
   announce:
     - allow: admin
   ## Only admins can use the configuration interface:
-  configure: 
+  configure:
     - allow: admin
   ## Only accounts of the local ejabberd server can create rooms:
-  muc_create: 
+  muc_create:
     - allow: local
   ## Only accounts on the local ejabberd server can create Pubsub nodes:
-  pubsub_createnode: 
+  pubsub_createnode:
     - allow: local
   ## In-band registration allows registration of any possible username.
   ## To disable in-band registration, replace 'allow' with 'deny'.
-  register: 
-    - deny 
+  register:
+    - deny
   ## Only allow to register from localhost
-  trusted_network: 
+  trusted_network:
     - allow: loopback
   ## Do not establish S2S connections with bad servers
-  s2s: 
+  s2s:
   ##   - deny:
   ##     - ip: "XXX.XXX.XXX.XXX/32"
   ##   - deny:
@@ -185,7 +185,7 @@ access_rules:
 
 language: "en"
 
-modules: 
+modules:
   mod_adhoc: {}
   mod_admin_extra: {}
   mod_announce: # recommends mod_adhoc
@@ -216,7 +216,7 @@ modules:
   ##   docroot: "/var/www"
   ##   accesslog: "/var/log/ejabberd/access.log"
   mod_last: {}
-  mod_muc: 
+  mod_muc:
     ## host: "conference.@HOST@"
     access:
       - allow
@@ -227,7 +227,7 @@ modules:
   ## mod_muc_log: {}
   mod_muc_admin: {}
   ## mod_multicast: {}
-  mod_offline: 
+  mod_offline:
     access_max_user_messages: max_user_offline_messages
   mod_ping: {}
   ## mod_pres_counter:
@@ -236,7 +236,7 @@ modules:
   mod_privacy: {}
   mod_private: {}
   ## mod_proxy65: {}
-  mod_pubsub: 
+  mod_pubsub:
     access_createnode: pubsub_createnode
     ## reduces resource comsumption, but XEP incompliant
     #ignore_pep_from_offline: true
@@ -246,7 +246,7 @@ modules:
     max_items_node: 1000
     default_node_config:
       max_items: 1000
-    plugins: 
+    plugins:
       - "flat"
       - "hometree"
       - "pep" # pep requires mod_caps
@@ -283,7 +283,7 @@ modules:
     ##
     ##   access_from: deny
     ##   access: register
-    
+
     # No registration, but allow existing accounts to change password
     access: none
   mod_roster:
diff --git a/seqs/element-web.sh b/seqs/element-web.sh
index 8451b63..999df1e 100755
--- a/seqs/element-web.sh
+++ b/seqs/element-web.sh
@@ -33,7 +33,7 @@ step_1() {
   return 0
 }
 
-step_20_info() { 
+step_20_info() {
   echo -n "Create a backup"
   if (( sq_config )) ; then
     echo " at $ELEMENT_WEB_BACKUP"
@@ -116,10 +116,10 @@ step_22() {
   if [ ! -e "$tempExtract" ] ; then
     exe mkdir -p "$tempDown"
     exe wget -O "$tempLoc" "$downUrl"
-    endReturn -o $? "Download failed: $downUrl"
+    endReturn "Download failed: $downUrl"
     exe cd "$tempDown"
     exe tar -xf "$tempLoc"
-    endReturn -o $? "Extract failed: $tempLoc"
+    endReturn "Extract failed: $tempLoc"
   else
     info "Found existing download: $tempExtract"
   fi
@@ -130,7 +130,7 @@ step_22() {
 
   exe mv "$ELEMENT_WEB_LOC" "$tempBu"
   step backup "$tempBu"
-  endReturn -o $? "Backup failed; $ELEMENT_WEB_LOC renamed!"
+  endReturn "Backup failed; $ELEMENT_WEB_LOC renamed!"
   info "Installing version $latestVersion to $ELEMENT_WEB_LOC"
   exe mv "$tempExtract" "$ELEMENT_WEB_LOC"
   exe chown -R www-data: "$ELEMENT_WEB_LOC"
diff --git a/seqs/fail2ban/filter.d/nextcloud.conf b/seqs/fail2ban/filter.d/nextcloud.conf
index 17a3679..e3625da 100644
--- a/seqs/fail2ban/filter.d/nextcloud.conf
+++ b/seqs/fail2ban/filter.d/nextcloud.conf
@@ -1,4 +1,4 @@
 [Definition]
 
 failregex = ^.*\"remoteAddr\":\"<HOST>\".*Trusted domain error.*$
-	    ^.*\"remoteAddr\":\"<HOST>\".*Login failed:.*$		 
+	    ^.*\"remoteAddr\":\"<HOST>\".*Login failed:.*$
diff --git a/seqs/fail2ban/jail.d/ip-blacklist.conf b/seqs/fail2ban/jail.d/ip-blacklist.conf
index f845605..59f544c 100644
--- a/seqs/fail2ban/jail.d/ip-blacklist.conf
+++ b/seqs/fail2ban/jail.d/ip-blacklist.conf
@@ -7,10 +7,10 @@ logpath   = /etc/fail2ban/ip.blacklist
 maxretry  = 0
 findtime  = 600
 # infinite ban
-#bantime   = -1 
+#bantime   = -1
 # 1 day ban
-#bantime   = 24h 
+#bantime   = 24h
 # 2 day ban
-bantime   = 48h 
+bantime   = 48h
 # 10 minute ban
 #bantime   = 10m
diff --git a/seqs/fail2ban/jail.d/nextcloud.conf b/seqs/fail2ban/jail.d/nextcloud.conf
index 7f6f2bc..83f2465 100644
--- a/seqs/fail2ban/jail.d/nextcloud.conf
+++ b/seqs/fail2ban/jail.d/nextcloud.conf
@@ -4,4 +4,4 @@ logpath  = /var/nc_data/nextcloud.log
 port     = http,https
 filter   = nextcloud
 maxretry = 3
-bantime  = 24h 
+bantime  = 24h
diff --git a/seqs/fhem.sh b/seqs/fhem.sh
index b30c921..63e8b81 100755
--- a/seqs/fhem.sh
+++ b/seqs/fhem.sh
@@ -34,21 +34,21 @@ step_1() {
   #exe apt update
   exe apt install $toolDeps $toolDeps2 "$aptOpt"
   #exe apt install "$toolDeps2" "$aptOpt"
-  endReturn -o $? "Installation of prerequisits failed"
+  endReturn "Installation of prerequisits failed"
 }
 
 step_2_info() { echo "Install jabber prerequisits"; echoinfo "(May be skipped)"; }
 step_2() {
   exe apt install $toolDepsJabber "$aptOpt"
-  endReturn -o $? "Installation of prerequisits for jabber failed"
+  endReturn "Installation of prerequisits for jabber failed"
 }
 
 step_3_info() { echo "Download and install $toolName version $toolVersion"; }
 step_3() {
   exe wget "$toolUrl" -O "$downPath"
-  endReturn -o $? "Download of $toolName failed"
+  endReturn "Download of $toolName failed"
   exe dpkg -i "$downPath"
-  endReturn -o $? "Installation of $toolName failed"
+  endReturn "Installation of $toolName failed"
   info "$toolName is now running on http://$(hostname -I | cut -d " " -f 1):8083"
 }
 downPath="/tmp/$toolDpkg"
@@ -56,14 +56,14 @@ downPath="/tmp/$toolDpkg"
 step_20_info() { echo "List $toolName prerequisits"; }
 step_20_alias() { echo "listdeps"; }
 step_20() {
-  echo " [I] $toolName prerequisits:"
+  info "$toolName prerequisits:"
   echo "$toolDeps $toolDeps2"
 }
 
 step_30_info() { echo "Create user $toolUser"; }
 step_30() {
   exe useradd --system --home "$toolHome" --gid dialout --shell /bin/false "$toolUser"
-  endReturn -o $? "Creating user $toolUser failed"
+  endReturn "Creating user $toolUser failed"
 }
 
 step_32_info() { echo "Create $toolName systemd service"; }
@@ -78,11 +78,11 @@ step_34_alias() { echo "downgrade_xmpp"; }
 step_34() {
   if [ ! -f $libnetDown ]; then
     exe wget "$libnetUrl" -O "$libnetDown"
-    endReturn -o $? "Download of $libnetUrl failed"
+    endReturn "Download of $libnetUrl failed"
   fi
   if [ ! -f $libxmlDown ]; then
     exe wget "$libxmlUrl" -O "$libxmlDown"
-    endReturn -o $? "Download of $libxmlUrl failed"
+    endReturn "Download of $libxmlUrl failed"
   fi
 
   local aptOption=
@@ -104,7 +104,7 @@ step_34() {
   saveReturn $?
   exe dpkg -i "$libnetDown"
   saveReturn $?
-  exe apt install libnet-jabber-perl $aptOption 
+  exe apt install libnet-jabber-perl $aptOption
   saveReturn $?
   endReturn "Failed removing packages; Manual fix required"
 
@@ -124,7 +124,7 @@ step_35() {
 aptPinFile="/etc/apt/preferences.d/00_FhemJabber"
 aptPinXmpp="Package: libnet-xmpp-perl
 Pin: version 1.02-3*
-Pin-Priority: 1000 
+Pin-Priority: 1000
 
 Package: libxml-stream-perl
 Pin: version 1.23-2
diff --git a/seqs/fhem/20-FhemIf.rules b/seqs/fhem/20-FhemIf.rules
index 6853fe2..23cec3c 100644
--- a/seqs/fhem/20-FhemIf.rules
+++ b/seqs/fhem/20-FhemIf.rules
@@ -1,6 +1,6 @@
 # Datei: /etc/udev/rules.d/20-FehmIf.rules
 # Gerät CUL868 busware.de (homematic RF) an USB
-SUBSYSTEM=="tty", ATTRS{idVendor}=="03eb", ATTRS{idProduct}=="204b", SYMLINK+="tty_CUL868" 
+SUBSYSTEM=="tty", ATTRS{idVendor}=="03eb", ATTRS{idProduct}=="204b", SYMLINK+="tty_CUL868"
 SUBSYSTEM=="tty", ATTRS{idVendor}=="0658", ATTRS{idProduct}=="0200", SYMLINK+="tty_Zwave"
 SUBSYSTEM=="tty", ATTRS{idVendor}=="0403", ATTRS{idProduct}=="6001", ATTRS{serial}=="A40352S9", SYMLINK+="ttyUSB_RS485"
 SUBSYSTEM=="tty", ATTRS{idVendor}=="0403", ATTRS{idProduct}=="6001", ATTRS{serial}=="A103R0XO", SYMLINK+="ttyUSB_LinkUSBi"
diff --git a/seqs/freeradius.sh b/seqs/freeradius.sh
index aab64f4..2636911 100755
--- a/seqs/freeradius.sh
+++ b/seqs/freeradius.sh
@@ -39,11 +39,11 @@ step_50() {
   local frDbSchema="$toolConfLoc/mods-config/sql/main/mysql/schema.sql"
   local frDbSetup="$toolConfLoc/mods-config/sql/main/mysql/setup.sql"
   exe "$WDIR"/mysql.sh createdb -c utf8 -d "$FRAD_DB_NAME" -u "$FRAD_DB_USER"
-  endReturn -o $? "Creating database failed"
+  endReturn "Creating database failed"
 
-  exep "mysql -uroot \"$FRAD_DB_NAME\" < $frDbSchema" 
-  #exep "mysql -uroot \"$FRAD_DB_NAME\" < $frDbSetup" 
-  exep "mysql -uroot \"$FRAD_DB_NAME\" < $drDbInit" 
+  exep "mysql -uroot \"$FRAD_DB_NAME\" < $frDbSchema"
+  #exep "mysql -uroot \"$FRAD_DB_NAME\" < $frDbSetup"
+  exep "mysql -uroot \"$FRAD_DB_NAME\" < $drDbInit"
 }
 
 
diff --git a/seqs/friendica.sh b/seqs/friendica.sh
index 1eafc41..d92be8c 100755
--- a/seqs/friendica.sh
+++ b/seqs/friendica.sh
@@ -40,16 +40,16 @@ step_20() {
   fi
 
   exe "${seq_dir}/mysql.sh" -qq backup "$FR_DATABASE" "$FR_BACKUP"
-  endReturn -o $? "Backup mysql database failed"
+  endReturn "Backup mysql database failed"
 
   [ ! -e "$tempRoot" ] && endReturn -o 1 -f "Friendica root $tempRoot not found"
 
   local wwwBackup="$FR_BACKUP/${toolName}_www_`date +%Y%m%d-%H%M%S`.tar.gz"
   local dataBackup="$FR_BACKUP/${toolName}_data_`date +%Y%m%d-%H%M%S`.tar.gz"
-  echo " [I] Backing up webserver directory to $wwwBackup"
+  info "Backing up webserver directory to $wwwBackup"
   exe cd "$tempRoot/.."
   exe tar czf "$wwwBackup" $(basename "$tempRoot")
-  echo " [I] Backing up data directory to $dataBackup"
+  info "Backing up data directory to $dataBackup"
   exe cd "$FR_LOC_DATA/.."
   exe tar czf "$dataBackup" $(basename "$FR_LOC_DATA")
 }
@@ -110,21 +110,21 @@ step_22() {
   if [ ! -e "$tempExtract" ] ; then
     exe mkdir -p "$tempDown"
     exe wget -O "$tempLoc" $downUrl
-    endReturn -o $? "Download failed: $downUrl"
+    endReturn "Download failed: $downUrl"
     exe cd "$tempDown"
     exe tar -xf "$tempLoc"
-    endReturn -o $? "Extract failed: $tempLoc"
+    endReturn "Extract failed: $tempLoc"
   else
     info "Found existing download: $tempExtract"
   fi
 
   if [ ! -e "$tempExtractAddons" ] ; then
     exe wget -O "$tempLocAddons" $downUrlAddons
-    endReturn -o $? "Download failed: $downUrlAddons"
+    endReturn "Download failed: $downUrlAddons"
     exe cd "$tempDown"
     exe mkdir -p "$tempExtractAddons"
     exe tar -xC "${tempExtractAddons}" -f "$tempLocAddons"
-    endReturn -o $? "Extract failed: $tempLocAddons"
+    endReturn "Extract failed: $tempLocAddons"
   else
     info "Found existing download: $tempExtractAddons"
   fi
@@ -135,7 +135,7 @@ step_22() {
 
   exe mv "$FR_LOC" "$tempBu"
   step backup "$tempBu"
-  endReturn -o $? "Backup failed; $FR_LOC renamed!"
+  endReturn "Backup failed; $FR_LOC renamed!"
   info "Installing version $latestVersion to $FR_LOC"
   exe systemctl stop friendica.service
   exe mv "$tempExtract" "$FR_LOC"
diff --git a/seqs/git.sh b/seqs/git.sh
index 171fbf1..4107b10 100755
--- a/seqs/git.sh
+++ b/seqs/git.sh
@@ -1,34 +1,5 @@
 #!/bin/bash
 
-toolName=git
-
-# Get script working directory
-# (when called from a different directory and even when called via symlink)
-WDIR="$(cd "$(dirname -- "$(realpath ${BASH_SOURCE[0]})")" >>/dev/null 2>&1 && pwd)"
-APTOPT=
-CONFIG=0
-SCRIPT_FILE=$(basename -- $0)
-SCRIPT_NAME=${SCRIPT_FILE%%.*}
-CONFIG_FILE_NAME="${SCRIPT_NAME}.cfg"
-CONFIG_FILE_TEMPLATE="$WDIR/${CONFIG_FILE_NAME}.example"
-
-seq_config() {
-  ## or to use sequencer api with global config file:
-  #initSeqConfig "$CONFIG_FILE_NAME" "$CONFIG_FILE_TEMPLATE"
-  #if [ $? -eq 0 ] ; then
-  #  CONFIG=1
-  #else
-  #  # End if no configuration file exists
-  #  dry || return -1
-  #fi
-
-  ## Apt cmdline option to suppress user interaction
-  quiet && APTOPT="-y"
-
-  ## Return of non zero value will abort the sequence
-  return 0
-}
-
 step_1_info() { echo "Setup global git aliases"; }
 step_1_alias() { echo "alias"; }
 step_1() {
@@ -48,5 +19,7 @@ step_1() {
   exe git config --global alias.ll 'log'
 }
 
+# shellcheck disable=SC2034 # Appears unused
 readonly sqr_minVersion=16
+# shellcheck disable=SC1091 # Don't follow this source
 . /usr/local/bin/sequencer.sh
diff --git a/seqs/gitea.sh b/seqs/gitea.sh
index 1870dc8..4998352 100755
--- a/seqs/gitea.sh
+++ b/seqs/gitea.sh
@@ -29,7 +29,7 @@ seq_config() {
   fi
   [ ! -z "$(command -v gitea)" ] && versionNow=$(gitea --version | sed 's/.*version \([0-9.]\+\).*/\1/')
 
-  checkArchitecture 
+  checkArchitecture
   giteaIniLoc="${SEQ_GITEA_CONF_DIR}/app.ini"
 
   info    "Gitea work:    $SEQ_GITEA_WORK_DIR"
@@ -61,7 +61,7 @@ step_1() {
 }
 
 step_2_info() {
-  checkArchitecture 
+  checkArchitecture
   echo "Downloading $toolName to user home from:"
   echoinfo "$giteaDownload"
 }
@@ -92,7 +92,7 @@ step_4() {
   exe install -g $SEQ_GITEA_USER -m 770 -d "$giteaLogDir"
   info -n "Copying gitea to global location and making it executable..."
   exe install -b -m 755 -T "$giteaDownFile" "$SEQ_GITEA_BIN_LOC" && info -d "ok"
-  endReturn -o $? "Failed to install $SEQ_GITEA_BIN_LOC"
+  endReturn "Failed to install $SEQ_GITEA_BIN_LOC"
 }
 
 step_5_info() { echo "Creating systemd service"; }
@@ -143,10 +143,10 @@ step_10() {
   exe "${seq_origin}/mysql.sh" -qq createdb --charset utf8mb4
 }
 
-step_12_info() { 
-  if [ ! -z "$versionNow" ] ; then 
+step_12_info() {
+  if [ ! -z "$versionNow" ] ; then
     if [ "$giteaVersion" == "$versionNow" ] ; then
-      echo "No upgrade available. Already on latest: $versionNow" 
+      echo "No upgrade available. Already on latest: $versionNow"
     else
       echo "Download new version $giteaVersion to /usr/local/bin"
       echoinfo " - installed version: $versionNow -"
@@ -159,7 +159,7 @@ step_12_alias() { echo "upgrade"; }
 step_12() {
   endIfEmpty versionNow "Please install $toolName first"
   exe wget -O "$giteaDownFile" $giteaDownload
-  endReturn -o $? "Download failed"
+  endReturn "Download failed"
 
   if [ -f "$SEQ_GITEA_BIN_LOC" ] ; then
     local toolBackup="${SEQ_GITEA_BACKUP_DIR}/gitea_${versionNow}"
@@ -167,10 +167,10 @@ step_12() {
     saveReturn $?
     endReturn
     sqr::echo -n "Backing up existing executable to ${toolBackup}..."
-    exe cp -ar "$SEQ_GITEA_BIN_LOC" "$toolBackup" && sqr::echo "ok" || sqr::echo "nok" 
+    exe cp -ar "$SEQ_GITEA_BIN_LOC" "$toolBackup" && sqr::echo "ok" || sqr::echo "nok"
   fi
   exe install --backup=none -m 755 -T "$giteaDownFile" "$SEQ_GITEA_BIN_LOC"
-  endReturn -o $? "Upgrade failed"
+  endReturn "Upgrade failed"
   exe service gitea start
 }
 
diff --git a/seqs/grocy.sh b/seqs/grocy.sh
index 8928656..4b266ea 100755
--- a/seqs/grocy.sh
+++ b/seqs/grocy.sh
@@ -95,7 +95,7 @@ step_22() {
     fi
   fi
   exe wget ${downUrl} -q -O "${sq_grocyDownLoc}"
-  endReturn -o $? "Download failed"
+  endReturn "Download failed"
   if [ -e "${sc_grocyDir}" ] ; then
     step backup
     exe rm -rf "${sc_grocyDir}/${sc_grocyViewcache}"
diff --git a/seqs/jitsi.sh b/seqs/jitsi.sh
index 1a997ca..8e48e50 100755
--- a/seqs/jitsi.sh
+++ b/seqs/jitsi.sh
@@ -2,24 +2,6 @@
 
 toolName="jitsi-meet"
 
-# Get script working directory
-# (when called from a different directory)
-WDIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" >>/dev/null 2>&1 && pwd )"
-#CONFIG=0
-#CONFIG_FILE_NAME="${toolName}.cfg"
-#CONFIG_FILE_TEMPLATE="$WDIR/${CONFIG_FILE_NAME}.example"
-
-#step_config() {
-#echo "Called once before executing steps."
-## e.g. to source a config file manually:
-#. "$CONFIG_FILE"
-## or to use sequencer api:
-#initSeqConfig "$CONFIG_FILE_NAME" "$CONFIG_FILE_TEMPLATE"
-#if [ $? -eq 0 ] ; then
-#  CONFIG=1
-#fi
-#}
-
 step_1_info() { echo "Installation of prerequisits"; }
 step_1_alias() { echo "prepare"; }
 step_1() {
@@ -50,7 +32,7 @@ step_5_info() { echo "Install nginx webserver"; }
 step_5_alias() { echo "webserver"; }
 step_5() {
   exe apt install nginx
-  endReturn -o $? "Installation of webserver nginx failed"
+  endReturn "Installation of webserver nginx failed"
   exe mkdir -p /etc/nginx/sites-available
   exe mkdir -p /etc/nginx/sites-enabled
   exe mkdir -p /etc/nginx/modules-enabled
@@ -61,12 +43,12 @@ step_6_info() { echo "Install ufw firewall"; }
 step_6_alias() { echo "firewall"; }
 step_6() {
   exe apt install ufw
-  endReturn -o $? "Installation of firewall ufw failed"
+  endReturn "Installation of firewall ufw failed"
 }
 
 step_7_info() { echo "Setup ufw firewall to run $toolName"; }
 step_7() {
-  echo " [I] Configure ufw firewall"
+  info "Configure ufw firewall"
   exe ufw allow 22/tcp
   exe ufw allow 80/tcp
   exe ufw allow 443/tcp
@@ -87,57 +69,61 @@ step_9() {
   exe mv /etc/nginx/sites-available/*.conf /etc/nginx/conf.d
   exe mv /etc/nginx/conf.d/default.conf /etc/nginx/sites-available
   exe service nginx restart
-  echo " [I] Check /etc/nginx/conf.d for unwanted configurations"
+  info "Check /etc/nginx/conf.d for unwanted configurations"
 }
 
 step_10_info() { echo "WIP post-install tasks"; }
 step_10() {
-  echo " [I] Tasks to be automated"
-  echo
-  echo "  *  Make jitsi installation password protected"
-  echo "     (https://github.com/jitsi/jicofo#secure-domain)"
-  echo "     Creating new rooms will require username and password"
-  echo
-  echo "  ** /etc/prosody/conf.avail/[your-hostname].cfg.lua"
-  echo 
-  echo "     a) Enable authentication on your main domain:"
-  echo
-  echo "        VirtualHost \"jitsi-meet.example.com\""
-  echo "            authentication = \"internal_plain\""
-  echo
-  echo "     b) Add new virtual host with anonymous login method for guests:"
-  echo
-  echo "        VirtualHost \"guest.jitsi-meet.example.com\""
-  echo "            authentication = \"anonymous\""
-  echo "            c2s_require_encryption = false"
-  echo
-  echo "  ** /etc/jitsi/meet/[your-hostname]-config.js"
-  echo
-  echo "        var config = {"
-  echo "            hosts: {"
-  echo "                    domain: 'jitsi-meet.example.com',"
-  echo "                    anonymousdomain: 'guest.jitsi-meet.example.com',"
-  echo "                    ..."
-  echo "                   },"
-  echo "                   ..."
-  echo "        }"
-  echo
-  echo "  ** /etc/jitsi/jicofo/sip-communicator.properties"
-  echo "     add new line:"
-  echo
-  echo "        org.jitsi.jicofo.auth.URL=XMPP:jitsi-meet.example.com"
-  echo
-  echo "  ** Create prosody user(s):"
-  echo
-  echo "        prosodyctl register <username> jitsi-meet.example.com <password>"
-  echo
-  echo " [I] Use step \"restart\" after these changes"
+  color green
+  cat << WIP_END
+# Tasks to be automated
+
+ *  Make jitsi installation password protected
+    (https://github.com/jitsi/jicofo#secure-domain)
+    Creating new rooms will require username and password
+
+ ** /etc/prosody/conf.avail/[your-hostname].cfg.lua
+
+    a) Enable authentication on your main domain:
+
+       VirtualHost "jitsi-meet.example.com"
+           authentication = "internal_plain"
+
+    b) Add new virtual host with anonymous login method for guests:
+
+       VirtualHost "guest.jitsi-meet.example.com"
+           authentication = "anonymous"
+           c2s_require_encryption = false
+
+ ** /etc/jitsi/meet/[your-hostname]-config.js
+
+       var config = {
+           hosts: {
+                   domain: 'jitsi-meet.example.com',
+                   anonymousdomain: 'guest.jitsi-meet.example.com',
+                   ...
+                  },
+                  ...
+       }
+
+ ** /etc/jitsi/jicofo/sip-communicator.properties
+    add new line:
+
+       org.jitsi.jicofo.auth.URL=XMPP:jitsi-meet.example.com
+
+ ** Create prosody user(s):
+
+       prosodyctl register <username> jitsi-meet.example.com <password>
+
+WIP_END
+  color none
+  info "Use step \"restart\" after these changes"
 }
 
 step_20_info() { echo "Restart all $toolName components"; }
 step_20_alias() { echo "restart"; }
 step_20() {
-  echo " [I] Restart jitsi-meet components"
+  info "Restart jitsi-meet components"
   exep "service prosody restart&& service jicofo restart && service jitsi-videobridge2 restart"
 }
 
diff --git a/seqs/kodi.sh b/seqs/kodi.sh
index 7350ba9..03899d9 100755
--- a/seqs/kodi.sh
+++ b/seqs/kodi.sh
@@ -71,7 +71,7 @@ After = systemd-user-sessions.service network.target sound.target
 # Wants = mysql.service
 
 [Service]
-User = ${toolUser} 
+User = ${toolUser}
 Group = ${toolUser}
 Type = simple
 ExecStart = /usr/bin/kodi-standalone
@@ -80,7 +80,7 @@ Restart = always
 RestartSec = 15
 
 [Install]
-WantedBy = multi-user.target" 
+WantedBy = multi-user.target"
 
 step_5_info() { echo "Enable text input for USB keyboards within $toolName"; }
 step_5() {
@@ -107,7 +107,7 @@ bootConfigLoc="/boot/config.txt"
 bootConfig="
 # Modifications for $toolName
 start_x=1
-gpu_mem=320" 
+gpu_mem=320"
 
 step_7_info() { echo "Reboot is needed for all changes to take effect"; }
 step_7() {
@@ -192,7 +192,7 @@ step_40() {
     info "$i"
   done
   interactive && read -r -p "Are you sure? (y)/[n] " answer
-  case "$answer" in 
+  case "$answer" in
     y|Y)
       exe rm "${musicDb[@]}";;
     *)
diff --git a/seqs/ldap.sh b/seqs/ldap.sh
index d03bb27..778e6d5 100755
--- a/seqs/ldap.sh
+++ b/seqs/ldap.sh
@@ -12,7 +12,7 @@ seq_config() {
     # End if no configuration file exists
     dry || return 1
   fi
-  
+
   ## Apt cmdline option to suppress user interaction
   interactive || sq_aptOpt="-y"
 
@@ -98,11 +98,11 @@ objectClass: organizationalUnit
 step_8_info() { echo "Setup SSL secured ldaps:// access"; }
 step_8() {
   sudo -u $toolUser test -r "$LDAP_CERT_KEY" >>/dev/null 2>&1
-  endReturn -o $? "$toolUser cannot access certificate key file: $LDAP_CERT_KEY"
+  endReturn "$toolUser cannot access certificate key file: $LDAP_CERT_KEY"
   sudo -u $toolUser test -r "$LDAP_CERT" >>/dev/null 2>&1
-  endReturn -o $? "$toolUser cannot access certificate file: $LDAP_CERT"
+  endReturn "$toolUser cannot access certificate file: $LDAP_CERT"
   sudo -u $toolUser test -r "$LDAP_CERT_CA" >>/dev/null 2>&1
-  endReturn -o $? "$toolUser cannot access CA certificate file: $LDAP_CERT_CA"
+  endReturn "$toolUser cannot access CA certificate file: $LDAP_CERT_CA"
 
   local tempLdif=`eval "echo \"$sslSetup\""`
   exep "echo \"$tempLdif\" | ldapmodify -Y EXTERNAL -H ldapi:///"
@@ -208,10 +208,10 @@ step_102() {
   fi
 
   variable2Ldif add "$addUser"
-  endReturn -o $? "Adding user failed"
+  endReturn "Adding user failed"
 }
 userId=
-addUser="dn: uid=\$userId,\$LDAP_OU_USERS,\$LDAP_DC 
+addUser="dn: uid=\$userId,\$LDAP_OU_USERS,\$LDAP_DC
 cn: \$userCn
 givenName: \$givenName
 sn: \$userSn
@@ -235,10 +235,10 @@ step_103_alias() { echo "passwd"; }
 step_103() {
   shift
   if [ -n "${1:-}" ] ; then
-    echo " [I] Password operation for $1" 
+    info "Password operation for $1"
     userId="$1"
   elif [ ! -z $userId ] ; then
-    echo " [I] Password operation for $userId" 
+    info "Password operation for $userId"
   else
     error -e "No user id provided"
     return 1
@@ -253,9 +253,9 @@ step_105() {
   shift
   if [ -n "${1:-}" ] ; then
     userId="$1"
-    echo " [I] User operation for $userId" 
+    info "User operation for $userId"
   elif [ ! -z $userId ] ; then
-    echo " [I] User operation for $userId" 
+    info "User operation for $userId"
   else
     error -e "No user id provided"
     return 1
@@ -268,7 +268,7 @@ step_105() {
 
   variable2Ldif modify "$removeFromgroup"
   variable2Ldif modify "$add2group"
-  endReturn -o $? "Adding user to group failed"
+  endReturn "Adding user to group failed"
 }
 #remove empty member
 add2group="dn: cn=\$groupName,\$LDAP_OU_GROUPS,\$LDAP_DC
@@ -289,9 +289,9 @@ step_107() {
   shift
   if [ -n "${1:-}" ] ; then
     userId="$1"
-    echo " [I] User operation for $userId" 
+    info "User operation for $userId"
   elif [ ! -z $userId ] ; then
-    echo " [I] User operation for $userId" 
+    info "User operation for $userId"
   else
     error -e "No user id provided"
     return 1
@@ -354,7 +354,7 @@ step_200_options() { echo "<ADDITONAL ATTRIBUTES...>"; }
 step_200_alias() { echo "listgroups"; }
 step_200() {
   shift
-  echo " [I] Available groups:"
+  info "Available groups:"
   exe ldapsearch -x -LLL -H ldap:/// -b ${LDAP_OU_GROUPS},${LDAP_DC} dn gidNumber $*
 }
 
@@ -363,7 +363,7 @@ step_200_options() { echo "<ADDITONAL ATTRIBUTES...>"; }
 step_202_alias() { echo "listusers"; }
 step_202() {
   shift
-  echo " [I] Available user:"
+  info "Available user:"
   exe ldapsearch -x -LLL -H ldap:/// -b ${LDAP_OU_USERS},${LDAP_DC} dn uidNumber gidNumber $*
 }
 
diff --git a/seqs/librenms.sh b/seqs/librenms.sh
index d9de9c0..c538fe5 100755
--- a/seqs/librenms.sh
+++ b/seqs/librenms.sh
@@ -20,7 +20,7 @@ seq_config() {
   else
     dry || return 1
   fi
-  
+
   return 0
 }
 
@@ -30,13 +30,13 @@ step_1() {
   exe apt update
 }
 
-step_2_info() { 
+step_2_info() {
   echo "Installing $toolName dependencies:"
   echoinfo "$libreDeps"
 }
 step_2() {
   exe apt install $libreDeps ${sq_aptOpt}
-  endReturn -o $? "Failed to install $toolName dependencies"
+  endReturn "Failed to install $toolName dependencies"
 }
 
 step_3_info() {
@@ -47,7 +47,7 @@ step_3_info() {
 step_3() {
   fetchPhpVersion
   exe apt install "${librePhpDeps[@]/#/php${phpVersion}-}" ${sq_aptOpt}
-  endReturn -o $? "Failed to install $toolName php dependencies"
+  endReturn "Failed to install $toolName php dependencies"
 }
 
 step_4_info() { echo "Adding $toolName user ($toolUser)"; }
@@ -67,7 +67,7 @@ step_5() {
 step_6_info() { echo "Installing $toolName using composer"; }
 step_6() {
   exe sudo -u librenms "${LNMS_DIR}/scripts/composer_wrapper.php" install --no-dev
-  endReturn -o $? "Failed to install php dependencies"
+  endReturn "Failed to install php dependencies"
 }
 
 step_10_info() { echo "Create mysql database for $toolName"; }
@@ -77,7 +77,7 @@ step_10() {
     libreDbOpt="-d $LNMS_DB_NAME"
   fi
   exe "${seq_origin}"/mysql.sh ${sqr_args} createdb --charset utf8 "$libreDbOpt"
-  endReturn -o $? "Failed to create mysql database $LNMS_DB_NAME"
+  endReturn "Failed to create mysql database $LNMS_DB_NAME"
 }
 
 step_11_info() { echo "MariaDB configuration"; }
@@ -256,12 +256,12 @@ step_42() {
   exe setfacl -R -m g::rwx "${LNMS_DIR}/rrd" "${LNMS_DIR}/logs" "${LNMS_DIR}/bootstrap/cache/" "${LNMS_DIR}/storage/"
 }
 
-fetchPhpVersion() { 
-  if [ -n "${phpVersion}" ] ; then 
-    return 0 
-  fi 
+fetchPhpVersion() {
+  if [ -n "${phpVersion}" ] ; then
+    return 0
+  fi
 
-  phpVersion="$(php -r 'echo PHP_MAJOR_VERSION.".".PHP_MINOR_VERSION;')" 
+  phpVersion="$(php -r 'echo PHP_MAJOR_VERSION.".".PHP_MINOR_VERSION;')"
 }
 
 # shellcheck disable=SC2034 # Appears unused
diff --git a/seqs/mailserver.sh b/seqs/mailserver.sh
index faf943c..874c710 100755
--- a/seqs/mailserver.sh
+++ b/seqs/mailserver.sh
@@ -30,7 +30,7 @@ seq_config() {
   else
     dry || return 1
   fi
-  
+
   ## Apt cmdline option to suppress user interaction
   interactive || sq_aptOpt="-y"
 
@@ -195,7 +195,7 @@ step_9() {
 MDA_EOF
 }
 
-step_20_info() { 
+step_20_info() {
   echo "Install postfixadmin and create mysql database"
   echoinfo "Virtualize mailboxes, domains and aliases by using a mysql database"
 }
@@ -236,7 +236,7 @@ step_22() {
   exe postconf -e "virtual_alias_maps = proxy:mysql:/etc/postfix/sql/mysql_virtual_alias_maps.cf, proxy:mysql:/etc/postfix/sql/mysql_virtual_alias_domain_maps.cf, proxy:mysql:/etc/postfix/sql/mysql_virtual_alias_domain_catchall_maps.cf"
   exe postconf -e "virtual_transport = lmtp:unix:private/dovecot-lmtp"
 
-  # Apex domain removed, it is handled as virtual domain now 
+  # Apex domain removed, it is handled as virtual domain now
   exe postconf -e "mydestination = \$myhostname, localhost.\$mydomain, localhost"
   # Base location for the virtual maildirs
   exe postconf -e "virtual_mailbox_base = $MAS_VIRTUAL_FOLDER_BASE"
@@ -342,7 +342,7 @@ step_50() {
 }
 saslPassFile="$mtaConfLoc/sasl_password"
 
-step_52_info() { 
+step_52_info() {
   echo "Grant access for specific (local) hostnames"
   echoinfo "Workaround when local clients connect to 25 with different ips (v6)"
 }
@@ -361,7 +361,7 @@ step_52() {
 }
 mtaClientAccessLoc="$mtaConfLoc/client_access"
 
-step_54_info() { 
+step_54_info() {
   echo "Deny recipient access for listed mail addresses"
 }
 step_54_alias() { echo "recipient_access"; }
@@ -402,7 +402,7 @@ step_56() {
 }
 mtaSenderRelayLoc="$mtaConfLoc/sender_relay"
 
-step_100_info() { 
+step_100_info() {
   echo "Send testmail [-u SYSTEMUSER | -f FROM] [TO]"
   echoinfo "Send as current user to postmaster@\$MAS_DOMAIN by default"
 }
diff --git a/seqs/matrix-commander.sh b/seqs/matrix-commander.sh
index 7b20899..9149291 100755
--- a/seqs/matrix-commander.sh
+++ b/seqs/matrix-commander.sh
@@ -1,29 +1,17 @@
 #!/bin/bash
 
-toolName=matrix-commander
-toolCloneUrl='https://github.com/8go/matrix-commander.git'
-toolDeps="python3-pip python3-venv libolm-dev"
+readonly toolName=matrix-commander
+readonly toolCloneUrl='https://github.com/8go/matrix-commander.git'
+readonly toolDeps="python3-pip python3-venv libolm-dev"
 
 toolCredentialDir=
 toolEncStoreDir=
 
-# Get script working directory
-# (when called from a different directory)
-WDIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" >>/dev/null 2>&1 && pwd)"
-APTOPT=
-CONFIG=0
-SCRIPT_FILE=$(basename -- $0)
-SCRIPT_NAME=${SCRIPT_FILE%%.*}
-CONFIG_FILE_NAME="${SCRIPT_NAME}.cfg"
-CONFIG_FILE_TEMPLATE="$WDIR/${CONFIG_FILE_NAME}.example"
+sq_aptOpt=
 
 seq_config() {
   ## or to use sequencer api with global config file:
-  initSeqConfig "$CONFIG_FILE_NAME" "$CONFIG_FILE_TEMPLATE"
-
-  if [ $? -eq 0 ] ; then
-    CONFIG=1
-  else
+  if ! initSeqConfig "${seq_configName:?}" "${seq_configTemplate:?}" ; then
     # End if no configuration file exists
     dry || return -1
   fi
@@ -32,7 +20,7 @@ seq_config() {
   toolEncStoreDir="$MACO_BASE_DIR/.local/share/matrix-commander"
 
   ## Apt cmdline option to suppress user interaction
-  quiet && APTOPT="-y"
+  quiet && sq_aptOpt="-y"
 
   ## Return of non zero value will abort the sequence
   return 0
@@ -45,7 +33,7 @@ step_1() {
   exe "$MACO_BASE_DIR/bin/python3" "$MACO_DIR/matrix_commander/matrix_commander.py" "$@"
 }
 
-step_3_info() { 
+step_3_info() {
   echo "Send message"
   echoinfo "Each string ([MESSAGE]) is send as separate message"
 }
@@ -53,13 +41,13 @@ step_3_options() { echo "[MESSAGE] [MESSAGE] ..."; }
 step_3_alias() { echo "message"; }
 step_3() {
   shift
-  step run -m "$@" 
+  step run -m "$@"
 }
 
 step_50_info() { echo "Install $toolName dependencies"; }
 step_50_alias() { echo "install"; }
 step_50() {
-  apt install $toolDeps $APTOPT
+  apt install $toolDeps $sq_aptOpt
 }
 
 step_51_info() { echo "Add system user ${MACO_USER:-}"; }
@@ -75,7 +63,7 @@ step_52() {
   [ -e "$MACO_BASE_DIR" ] && endReturn -o 1 "$toolName already installed"
 
   exe python3 -m venv "$MACO_BASE_DIR"
-  endReturn -o $? "Creating virtual environment failed"
+  endReturn "Creating virtual environment failed"
 
   exe git clone $toolCloneUrl "$MACO_DIR"
   exe chown -R $MACO_USER: "$MACO_BASE_DIR"
@@ -95,7 +83,7 @@ NOTES_END
   exe sudo -u $MACO_USER ${MACO_BASE_DIR}/bin/pip install -r ${MACO_DIR}/requirements.txt
 }
 
-step_55_info() { 
+step_55_info() {
   echo "Create systemd service for $toolName"
   echoinfo "(Make sure to modify the service content in the step configuration)"
 }
@@ -114,7 +102,7 @@ step_57() {
   step run
   [ -e ./store ] && exe mv store "$toolEncStoreDir"
 
-  info "use \"$SEQ_NAME run --verify\" to verify against an existing session (like Element)" 
+  info "use \"$SEQ_NAME run --verify\" to verify against an existing session (like Element)"
 }
 
 step_60_alias() { echo "notes"; }
@@ -124,7 +112,7 @@ step_60() {
 # Verify matrix-commander "device"
 
 For emoji verification to work, the matrix-commander user needs to be at least in one room.
-Enter the room on Element and goto 
+Enter the room on Element and goto
 
 * Room Info -> People -> select matrix commander user -> Security -> sessions -> matrix-commander session
 * verify with emojis
@@ -134,11 +122,13 @@ Enter the room on Element and goto
 matrix-commander expects the following files to be in place for the user to be able to
 send/receive messages
 
-credentials.json - $MACO_BASE_DIR/.config/matrix-commander/credentials.json 
+credentials.json - $MACO_BASE_DIR/.config/matrix-commander/credentials.json
            store - $MACO_BASE_DIR/.local/share/matrix-commander/store
 
 NOTES_EOF
 }
 
+# shellcheck disable=SC2034 # Appears unused
 readonly sqr_minVersion=16
+# shellcheck disable=SC1091 # Don't follow this source
 . /usr/local/bin/sequencer.sh
diff --git a/seqs/matrix.sh b/seqs/matrix.sh
index c1d7c7a..052aa95 100755
--- a/seqs/matrix.sh
+++ b/seqs/matrix.sh
@@ -59,7 +59,7 @@ step_1_info() { echo "Installing $toolName dependencies"; }
 step_1_alias() { echo "install"; }
 step_1() {
   exe apt update
-  endReturn -o $? "Updating apt repositories failed"
+  endReturn "Updating apt repositories failed"
 
   if [ "$osName" != "Raspbian" ] ; then
     toolDepsRaspi=""
@@ -72,7 +72,7 @@ step_2_alias() { echo "createdb"; }
 step_2() {
   readDatabaseInfos
 
-  exe cd ~postgres 
+  exe cd ~postgres
   exe su -c "psql -c \"CREATE USER ${postgresUser} WITH ENCRYPTED password '${postgresPass}';\"" - postgres
   exe su -c "psql -c \"CREATE DATABASE ${postgresDb} ENCODING \"UTF8\" LC_COLLATE='C' LC_CTYPE='C' template=template0 OWNER ${postgresUser};\"" - postgres
   exe su -c "psql -c \"GRANT ALL PRIVILEGES ON DATABASE \"${postgresDb}\" to ${postgresUser};\"" - postgres
@@ -151,7 +151,7 @@ SyslogIdentifier=synapse
 [Install]
 WantedBy=multi-user.target"
 
-step_10_info() { 
+step_10_info() {
   echo -n "Upgrade $toolName installation"
   if ! contextHelp ; then
     echo " at $MATRIX_HOME"
@@ -188,7 +188,7 @@ step_12() {
   exe service ${toolServiceName} restart
 }
 
-step_14_info() { 
+step_14_info() {
   echo "Show $toolName version"
 }
 step_14_options() { echo "[IP]:8008"; }
@@ -212,7 +212,7 @@ step_16_options() { echo "[OPTION] [IP]:8008"; }
 step_16_alias() { echo "listuser"; }
 step_16() {
   adminTokenCheck
-  endReturn -o $? "Admin token needed. Check $seq_configFile"
+  endReturn "Admin token needed. Check $seq_configFile"
 
   shift
   local synapseIP=localhost
@@ -242,7 +242,7 @@ step_18() {
   exe /opt/synapse/venv/bin/register_new_matrix_user -c "$MATRIX_HOME/homeserver.yaml" $toolUrlLocal
 }
 
-step_20_info() { 
+step_20_info() {
   shift
   echo -n "Reset user password"
   contextExe && echoinfo " for ${1:-}" || echo
@@ -270,7 +270,7 @@ step_20() {
   exep "echo \"$string\" | su postgres -c 'psql -d synapse -f -'"
 }
 
-step_22_info() { 
+step_22_info() {
   echo "List all rooms"
   echoinfo "[OPTION]"
   echoinfo " -r : Raw json output"
@@ -279,7 +279,7 @@ step_22_options() { echo "[OPTION] [IP]:8008"; }
 step_22_alias() { echo "listrooms"; }
 step_22() {
   adminTokenCheck
-  endReturn -o $? "Admin token needed. Check $seq_configFile"
+  endReturn "Admin token needed. Check $seq_configFile"
 
   shift
   local arg
@@ -304,7 +304,7 @@ step_22() {
   exep "curl -sS --header \"Authorization: Bearer $MATRIX_ACCESS\" \"$apiCall\" | python -m json.tool $grepOut"
 }
 
-step_24_info() { 
+step_24_info() {
   echo "List all room members"
   echoinfo "[OPTION]"
   echoinfo " -r : Raw json output"
@@ -313,7 +313,7 @@ step_24_options() { echo "[OPTION] [ROOM ID] [IP]:8008"; }
 step_24_alias() { echo "listmember"; }
 step_24() {
   adminTokenCheck
-  endReturn -o $? "Admin token needed. Check $seq_configFile"
+  endReturn "Admin token needed. Check $seq_configFile"
 
   shift
   local roomId=""
@@ -343,7 +343,7 @@ step_24() {
   exep "curl -sS --header \"Authorization: Bearer $MATRIX_ACCESS\" \"$apiCall\" | python -m json.tool $grepOut"
 }
 
-step_26_info() { 
+step_26_info() {
   echo "Delete rooms without local users"
   echoinfo " [IP] : default is localhost"
 }
@@ -351,7 +351,7 @@ step_26_options() { echo "[IP]:8008"; }
 step_26_alias() { echo "purge"; }
 step_26() {
   adminTokenCheck
-  endReturn -o $? "Admin token needed. Check $seq_configFile"
+  endReturn "Admin token needed. Check $seq_configFile"
 
   shift
   local i
@@ -378,7 +378,7 @@ step_28_options() { echo "<ROOM ID> [IP]:8008"; }
 step_28_alias() { echo "deleteroom"; }
 step_28() {
   adminTokenCheck
-  endReturn -o $? "Admin token needed. Check $seq_configFile"
+  endReturn "Admin token needed. Check $seq_configFile"
 
   shift
   local roomId=""
@@ -393,7 +393,7 @@ step_28() {
 
   [ -n "${1:-}" ] && synapseIP="$1"
 
-  echo " [I] Deleting room with ID: $roomId"
+  info "Deleting room with ID: $roomId"
 
   local apiCall="http://${synapseIP}:8008/_synapse/admin/v2/rooms/$roomId"
   exep "curl -sS --header \"Authorization: Bearer $MATRIX_ACCESS\" \
@@ -437,11 +437,11 @@ step_30() {
     postgresDb="$1"
   fi
 
-  echo " [I] Stopping ${toolServiceName}"
+  info "Stopping ${toolServiceName}"
   exe service ${toolServiceName} stop
-  endReturn -o $? "Couldn't stop ${toolServiceName}. Stopping debloat."
+  endReturn "Couldn't stop ${toolServiceName}. Stopping debloat."
 
-  exe cd ~postgres 
+  exe cd ~postgres
   exe su -c "psql -d ${postgresDb} -c \"REINDEX${pgVerboseReId}DATABASE ${postgresDb};\"" - postgres
   exe su -c "psql -c \"VACUUM FULL${pgVerboseVac};\"" - postgres
 
@@ -454,7 +454,7 @@ step_50_alias() { echo "dropdb"; }
 step_50() {
   readDatabaseInfos
 
-  exe cd ~postgres 
+  exe cd ~postgres
   exe su -c "psql -c \"DROP DATABASE ${postgresDb};\"" - postgres
 }
 
diff --git a/seqs/matterbridge.sh b/seqs/matterbridge.sh
index 525092d..e67e0c1 100755
--- a/seqs/matterbridge.sh
+++ b/seqs/matterbridge.sh
@@ -39,14 +39,14 @@ seq_config() {
   fi
 }
 
-step_1_info() { 
+step_1_info() {
   echo "Downloading $toolName version ${toolVersion} to ${toolLoc} from:"
   echoinfo "$toolDownload"
 }
 step_1_alias() { echo "install"; }
 step_1() {
   step upgrade
-  endReturn -o $? "Download failed"
+  endReturn "Download failed"
 }
 
 step_2_info() { echo "Create required directory structure"; }
@@ -65,13 +65,13 @@ step_3() {
 step_4_info() { echo "Creating systemd service"; }
 step_4() {
   addConf -s "$toolService" "$toolServiceLoc"
-  endReturn -o $? "Creating service failed"
+  endReturn "Creating service failed"
 }
 
 step_5_info() { echo "Enable $toolName service"; }
 step_5() {
   exe systemctl enable ${toolName}
-  echo " [I] Before proceeding to run ${toolName} you need to modify ${toolConfigLoc} first"
+  info "Before proceeding to run ${toolName} you need to modify ${toolConfigLoc} first"
   echo
 }
 
@@ -105,10 +105,10 @@ step_10() {
 }
 versionNow=$([ -n "$(command -v ${toolName})" ] && ${toolName} --version | sed 's/.*version: \([0-9.]\+\).*/\1/')
 
-step_12_info() { 
-  if [ -n "${versionNow}" ] ; then 
+step_12_info() {
+  if [ -n "${versionNow}" ] ; then
     if [ "$toolVersion" == "$versionNow" ] ; then
-      echo "No upgrade available. Already on latest: $versionNow" 
+      echo "No upgrade available. Already on latest: $versionNow"
     else
       echo "Download new version $toolVersion to $toolDir"
       echoinfo " - installed version: $versionNow -"
@@ -122,7 +122,7 @@ step_12_alias() { echo "upgrade"; }
 step_12() {
   step backup
   exe wget -O "$toolLoc" "${toolDownload}"
-  endReturn -o $? "Download failed"
+  endReturn "Download failed"
   exe chmod +x "$toolLoc"
   exe service ${toolName} restart >>/dev/null 2>&1
   return 0
@@ -151,14 +151,14 @@ step_30() {
   esac
   [[ "${goArch}" == "armhf" ]] && goArch="armv6l"
   local goDownUrl="https://go.dev/dl/${goVer}.linux-${goArch}.tar.gz"
-  
+
   # Download latest go
   if [ ! -e "${goDir}" ] ; then
     info "Download go${goVer}: ${goDownUrl}"
     exe wget -O "${goDownLoc}" "${goDownUrl}"
-    endReturn -o $? "Download ${goVer} failed"
+    endReturn "Download ${goVer} failed"
     exe tar -C "$(dirname -- "${goDir}")" -xzf "${goDownLoc}"
-    endReturn -o $? "Extraction ${goVer} failed"
+    endReturn "Extraction ${goVer} failed"
   fi
 }
 
diff --git a/seqs/mayan-edms.sh b/seqs/mayan-edms.sh
index 42747f4..72332c9 100755
--- a/seqs/mayan-edms.sh
+++ b/seqs/mayan-edms.sh
@@ -54,7 +54,7 @@ step_2() {
     graphviz libfuse2 libjpeg-dev libmagic1 libpq-dev libpng-dev libtiff-dev libldap2-dev libsasl2-dev \
     poppler-utils postgresql python3-dev python3-pip python3-venv python3-virtualenv \
     redis-server sane-utils supervisor tesseract-ocr tesseract-ocr-deu zlib1g-dev -y
-  endReturn -o $? "Binary dependencies installation failed"
+  endReturn "Binary dependencies installation failed"
 
   exe systemctl enable supervisor
   exe systemctl stop supervisor
@@ -65,7 +65,7 @@ step_3() {
   exe adduser --disabled-password --disabled-login --no-create-home --gecos "" mayan
   exe usermod -a -G users mayan
   exe python3 -m venv ${toolRoot}
-  endReturn -o $? "Creating virtual environment failed"
+  endReturn "Creating virtual environment failed"
   exe chown -R mayan:mayan ${toolRoot}
 }
 
@@ -74,7 +74,7 @@ step_4_alias() { echo "createdb"; }
 step_4() {
   readDatabaseInfos
 
-  exe cd ~postgres 
+  exe cd ~postgres
   exe sudo -u postgres psql -c "CREATE USER ${postgresUser} WITH password '${postgresPass}';"
   # -O owner : Specifies the database user who will own the new database.
   exe sudo -u postgres createdb -O ${postgresUser} ${postgresDb}
@@ -86,9 +86,9 @@ step_5() {
   step upgradepip
 
   exe sudo -u mayan ${toolRoot}/bin/pip install --no-cache-dir mayan-edms=="${toolVersion}"
-  endReturn -o $? "pip install for $toolName failed"
+  endReturn "pip install for $toolName failed"
   exe sudo -u mayan ${toolRoot}/bin/pip install --no-cache-dir psycopg2==2.8.4 redis==3.4.1
-  endReturn -o $?
+  endReturn
 }
 
 step_6_info() { echo "Supervisord configuration for $toolName"; }
@@ -133,10 +133,10 @@ step_10() {
   step upgradepip
   exe curl -o "$uninstallRemovalsLoc" https://gitlab.com/mayan-edms/mayan-edms/raw/master/removals.txt
   exe sudo -u mayan ${toolRoot}/bin/pip uninstall -r "$uninstallRemovalsLoc"
-  endReturn -o $?
+  endReturn
   exe systemctl stop supervisor
   exe sudo -u mayan ${toolRoot}/bin/pip install --no-cache-dir mayan-edms=="${toolVersion}"
-  endReturn -o $?
+  endReturn
   toolScript performupgrade
   #toolScript preparestatic --noinput # only < 3.4
   case "${1:-}" in
@@ -158,7 +158,7 @@ step_13() {
     if dry; then
       echo " dryrun"
     else
-      read command 
+      read command
     fi
   else
     command="$@"
@@ -178,7 +178,7 @@ step_20_alias() { echo "backupdb"; }
 step_20() {
   local DELYEAR=$(($(date +%Y)-2))
   if [ ! -s ~/.pgpass ] ; then
-    echo " [I] For unattended backup please define ~/.pgpass containing credentials for user mayan"
+    info "For unattended backup please define ~/.pgpass containing credentials for user mayan"
     echo "     e.g. localhost:5432:mayan:mayan:pass4mayan"
     echo "Backup custom pg format with standard user / database: mayan / mayan"
   fi
@@ -191,7 +191,7 @@ toolDbBackupFolder=${toolMediaFolder}/backupdb
 step_22_info() { echo "Postgres database restore"; }
 step_22_alias() { echo "restoredb"; }
 step_22() {
-  echo " [I] Postgres database restore procedure"
+  info "Postgres database restore procedure"
   echo "1. Create a empty postgres database first (step 4)"
   echo "2. psql -h <host> -U <database user> -d <database name> -W -f <sql dump file>"
   echo "   e.g.  psql -h 127.0.0.1 -U mayan -d mayan -W -f 2018-06-07_18-10-56.sql"
diff --git a/seqs/motioneye.sh b/seqs/motioneye.sh
index 2b0f394..c75ddcd 100755
--- a/seqs/motioneye.sh
+++ b/seqs/motioneye.sh
@@ -39,7 +39,7 @@ seq_config() {
     SEQ_OSNAME="Ubuntu"
   fi
 
-  echo " [I] Detected OS: $SEQ_OSNAME $SEQ_DISTNAME"
+  info "Detected OS: $SEQ_OSNAME $SEQ_DISTNAME"
 }
 
 step_1_info() { echo "Install $toolName dependencies"; }
@@ -54,7 +54,7 @@ step_1() {
   fi
 
   exe apt update
-  endReturn -o $? "Updating apt repositories failed"
+  endReturn "Updating apt repositories failed"
 
   if quiet ; then
     aptOption="-y"
@@ -75,24 +75,24 @@ step_2() {
   fi
 
   if [ "$motionUrl" == "" ]; then
-    echo " [W] Unsupported OS"
+    warning "Unsupported OS"
     return 1
   fi
 
   exe wget -O "$motionDownload" $motionUrl
-  endReturn -o $? "Download motion failed"
+  endReturn "Download motion failed"
 }
 motionDownload="/tmp/motion.deb"
 
 step_3_info() { echo "Install downloaded motion version"; }
 step_3() {
   if [ ! -f "$motionDownload" ]; then
-    echo " [I] No downloaded motion found attempting download"
+    info "No downloaded motion found attempting download"
     step 2
   fi
 
   exe dpkg -i "$motionDownload"
-  endReturn -o $? "Installing motion failed"
+  endReturn "Installing motion failed"
 }
 
 step_4_info() { echo "Upgrade python pip"; }
@@ -100,13 +100,13 @@ step_4_alias() { echo "upgradepip"; }
 step_4()
 {
   exe pip install --upgrade pip
-  endReturn -o $? "Upgrading pip failed"
+  endReturn "Upgrading pip failed"
 }
 
 step_5_info() { echo "Install $toolName"; }
 step_5() {
   exe pip install motioneye
-  endReturn -o $? "Installing $toolName failed"
+  endReturn "Installing $toolName failed"
 }
 
 step_6_info() { echo "Prepare configuration directory $toolCfgDir"; }
@@ -129,7 +129,7 @@ motioneyeMediaDir="/var/lib/motioneye"
 step_8_info() { echo "Create $toolName service"; }
 step_8() {
   exe cp "$motioneyeServiceSource" "$motioneyeServiceTarget"
-  endReturn -o $? "Creating service failed"
+  endReturn "Creating service failed"
   exe systemctl daemon-reload
   exe systemctl enable motioneye
   exe systemctl start motioneye
@@ -142,7 +142,7 @@ step_20_alias() { echo "upgrade"; }
 step_20() {
   step "upgradepip"
   exe pip install motioneye --upgrade
-  endReturn -o $? "Upgrading $toolName failed"
+  endReturn "Upgrading $toolName failed"
   exe systemctl restart motioneye
 }
 
diff --git a/seqs/mysql.sh b/seqs/mysql.sh
index d88df4a..6e79c9c 100755
--- a/seqs/mysql.sh
+++ b/seqs/mysql.sh
@@ -31,7 +31,7 @@ step_6_alias() { echo install; }
 step_6() {
   exe apt update
   exe apt install $databasePackages
-  endReturn -o $? "Error instaling $databaseName"
+  endReturn "Error instaling $databaseName"
 }
 
 step_7_info() { echo "Secure ${databaseName} installation"; }
@@ -89,7 +89,7 @@ step_10() {
         shift 2 ;;
       --remote|-r)
         dbRemote="${2:-}"
-        shift 2 ;; 
+        shift 2 ;;
       *)
         break ;;
     esac
@@ -105,17 +105,17 @@ step_10() {
   esac
 
   if [ -z "$dbName" ] ; then
-    echo " [I] Existing mysql databases:"
+    info "Existing mysql databases:"
     exe mysql -u root -e 'SHOW DATABASES;'
 
     read -p "Enter database name: " dbName
   fi
   endIfEmpty dbName "database name"
   exe mysql -u root -e 'CREATE DATABASE '$dbName' '"$dbOption"';'
-  endReturn -o $? "Cannot create database $dbName"
+  endReturn "Cannot create database $dbName"
 }
 
-step_11_info() { 
+step_11_info() {
   echo "Create mysql user"
   echoinfo " [OPTIONS]"
   echoinfo "   --user, -u    : user name"
@@ -141,14 +141,14 @@ step_11() {
         shift 2 ;;
       --remote|-r)
         dbRemote="${2:-}"
-        shift 2 ;; 
+        shift 2 ;;
       *)
         break ;;
     esac
   done
 
   if [ -z "$dbUser" ] ; then
-    echo " [I] Existing mysql user:"
+    info "Existing mysql user:"
     exe mysql -u root -e 'SELECT User, Host FROM mysql.user;'
     read -p "Enter mysql user name: " dbUser
   fi
@@ -163,11 +163,11 @@ step_11() {
       info "Enter mysql password: ...skipped..."
     fi
     exe mysql -u root -e 'CREATE USER '"'"$dbUser"'"'@'"'"$dbRemote"'"' IDENTIFIED BY '"'"$dbPass"'"';'
-    endReturn -o $? "Error creating mysql user"
+    endReturn "Error creating mysql user"
   fi
 }
 
-step_12_info() { 
+step_12_info() {
   echo "Grant privileges"
   echoinfo " [OPTIONS]"
   echoinfo "   --database, -d  : 'database name'.*"
@@ -193,19 +193,19 @@ step_12() {
         shift 2 ;;
       --remote|-r)
         dbRemote="${2:-}"
-        shift 2 ;; 
+        shift 2 ;;
       *)
         break ;;
     esac
   done
 
   exe mysql -u root -e 'GRANT ALL PRIVILEGES ON '$dbName'.* TO '"'"$dbUser"'"'@'"'"$dbRemote"'"';'
-  endReturn -o $? "Error assigning privileges on database"
+  endReturn "Error assigning privileges on database"
 
   exe mysql -u root -e 'FLUSH PRIVILEGES;'
 }
 
-step_14_info() { 
+step_14_info() {
   echo "Revoke all granted privilegs"
   echoinfo " [OPTIONS]"
   echoinfo "   --user, -u    : user name"
@@ -224,14 +224,14 @@ step_14() {
         shift 2 ;;
       --remote|-r)
         dbRemote="${2:-}"
-        shift 2 ;; 
+        shift 2 ;;
       *)
         break ;;
     esac
   done
 
   exe mysql -u root -e 'REVOKE ALL, GRANT OPTION FROM '"'"$dbUser"'"'@'"'"$dbRemote"'"';'
-  endReturn -o $? "Error revoking privileges for user $dbUser"
+  endReturn "Error revoking privileges for user $dbUser"
 
   exe mysql -u root -e 'FLUSH PRIVILEGES;'
 }
@@ -250,7 +250,7 @@ step_32() {
   echo -e "\nDrop dbuser by: mysql -u root -e 'DROP USER dbuser@localhost;'"
 }
 
-step_34_info() { 
+step_34_info() {
   echo "Show privileges"
   echoinfo " [OPTIONS]"
   echoinfo "   --user, -u      : user name"
@@ -269,7 +269,7 @@ step_34() {
         shift 2 ;;
       --remote|-r)
         dbRemote="${2:-}"
-        shift 2 ;; 
+        shift 2 ;;
       *)
         break ;;
     esac
@@ -286,8 +286,8 @@ step_36() {
     echo "Please provide a database name. e.g. $0 sizedb mydb_db"
   else
     exe mysql -u root -e 'SELECT table_schema "DB Name",
-    ROUND(SUM(data_length + index_length) / 1024 / 1024, 1) "DB Size in MB" 
-    FROM information_schema.tables 
+    ROUND(SUM(data_length + index_length) / 1024 / 1024, 1) "DB Size in MB"
+    FROM information_schema.tables
     WHERE table_schema="'$2'"
     GROUP BY table_schema;'
   fi
@@ -311,9 +311,9 @@ step_50() {
     endReturn -o 1 -f "${2:-} does not exist"
   fi
 
-  echo " [I] Dumping database $dbName to $buTarget"
+  info "Dumping database $dbName to $buTarget"
   exep "mysqldump --single-transaction $dbName > \"$(realpath $buTarget)/${dbName}_backup_$(date +%Y%m%d-%H%M%S).sql\""
-  endReturn -o $? "Error creating $dbName backup"
+  endReturn "Error creating $dbName backup"
 }
 
 step_52_info() { echo "Restore a mysql database"; }
diff --git a/seqs/nextcloud.sh b/seqs/nextcloud.sh
index 48d2ecc..28fc56a 100755
--- a/seqs/nextcloud.sh
+++ b/seqs/nextcloud.sh
@@ -1,7 +1,7 @@
 #!/usr/bin/env bash
 
 # Dependency to other seqs
-# - mysql.sh (soft; Missing informational output) 
+# - mysql.sh (soft; Missing informational output)
 
 readonly toolName="nextcloud"
 localOcc=("echo" "occ not found!")
@@ -31,7 +31,7 @@ step_20() {
     return 1
   fi
   exe cd "$sc_ncInstallDir"
-  exe sudo -u www-data php "$ncInstaller" 
+  exe sudo -u www-data php "$ncInstaller"
 }
 ncInstaller="updater/updater.phar"
 
@@ -57,7 +57,7 @@ step_102() {
   if [ -z $1 ] ; then
     error -e "No database provided"
     if [ -f "${seq_origin}/mysql.sh" ] ; then
-      echo " [I] Available mysql databases:"
+      info "Available mysql databases:"
       "${seq_origin}/mysql.sh" -qq listdb
     fi
     return 1
@@ -73,7 +73,7 @@ step_102() {
   fi
 
   exe mysql -u root -D ${ncdb} -e 'delete FROM oc_bruteforce_attempts WHERE IP="'${ip}'";'
-  endReturn -o $? "Error deleting ip $ip"
+  endReturn "Error deleting ip $ip"
 }
 
 step_104_info() { echo "Reset and rescan the music library in the background for one user"; }
diff --git a/seqs/nginx.sh b/seqs/nginx.sh
index 2a1536d..1e2ad97 100755
--- a/seqs/nginx.sh
+++ b/seqs/nginx.sh
@@ -12,7 +12,7 @@ sq_aptOpt=
 seq_config() {
   ## Apt cmdline option to suppress user interaction
   interactive || sq_aptOpt="-y"
-  
+
   ## Return of non zero value will abort the sequence
   return 0
 }
@@ -55,7 +55,7 @@ step_10() {
   exe apt update
 }
 
-step_11_info() { 
+step_11_info() {
   echo "Installation of ${toolName} packages:"
   echoinfo "${sq_toolDeps}"
 }
@@ -63,7 +63,7 @@ step_11_alias() { echo "install"; }
 step_11() {
   exe apt update
   exe apt install ${sq_toolDeps} ${sq_aptOpt:-}
-  endReturn -o $? "Failed to install ${toolName}"
+  endReturn "Failed to install ${toolName}"
 }
 
 step_12_info() {
@@ -90,7 +90,7 @@ step_12() {
   info "Removing user nginx"
   exe deluser ${lQuiet} nginx || true # allowed to fail if non existent
 
-  if [[ ! -e "/var/www" ]] ; then 
+  if [[ ! -e "/var/www" ]] ; then
     info "Create default web server directory."
     exe mkdir "/var/www"
     exe chown www-data: "/var/www"
@@ -114,7 +114,7 @@ step_13() {
     exe apt install ${sq_toolDeps} ${sq_aptOpt:-}
   fi
 
-  # create webroot 
+  # create webroot
   exe mkdir -p "$siteLetsencryptWww"
 
   info -n "Restarting Nginx..."
@@ -136,7 +136,7 @@ siteDefaultLoc="/etc/nginx/conf.d/default"
 siteDefaultIp4="server {
 listen 80 default_server;
 
-include ${snippetLetsencryptLoc}; 
+include ${snippetLetsencryptLoc};
 }"
 
 step_20_info() { echo "Installation notes"; }
diff --git a/seqs/olivetin.sh b/seqs/olivetin.sh
index 10fea7b..09a97aa 100755
--- a/seqs/olivetin.sh
+++ b/seqs/olivetin.sh
@@ -63,9 +63,9 @@ downloadLatest() {
   if [ ! -e "$tempInstall" ] ; then
     exe mkdir -p "$tempDown"
     exe wget -O "$tempInstall" $downUrl
-    endReturn -o $? "Download failed: $downUrl"
+    endReturn "Download failed: $downUrl"
   else
-    echo " [I] Found existing download: $tempInstall"
+    info "Found existing download: $tempInstall"
   fi
 }
 tempDown="/tmp/olivetin"
diff --git a/seqs/onlyoffice.sh b/seqs/onlyoffice.sh
index 1355230..1f758a3 100755
--- a/seqs/onlyoffice.sh
+++ b/seqs/onlyoffice.sh
@@ -56,7 +56,7 @@ step_1_alias() { echo "install"; }
 step_1() {
   exe apt update
   exe apt install $dockerDeps $APTOPT
-  endReturn -o $? "Docker dependencies installation failed"
+  endReturn "Docker dependencies installation failed"
 }
 
 step_2_info() { echo "Install Docker repository"; }
@@ -66,9 +66,9 @@ step_2() {
 
   # Add stable repository
   exe add-apt-repository "deb [arch=amd64] ${dockerRepoUrl} $(lsb_release -cs) stable"
-  endReturn -o $? "Failed to add Docker repository"
+  endReturn "Failed to add Docker repository"
   exe apt update
-  endReturn -o $? "Docker repository not available"
+  endReturn "Docker repository not available"
 }
 
 step_3_info() { echo "Install latest Docker version"; }
@@ -81,7 +81,7 @@ step_3() {
   fi
   exe apt install $dockerPackages $aptOption
 
-  echo " [I] You may test the installation by running:"
+  info "You may test the installation by running:"
   echo "     sudo docker run hello-world"
 }
 
@@ -108,7 +108,7 @@ step_5() {
   if [ ! -z "$2" ] ; then
     secret="$2"
   elif [ ! -z "$dockerSecret" ]; then
-    secret="$dockerSecret" 
+    secret="$dockerSecret"
   elif interactive ; then
     exe read -s -p "JWT Secret: " secret
   fi
@@ -143,7 +143,7 @@ step_7() {
     warning -e "No $toolName Docker container found"
   fi
   exe docker pull $dockerImageName
-  endReturn -o $? "Error getting $toolName Docker update"
+  endReturn "Error getting $toolName Docker update"
 
   step startoo
 }
@@ -153,12 +153,12 @@ step_10_alias() { echo "ls"; }
 step_10() {
   exe docker container ls
   echo
-  echo " [I] To stop a container run:"
+  info "To stop a container run:"
   echo "     docker stop [CONTAINER ID]"
   echo "     e.g.: docker stop 70f1c5c81be2"
 }
 
-step_12_info() { 
+step_12_info() {
   echo "Clean unused Docker data"
   echoinfo "(unused containers, dangling images, networks, build cache and volumes)"
 }
@@ -182,7 +182,7 @@ step_102() {
   case $answer in
     [yY])
       exe service docker stop
-      exe rm -rf /var/lib/docker 
+      exe rm -rf /var/lib/docker
       ;;
     *)
       return 0
diff --git a/seqs/openvpn.sh b/seqs/openvpn.sh
index 6a85b91..61ae085 100755
--- a/seqs/openvpn.sh
+++ b/seqs/openvpn.sh
@@ -1,36 +1,14 @@
 #!/bin/bash
 
-toolName=openvpn
-toolDeps=openvpn
-toolDefaultConf="/etc/default/openvpn"
-toolUserScriptsLoc="/usr/lib/openvpn"
+readonly toolName=openvpn
+readonly toolDeps=openvpn
+readonly toolDefaultConf="/etc/default/openvpn"
+readonly toolUserScriptsLoc="/usr/lib/openvpn"
 
-# Get script working directory
-# (when called from a different directory)
-WDIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" >>/dev/null 2>&1 && pwd)"
-APTOPT=
-CONFIG=0
-SCRIPT_FILE=$(basename -- $0)
-SCRIPT_NAME=${SCRIPT_FILE%%.*}
-CONFIG_FILE_NAME="${SCRIPT_NAME}.cfg"
-CONFIG_FILE_TEMPLATE="$WDIR/${CONFIG_FILE_NAME}.example"
-CONFIG_DIR="$WDIR/$SCRIPT_NAME"
+sq_aptOpt=
 
 seq_config() {
-  #echo "Called once before executing steps."
-  ## e.g. to source a config file manually:
-  #. "$CONFIG_FILE"
-  ## or to use sequencer api with global config file:
-  #initSeqConfig "$CONFIG_FILE_NAME" "$CONFIG_FILE_TEMPLATE"
-  ## or to use sequencer api with profile config file support:
-  #initSeqConfig -p "$SCRIPT_NAME" "$CONFIG_FILE_TEMPLATE"
-  #if [ $? -eq 0 ] ; then
-  #  CONFIG=1
-  #else
-  #  # End if no configuration file exists
-  #  dry || return -1
-  #fi
-  quiet && APTOPT="-y"
+  interactive || sq_aptOpt="-y"
   return 0
 }
 
@@ -38,7 +16,7 @@ step_1_info() { echo "Install $toolName"; }
 step_1_alias() { echo "install"; }
 step_1() {
   exe apt update
-  exe apt install $toolDeps $APTOPT
+  exe apt install $toolDeps $sq_aptOpt
 }
 
 step_2_info() { echo "Install customized helper scripts to $toolUserScriptsLoc"; }
@@ -46,7 +24,7 @@ step_2() {
   exep "mkdir \"$toolUserScriptsLoc\" 2>>/dev/null"
   [ $? -ne 0 ] && \
     warning "$toolUserScriptsLoc already exists. Not overwriting existing files."
-  exe cp -n "$CONFIG_DIR"/* "$toolUserScriptsLoc"
+  exe cp -n "${seq_origin}/${seq_fileName}"/* "$toolUserScriptsLoc"
 }
 
 step_10_info() { echo "Open openvpn system start configuration"; }
@@ -55,5 +33,7 @@ step_10() {
   exe vi "$toolDefaultConf"
 }
 
+# shellcheck disable=SC2034 # Appears unused
 readonly sqr_minVersion=16
+# shellcheck disable=SC1091 # Don't follow this source
 . /usr/local/bin/sequencer.sh
diff --git a/seqs/openvpn/my.conf b/seqs/openvpn/my.conf
index 7159796..b542a70 100644
--- a/seqs/openvpn/my.conf
+++ b/seqs/openvpn/my.conf
@@ -8,7 +8,7 @@
 verb 1
 
 # Always add custom nameserver
-#dhcp-option DNS 208.67.222.222 
+#dhcp-option DNS 208.67.222.222
 #dhcp-option DNS 84.200.69.80
 
 # Mute common false alarm on WiFi networks
diff --git a/seqs/paperless-venv.sh b/seqs/paperless-venv.sh
index cd9bc85..ed98f8b 100755
--- a/seqs/paperless-venv.sh
+++ b/seqs/paperless-venv.sh
@@ -76,11 +76,11 @@ step_3() {
     status)
       serviceCommand="is-active"
       info -n  "paperless-webserver: "
-      exe systemctl "${serviceCommand:?}" paperless-webserver 
+      exe systemctl "${serviceCommand:?}" paperless-webserver
       info -na "paperless-scheduler: "
-      exe systemctl "${serviceCommand:?}" paperless-scheduler 
+      exe systemctl "${serviceCommand:?}" paperless-scheduler
       info -na "paperless-consumer : "
-      exe systemctl "${serviceCommand:?}" paperless-consumer 
+      exe systemctl "${serviceCommand:?}" paperless-consumer
       info -na "paperless-task-queue: "
       exe systemctl "${serviceCommand:?}" paperless-task-queue.service
       return 0 ;;
@@ -90,9 +90,9 @@ step_3() {
       error "Unknown command ${1:-"-"}"
       return 1 ;;
   esac
-  exe systemctl "${serviceCommand:?}" paperless-webserver 
-  exe systemctl "${serviceCommand:?}" paperless-scheduler 
-  exe systemctl "${serviceCommand:?}" paperless-consumer 
+  exe systemctl "${serviceCommand:?}" paperless-webserver
+  exe systemctl "${serviceCommand:?}" paperless-scheduler
+  exe systemctl "${serviceCommand:?}" paperless-consumer
   exe systemctl "${serviceCommand:?}" paperless-task-queue
 }
 
@@ -100,8 +100,8 @@ step_10_info() { echo "Install python3"; }
 step_10_alias() { echo "install"; }
 step_10() {
   exe apt update
-  exe apt install ${toolDeps} ${aptOpt:-} 
-  exe apt install ${toolDepsOcr} ${aptOpt:-} 
+  exe apt install ${toolDeps} ${aptOpt:-}
+  exe apt install ${toolDepsOcr} ${aptOpt:-}
 }
 
 step_11_info() { echo "Add system user"; }
@@ -111,7 +111,7 @@ step_11() {
   fi
   exe adduser --disabled-password --disabled-login --gecos "" --home "${sc_paperlessHome}" "${sc_paperlessUser:?}"
 }
- 
+
 step_12_info() { echo "Install/upgrade ${toolName}"; }
 step_12_alias() { echo "upgrade"; }
 step_12() {
@@ -127,7 +127,7 @@ step_12() {
     fi
   fi
   exe wget ${downUrl} -q -O "${sq_paperlessDownLoc}"
-  endReturn -o $? "Download failed"
+  endReturn "Download failed"
 
   if [ -e "${sc_paperlessDir}" ] ; then
     if step backup --nostart; then
@@ -139,7 +139,7 @@ step_12() {
     exe mv "${sc_paperlessDir}" "${sc_paperlessDir}_bu"
   fi
 
-  exe mkdir -p "${sc_paperlessHome}" 
+  exe mkdir -p "${sc_paperlessHome}"
   exe tar -xf "${sq_paperlessDownLoc}" -C "${sc_paperlessHome}"
   exe chown -R "${sc_paperlessUser}": "${sc_paperlessHome}"
 
@@ -154,7 +154,7 @@ step_12() {
     info "Starting post upgrade procedure"
     step postupgrade
     step service start
-    die "Upgrade finished" 
+    die "Upgrade finished"
   fi
 }
 
@@ -194,17 +194,17 @@ step_19_alias() { echo 'nltk'; }
 step_19() {
   info 'Installing nltk'
   exe "${sc_paperlessVenv}/bin/pip3" install -U nltk
-  endReturn -o $? "Failed to install nlkt"
+  endReturn "Failed to install nlkt"
 
   exe cd "${sc_paperlessHome}/data"
   exe mkdir -p "nltk"
   exe "${sc_paperlessVenv}/bin/python3" -m nltk.downloader -d ./nltk/ snowball_data stopwords punkt
-  endReturn -o $? "Failed to install nlkt modules snowball stopwords punkt"
+  endReturn "Failed to install nlkt modules snowball stopwords punkt"
 
   step service restart
 }
 
-step_30_info() { 
+step_30_info() {
   echo "Retag existing documents"
   echoinfo "OPTIONS"
   echoinfo "  -c, --correspondent"
@@ -222,7 +222,7 @@ step_30() {
   exe sudo -u "${sc_paperlessUser}" "${sc_paperlessVenv}/bin/python3" manage.py document_retagger "$@"
 }
 
-step_32_info() { 
+step_32_info() {
   echo "Manage document search index"
   echoinfo "  reindex - (default) create index from scratch"
   echoinfo " optimize - updates index to increase search speed and"
@@ -292,7 +292,7 @@ step_100() {
     ../../{consume,data,media}
   * To allow access directly via ip address
     PAPERLESS_ALLOWED_HOSTS=$(hostname -I | awk '{print $1;}')
-  * recommended settings  
+  * recommended settings
     PAPERLESS_FILENAME_FORMAT={created_year}/{title}
     PAPERLESS_SECRET_KEY=change-me
     PAPERLESS_OCR_LANGUAGE=deu+eng
@@ -309,7 +309,7 @@ $(cd "${sc_paperlessDir}"/scripts 2>/dev/null && for f in *.service; do echo "
     To chose a custom listen address and port for gunicorn
     (default address: [..], default port: 8000)
 * /etc/ImageMagick-x/policy.xml
-  * enable access to pdfs  
+  * enable access to pdfs
     <policy domain="coder" rights="read|write" pattern="PDF" />
 
 # Nginx proxy
diff --git a/seqs/paperless.sh b/seqs/paperless.sh
index 0276606..d8b9b94 100755
--- a/seqs/paperless.sh
+++ b/seqs/paperless.sh
@@ -75,11 +75,11 @@ step_3() {
     status)
       serviceCommand="is-active"
       info -n  " paperless-webserver: "
-      exe systemctl "${serviceCommand:?}" paperless-webserver 
+      exe systemctl "${serviceCommand:?}" paperless-webserver
       info -na " paperless-scheduler: "
-      exe systemctl "${serviceCommand:?}" paperless-scheduler 
+      exe systemctl "${serviceCommand:?}" paperless-scheduler
       info -na "  paperless-consumer: "
-      exe systemctl "${serviceCommand:?}" paperless-consumer 
+      exe systemctl "${serviceCommand:?}" paperless-consumer
       info -na "paperless-task-queue: "
       exe systemctl "${serviceCommand:?}" paperless-task-queue.service
       return 0 ;;
@@ -89,9 +89,9 @@ step_3() {
       error "Unknown command ${1:-"-"}"
       return 1 ;;
   esac
-  exe systemctl "${serviceCommand:?}" paperless-webserver 
-  exe systemctl "${serviceCommand:?}" paperless-scheduler 
-  exe systemctl "${serviceCommand:?}" paperless-consumer 
+  exe systemctl "${serviceCommand:?}" paperless-webserver
+  exe systemctl "${serviceCommand:?}" paperless-scheduler
+  exe systemctl "${serviceCommand:?}" paperless-consumer
   exe systemctl "${serviceCommand:?}" paperless-task-queue
 }
 
@@ -99,8 +99,8 @@ step_10_info() { echo "Install python3"; }
 step_10_alias() { echo "install"; }
 step_10() {
   exe apt update
-  exe apt install ${toolDeps} ${aptOpt:-} 
-  exe apt install ${toolDepsOcr} ${aptOpt:-} 
+  exe apt install ${toolDeps} ${aptOpt:-}
+  exe apt install ${toolDepsOcr} ${aptOpt:-}
 }
 
 step_11_info() { echo "Add system user"; }
@@ -108,9 +108,9 @@ step_11() {
   if id "${toolUser}" >/dev/null 2>&1 ; then
     endReturn -o 1 "User ${toolUser} already exists"
   fi
-  exe adduser "${toolUser}" --system --group --home "${sc_paperlessHome}" 
+  exe adduser "${toolUser}" --system --group --home "${sc_paperlessHome}"
 }
- 
+
 step_12_info() { echo "Install/upgrade ${toolName}"; }
 step_12_alias() { echo "upgrade"; }
 step_12() {
@@ -126,7 +126,7 @@ step_12() {
     fi
   fi
   exe wget ${downUrl} -q -O "${sq_paperlessDownLoc}"
-  endReturn -o $? "Download failed"
+  endReturn "Download failed"
 
   if [ -e "${sc_paperlessDir}" ] ; then
     if step backup --nostart; then
@@ -137,7 +137,7 @@ step_12() {
     toolUpgrade=1
     exe mv "${sc_paperlessDir}" "${sc_paperlessDir}_bu"
   fi
- 
+
   exe tar -xf "${sq_paperlessDownLoc}" -C "${sc_paperlessHome}"
   exe chown -R "${toolUser}": "${sc_paperlessDir}"
 
@@ -152,7 +152,7 @@ step_12() {
     info "Starting post upgrade procedure"
     step postupgrade
     step service start
-    die "Upgrade finished" 
+    die "Upgrade finished"
   fi
 }
 
@@ -180,7 +180,7 @@ step_16() {
   exe sudo -Hu paperless python3 manage.py migrate
 }
 
-step_18_info() { 
+step_18_info() {
   echo "Retag existing documents"
   echoinfo "OPTIONS"
   echoinfo "  -c, --correspondent"
@@ -198,7 +198,7 @@ step_18() {
   exe sudo -Hu paperless python3 manage.py document_retagger "$@"
 }
 
-step_20_info() { 
+step_20_info() {
   echo "Manage document search index"
   echoinfo "  reindex - (default) create index from scratch"
   echoinfo " optimize - updates index to increase search speed and"
@@ -271,7 +271,7 @@ step_100() {
     redis://:password@localhost:6379
   * consume,data,media direcotries (${sc_paperlessHome}/...)
     ../../{consume,data,media}
-  * recommended settings  
+  * recommended settings
     PAPERLESS_FILENAME_FORMAT={created_year}/{title}
     PAPERLESS_SECRET_KEY=change-me
     PAPERLESS_OCR_LANGUAGE=deu+eng
@@ -283,13 +283,13 @@ $(cd "${sc_paperlessDir}"/scripts && for f in *.service; do echo "    $f"; done)
     * WorkingDirectory=/opt/paperless/paperless-ngx/src
     * path to celery: ${sc_paperlessHome}/.local/bin/celery
 * service files webserver
-  * Environment="PAPERLESS_PORT=8084"  
+  * Environment="PAPERLESS_PORT=8084"
     To chose a custom listen port for gunicorn
 * gunicorn.conf.py
-  * bind = f'0.0.0.0:{os.getenv("PAPERLESS_PORT", 8000)}'  
+  * bind = f'0.0.0.0:{os.getenv("PAPERLESS_PORT", 8000)}'
     If IPv6 is disabled/not avilable the first start takes very long
 * /etc/ImageMagick-x/policy.xml
-  * enable access to pdfs  
+  * enable access to pdfs
     <policy domain="coder" rights="read|write" pattern="PDF" />
 
 # Nginx proxy
diff --git a/seqs/php.sh b/seqs/php.sh
index ea591de..2596f11 100755
--- a/seqs/php.sh
+++ b/seqs/php.sh
@@ -38,7 +38,7 @@ seq_config() {
 
   # Prepare php packages to be installed
   sq_phpPackages="${sc_phpPackages[@]/#/${sq_phpName}-}"
-  
+
   sq_FpmConfig="/etc/php/${sc_phpVersion:?}/fpm/conf.d/90-custom_pi.ini"
   sq_CliConfig="/etc/php/${sc_phpVersion:?}/cli/conf.d/90-custom_pi.ini"
   sq_PoolConfig="/etc/php/${sc_phpVersion:?}/fpm/pool.d/www.conf"
@@ -104,7 +104,7 @@ step_10() {
   exe apt-get update
 }
 
-step_11_info() { 
+step_11_info() {
   echo "Installation of ${toolName:-'-'} packages:"
   echoinfo "${sq_phpPackages:-"(customize with '${seq_name} -c')"}"
 }
@@ -136,10 +136,10 @@ step_22_info() { echo "Configure ${toolName} pool ondemand"; }
 step_22_alias() { echo "conf_pool_ondemand"; }
 step_22() {
   info "Setting ${toolName} pool to 'ondemand'"
-  
+
   addConf -a "" "$sq_FpmIni"
   exe sed -i "s/^[;[:space:]]*pm =.*/pm = ondemand/" "$sq_PoolConfig"
-  
+
   restart_php
 }
 
diff --git a/seqs/pixelfed.sh b/seqs/pixelfed.sh
index ee4f1ad..2db2230 100755
--- a/seqs/pixelfed.sh
+++ b/seqs/pixelfed.sh
@@ -44,9 +44,9 @@ step_1() {
 step_2_info() { echo -e "Installing $toolName dependencies"; }
 step_2() {
   exe apt install "${toolPhpDeps[@]/#/${sq_phpName}-}" $toolDeps ${sq_aptOpt}
-  endReturn -o $? "Installing deps for $toolName failed"
+  endReturn "Installing deps for $toolName failed"
   exe service ${sq_phpName}-fpm restart
-  endReturn -o $? "Problems starting $toolName"
+  endReturn "Problems starting $toolName"
 }
 
 step_3_info() { echo -e "Get $toolName using git"; }
@@ -63,7 +63,7 @@ step_4() {
   exe cd "${toolPath:?}"
   exe ${seq_origin:?}/composer.sh -qq install
   exe sudo -u www-data ${sq_phpName:?} composer.phar install --no-ansi --no-interaction --optimize-autoloader
-  endReturn -o $? "Composer install error"
+  endReturn "Composer install error"
 }
 
 step_5_info() { echo "Create mysql database for $toolName"; }
@@ -97,10 +97,10 @@ step_7() {
 step_8_info() { echo "Create pixelfed (horzion) service"; }
 step_8() {
   addConf -c "${horizonService}" "${horizonServiceLoc}"
-  endReturn -o $? "Failed to add horizon service"
+  endReturn "Failed to add horizon service"
   exe systemctl daemon-reload
   exe systemctl enable pixelfed.service
-  exe service pixelfed start  
+  exe service pixelfed start
 }
 horizonServiceLoc="/etc/systemd/system/pixelfed.service"
 horizonService="\
@@ -149,7 +149,7 @@ step_10() {
   addConf -c "$lNginxConfig" "$nginxConfigLoc"
   exe ln -s "$nginxConfigLoc" "$nginxConfigEnable"
   exe nginx -t
-  endReturn -o $? "Nginx configuration check error"
+  endReturn "Nginx configuration check error"
   exe service nginx restart
 }
 
@@ -247,9 +247,9 @@ step_100_alias() { echo "upgrade"; }
 step_100() {
   exe cd ${toolPath:?}
   exe git pull origin $toolTag
-  endReturn -o $? "git pull failed"
+  endReturn "git pull failed"
   exe git checkout $toolTag
-  endReturn -o $? "git checkout failed"
+  endReturn "git checkout failed"
 }
 
 step_101_info() { echo "Recommended post update procedure"; }
diff --git a/seqs/postfixadmin.sh b/seqs/postfixadmin.sh
index 03ef41e..1108cf0 100755
--- a/seqs/postfixadmin.sh
+++ b/seqs/postfixadmin.sh
@@ -25,15 +25,15 @@ seq_config() {
   else
     dry || return 1
   fi
-  
+
   ## Apt cmdline option to suppress user interaction
   interactive || sq_aptOpt="-y"
-  
+
   ## Return of non zero value will abort the sequence
   return 0
 }
 
-step_1_info() { 
+step_1_info() {
   # eval needed to expand sourced configuration variables
   echo "Install $toolName dependencies:"
   echoinfo "${toolPhpDeps[@]/#/php${PFA_PHP_VERSION:-}-}"
@@ -53,7 +53,7 @@ step_3_info() { echo "Install fetchmail"; }
 step_3_alias() { echo "install_fetchmail"; }
 step_3() {
   exe apt install $fetchmailDeps ${sq_aptOpt:-}
-  endReturn -o $? "Failed to install fetchmail"
+  endReturn "Failed to install fetchmail"
   exe systemctl stop fetchmail
   exe systemctl disable fetchmail
 }
@@ -69,7 +69,7 @@ step_4() {
   echo "  [$toolAdditionsLoc/fetchmail.pl]"
   echo "   # Change path to fetchmail.conf (see above)"
   echo
-  echo " [I] Run step \"timer\" when configuration is done"
+  info "Run step \"timer\" when configuration is done"
 }
 
 step_6_info() {
@@ -153,16 +153,16 @@ step_18() {
 
   isInstalled=$(grep -E "${latestVersion}" "${PFA_WEB_LOC}/version" >>/dev/null 2>&1 && echo "1" || echo "0")
   if [ $isInstalled -eq 1 ] ; then
-    echo " [I] Version $latestVersion is already installed"
+    info "Version $latestVersion is already installed"
     return 1
   else
-    echo " [I] Update to $latestVersion available"
+    info "Update to $latestVersion available"
   fi
   return 0
 }
 
 
-step_20_info() { 
+step_20_info() {
   echo -n "Create a backup"
   if [ $sq_config -ne 0 ] ; then
     echo " at $PFA_BACKUP"
@@ -189,7 +189,7 @@ step_20() {
   fi
 
   local srvBackup="$PFA_BACKUP/${toolName}_`date +%Y%m%d-%H%M%S`.tar.gz"
-  echo " [I] Backing up server directory to $srvBackup"
+  info "Backing up server directory to $srvBackup"
   exe cd "$tempRoot/.."
   exe tar czf "$srvBackup" $(basename "$tempRoot")
 
@@ -252,12 +252,12 @@ step_22() {
   if [ ! -e "$tempExtract" ] ; then
     exe mkdir -p "$tempDown"
     exe wget -O "$tempLoc" $downUrl
-    endReturn -o $? "Download failed: $downUrl"
+    endReturn "Download failed: $downUrl"
     exe cd "$tempDown"
     exe tar -xf "$tempLoc"
-    endReturn -o $? "Extract failed: $tempLoc"
+    endReturn "Extract failed: $tempLoc"
   else
-    echo " [I] Found existing download: $tempExtract"
+    info "Found existing download: $tempExtract"
   fi
 
   # Installation
@@ -266,12 +266,12 @@ step_22() {
   if [ -e "$PFA_SRV_LOC" ] ; then
     exe mv "$PFA_SRV_LOC" "$tempBu"
     step backup "$tempBu"
-    endReturn -o $? "Backup failed; $PFA_SRV_LOC renamed!"
+    endReturn "Backup failed; $PFA_SRV_LOC renamed!"
   fi
-  echo " [I] Installing version $latestVersion to $PFA_SRV_LOC"
+  info "Installing version $latestVersion to $PFA_SRV_LOC"
   exe cp -ar "$tempExtract" "$PFA_SRV_LOC"
   exe mkdir -p $(dirname "$PFA_WEB_LOC")
-  echo " [I] Create symlink to $PFA_WEB_LOC"
+  info "Create symlink to $PFA_WEB_LOC"
   exe ln -fs "$PFA_SRV_LOC/public" "$PFA_WEB_LOC"
 
   # Setting file permissions
@@ -280,20 +280,20 @@ step_22() {
   # Configuration
   local webConf="$tempBu/$toolConfName"
   if [ -e "$webConf" ] ; then
-    echo " [I] Copying configuration"
+    info "Copying configuration"
     exe cp -ar "$webConf" "$PFA_SRV_LOC/"
   else
-    echo " [I] Creating empty configuration file $PFA_SRV_LOC/$toolConfName"
+    info "Creating empty configuration file $PFA_SRV_LOC/$toolConfName"
     exep "echo -e \"# Created by ${seq_origin:?}/$(basename $0)\\n\\n# Changeme\" > \"$PFA_SRV_LOC/$toolConfName\""
   fi
 
   # Templates
   local templatesLoc="$tempBu/$toolTemplates"
   if [ -e "$templatesLoc" ] ; then
-    echo " [I] Copying $toolTemplates"
+    info "Copying $toolTemplates"
     exe cp -ar "$templatesLoc" "$toolTemplatesLoc"
   else
-    echo " [I] Creating empty directory $toolTemplatesLoc"
+    info "Creating empty directory $toolTemplatesLoc"
     exe mkdir -p "$toolTemplatesLoc"
     exe chown -R www-data: "$toolTemplatesLoc"
   fi
@@ -309,7 +309,7 @@ step_23() {
   exe rm -rf "$tempDown"
 }
 
-step_100_info() { 
+step_100_info() {
   echo "Execute $toolName client script"
   echoinfo "[OPTIONS] are passed on to $toolName-cli unmodified"
 }
diff --git a/seqs/postgres.sh b/seqs/postgres.sh
index 2e2cb8d..7fc448b 100755
--- a/seqs/postgres.sh
+++ b/seqs/postgres.sh
@@ -62,7 +62,7 @@ step_11_info() { echo "Installing $toolName dependencies"; }
 step_11_alias() { echo "install"; }
 step_11() {
   exe apt update
-  endReturn -o $? "Updating apt repositories failed"
+  endReturn "Updating apt repositories failed"
   exe apt install $toolDeps ${sq_aptOpt}
 }
 
@@ -71,7 +71,7 @@ step_20_alias() { echo "createdb"; }
 step_20() {
   readDatabaseInfos
 
-  exe cd ~postgres 
+  exe cd ~postgres
   exe su ${toolUser} -c "psql -c \"CREATE USER ${postgresUser} WITH ENCRYPTED password '${postgresPass}';\""
   exe su ${toolUser} -c "psql -c \"CREATE DATABASE ${postgresDb} ENCODING \"UTF8\" LC_COLLATE='C' LC_CTYPE='C' template=template0 OWNER ${postgresUser};\""
   exe su ${toolUser} -c "psql -c \"GRANT ALL PRIVILEGES ON DATABASE \"${postgresDb}\" to ${postgresUser};\""
@@ -137,7 +137,7 @@ step_40() {
     dbname="$postgresDb"
   fi
   #if [ ! -s ~/.pgpass ] ; then
-  #  echo " [I] For unattended backup please define ~/.pgpass containing credentials"
+  #  info "For unattended backup please define ~/.pgpass containing credentials"
   #  echo "     e.g. localhost:5432:database:user:pass"
   #fi
   # -Fc  custom format
@@ -150,7 +150,7 @@ step_40() {
 step_42_info() { echo "Postgres database restore"; }
 step_42_alias() { echo "restoredb"; }
 step_42() {
-  echo " [I] Postgres database restore procedure"
+  info "Postgres database restore procedure"
   echo "1. Create a empty postgres database first (step 4)"
   echo "2. psql -h <host> -U <database user> -d <database name> -W -f <sql dump file>"
   echo "   e.g.  psql -h 127.0.0.1 -U synapse -d synapse -W -f 2018-06-07_18-10-56.sql"
@@ -165,7 +165,7 @@ step_42() {
   exe su ${toolUser} -c "psql -c '\du'"
 }
 
-step_44_info() { 
+step_44_info() {
   local DELYEAR=$(($(date +%Y)-2))
   echo "Clean all ${DELYEAR} backups of a database";
 }
diff --git a/seqs/postgrey.sh b/seqs/postgrey.sh
index 94a14a4..5579012 100755
--- a/seqs/postgrey.sh
+++ b/seqs/postgrey.sh
@@ -34,7 +34,7 @@ step_1() {
   exe apt install "$toolDeps" $aptOpt
 }
 
-step_2_info() { 
+step_2_info() {
   echo "Add cron to update whitelist_clients from"
   echoinfo "$updateUrl"
 }
diff --git a/seqs/pyload.sh b/seqs/pyload.sh
index 1402488..43a6df2 100755
--- a/seqs/pyload.sh
+++ b/seqs/pyload.sh
@@ -16,7 +16,7 @@ seq_config() {
   fi
 
   interactive || sq_aptOpt="-y"
-  
+
   return 0
 }
 
@@ -41,7 +41,7 @@ step_2() {
   exe rm -rf unrar-*
 }
 
-step_3_info() { 
+step_3_info() {
   echo "Install dependencies"
   echoinfo "  [TARGET] (default: raspi)"
   echoinfo "     raspi: Raspberry Pi OS"
@@ -52,7 +52,7 @@ step_3_alias() { echo "deps"; }
 step_3() {
   shift
   local lDeps="$toolDeps"
-  case "${1:-}" in 
+  case "${1:-}" in
     debian)
       lDeps="$toolDepsDebian";;
     raspi);;
@@ -76,7 +76,7 @@ step_3() {
 step_4_info() { echo "Get $toolName from $toolDownload and create dedicated user"; }
 step_4() {
   exe git clone -b $toolBranch $toolDownload "$PYL_INSTALL_DIR"
-  endReturn -o $? "Git clone failed"
+  endReturn "Git clone failed"
   exe adduser --system --home "$PYL_CONFIG_DIR" "$PYL_USER"
 }
 
@@ -121,7 +121,7 @@ step_10() {
   exe service $toolName stop
   exe cd "$PYL_INSTALL_DIR"
   exe git pull
-  echo " [I] Service is not started automatically"
+  info "Service is not started automatically"
   echo "     Do so manually with: service $toolName start"
 }
 
diff --git a/seqs/raspberry.sh b/seqs/raspberry.sh
index ecd8e6c..1303497 100755
--- a/seqs/raspberry.sh
+++ b/seqs/raspberry.sh
@@ -58,7 +58,7 @@ evalArgs() {
   for _ in "$@"; do
     case "${1:-}" in
       -a|--arch)
-        if [ -n "${2:-}" ]; then 
+        if [ -n "${2:-}" ]; then
           PIARCH="$2"
           ((argCount+=2))
         else
@@ -74,7 +74,7 @@ evalArgs() {
   return $argCount
 }
 
-step_1_info() { 
+step_1_info() {
   # Shift away args
   shift; local lArgs=( "$@" ); evalArgs "${lArgs[@]}"; shift $?
 
@@ -99,7 +99,7 @@ step_1() {
   fi
   if [ ! -f "$downImgLoc" ] ; then
     exe unxz "$downLoc"
-    endReturn -o $? "Unzip raspios image $PIARCH failed"
+    endReturn "Unzip raspios image $PIARCH failed"
   fi
 }
 downDay=$(date +%Y%m%d)
@@ -108,13 +108,13 @@ downImgName="raspios_${downDay}.img"
 downImgLoc="${downDir}/${downImgName}"
 downLoc="${downDir}/${downImgName}.xz"
 
-step_2_info() { 
+step_2_info() {
   # Shift away args
   shift; local lArgs=( "$@" ); evalArgs "${lArgs[@]}"; shift $?
 
   echo "Write Raspberry Pi OS image to SD card"
   echoinfo "This operation will delete all data previously on the SD card!"
-  contextExe && [ -n "${1:-}" ] && echoinfo "   [SD CARD DEVICE]: $1" 
+  contextExe && [ -n "${1:-}" ] && echoinfo "   [SD CARD DEVICE]: $1"
 }
 step_2_options() { echo "[OPTIONS] [SD CARD DEVICE]"; }
 step_2_alias() { echo "writesd"; }
@@ -151,7 +151,7 @@ step_2() {
   exe read -p "     Press enter to contiue."
 }
 
-step_3_info() { 
+step_3_info() {
   # Shift away args
   shift; local lArgs=( "$@" ); evalArgs "${lArgs[@]}"; shift $?
 
@@ -164,7 +164,7 @@ step_3_options() { echo "[SD CARD DEVICE]"; }
 step_3() {
   # Shift away args
   shift; local lArgs=( "$@" ); evalArgs "${lArgs[@]}"; shift $?
-  
+
 
   if [ -z "${1:-}" ] && [ -n "${SDDEV:-}" ] ; then
     if quiet ; then
@@ -186,7 +186,7 @@ step_3() {
   fi
 
   read_sd_dev "${1:-}"
-  endReturn -o $? "SD card device not found"
+  endReturn "SD card device not found"
 
   if [ ! -w "$SDBOOT" ] ; then
     error -e "SD card boot partion not writeable"
@@ -215,7 +215,7 @@ step_3() {
   exe cp -ar "$SDROOT"/etc/fstab "$SDROOT"/etc/fstab.sd
 }
 
-step_4_info() { 
+step_4_info() {
   # Shift away args
   shift; local lArgs=( "$@" ); evalArgs "${lArgs[@]}"; shift $?
 
@@ -232,13 +232,13 @@ step_4() {
   shift; local lArgs=( "$@" ); evalArgs "${lArgs[@]}"; shift $?
 
   read_sd_dev "${1:-}"
-  endReturn -o $? "SD detection error $?"
+  endReturn "SD detection error $?"
   read_hd_dev "${2:-}"
-  endReturn -o $? "HD detection error"
-  echo " [I] SD: $SDDEV" 
+  endReturn "HD detection error"
+  info "SD: $SDDEV"
   echo "         $SDBOOT [$SDBOOTPUUID]"
   echo "         $SDROOT [$SDROOTPUUID]"
-  echo " [I] HD: $HDDEV" 
+  info "HD: $HDDEV"
   echo "         $HDROOT [$HDROOTPUUID]"
   echo "         $HDSWAP [$HDSWAPPUUID]"
   echo
@@ -270,7 +270,7 @@ step_4() {
   echo
 
   # Resize second partition of SD to max. possible size
-  echo " [I] Resize root partion of SD: ${SDROOT} "
+  info "Resize root partion of SD: ${SDROOT} "
   step resizesd "$SDDEV"
   if [ $? -ne 0 ] ; then
     warning -e "Something seems to have failed during resize"
@@ -286,7 +286,7 @@ step_4() {
   fi
 }
 
-step_5_info() { 
+step_5_info() {
   # Shift away args
   shift; local lArgs=( "$@" ); evalArgs "${lArgs[@]}"; shift $?
 
@@ -306,30 +306,30 @@ step_5() {
   error -e "Not ready yet...TODO"
   #return 1
   read_sd_dev "${1:-}"
-  endReturn -o $? "SD detection error $?"
+  endReturn "SD detection error $?"
 
   read_hd_dev "${2:-}"
-  endReturn -o $? "HD detection error"
-  echo " [I] SD: $SDDEV" 
+  endReturn "HD detection error"
+  info "SD: $SDDEV"
   echo "         $SDBOOT [$SDBOOTPUUID]"
   echo "         $SDROOT [$SDROOTPUUID]"
-  echo " [I] HD: $HDDEV" 
+  info "HD: $HDDEV"
   echo "         $HDROOT [$HDROOTPUUID]"
   echo "         $HDSWAP [$HDSWAPPUUID]"
   echo
 
   # TODO how to partition HD
-  echo " [I] $HDDEV is expected to be partitioned with root and swap"
+  info "$HDDEV is expected to be partitioned with root and swap"
   echo "     TODO create a step for partitioning script support?!"
   echo
 
   # Initial rsync of system to HD
-  echo " [I] Clone SD root to HD root:"
+  info "Clone SD root to HD root:"
   echo "     rsync -avxHAX --numeric-ids --info=stats2 $SDROOT/ $HDROOT/"
   echo
 
   # Modify fstab on HD for root and swap on HD
-  echo " [I] modify $HDROOT/etc/fstab"
+  info "modify $HDROOT/etc/fstab"
   echo "     PARTUUID=$SDBOOTPUUID /boot   vfat ro,defaults         0 2"
   echo "     PARTUUID=$SDROOTPUUID /backup ext4 ro,defaults,noatime 0 2"
   echo "     PARTUUID=$HDROOTPUUID /       ext4 defaults,noatime    0 1"
@@ -337,7 +337,7 @@ step_5() {
   echo
 
   # etc
-  echo " [I] modify $HDROOT/etc/dhcpcd.conf for static IPs"
+  info "modify $HDROOT/etc/dhcpcd.conf for static IPs"
 }
 
 read_sd_dev() {
@@ -356,7 +356,7 @@ read_sd_dev() {
     SDROOTDEV=
     SDBOOTPUUID=
     SDROOTPUUID=
-    echo " [I] Available devices:"
+    info "Available devices:"
     echo
     exe lsblk -p
     echo
@@ -371,7 +371,7 @@ read_sd_dev() {
 
   if [[ "$SDDEV" =~ .*blk.* ]] ; then
     partExt="p"
-  fi 
+  fi
 
   if [ -z $SDBOOT ] ; then
     SDBOOT=$(findmnt -no TARGET "${SDDEV}${partExt}${SDBOOTPARTNO}")
@@ -403,7 +403,7 @@ read_hd_dev() {
     HDROOT=
     HDROOTPUUID=
     HDSWAPPUUID=
-    echo " [I] Available devices:"
+    info "Available devices:"
     echo
     exe lsblk -p
     echo
@@ -462,7 +462,7 @@ step_22() {
     error -e "No SD found"
     return 1
   fi
-  echo " [I] Device to be resized: $SDROOTDEV"
+  info "Device to be resized: $SDROOTDEV"
 
   exe umount -q "$SDROOT"
   exe parted -s "$SDDEV" "resizepart $SDROOTPARTNO -1" quit
@@ -493,7 +493,7 @@ step_24() {
   if [ ! -z "$2" ] && [ "$2" == "-p" ] ; then
     exep "grep \"$ledPowerBright\" $startScript >>/dev/null"
     if [ $? -eq 0 ] ; then
-      echo " [I] Power LED brightness already used. Please check $startScript manually for:"
+      info "Power LED brightness already used. Please check $startScript manually for:"
       echo "     $ledOffCmd"
       return 1
     fi
@@ -564,7 +564,7 @@ step_34() {
   exe $tvserviceOffCmd
   exep "grep \"$tvserviceBin\" $startScript >>/dev/null"
   if [ $? -eq 0 ] ; then
-    echo " [I] Tvservice already used. Please check $startScript manually for:"
+    info "Tvservice already used. Please check $startScript manually for:"
     echo "     $tvserviceOffCmd"
     return 1
   fi
@@ -584,7 +584,7 @@ checkBootConfig() {
 
   local re_check="^[[:blank:]]*[^#]*${1}[[:blank:]]*=[[:blank:]]*$2"
   grep -rqE "$re_check" "$RPI_BOOT_CONFIG"
-  return $? 
+  return $?
 }
 
 step_100_alias() { echo "notes"; }
@@ -619,7 +619,7 @@ step_100() {
 
 * Configure vim to remember last position in a file
 
-    Uncomment the following in [/etc/vim/vimrc] 
+    Uncomment the following in [/etc/vim/vimrc]
 > \`au BufReadPost ...\`
 
 NOTES_EOF
diff --git a/seqs/redis.sh b/seqs/redis.sh
index ee0b92c..4927f08 100755
--- a/seqs/redis.sh
+++ b/seqs/redis.sh
@@ -1,34 +1,26 @@
 #!/bin/bash
 
-toolName=redis
-toolDeps=redis-server
-
-# Get script working directory
-# (when called from a different directory)
-WDIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" >>/dev/null 2>&1 && pwd)"
-CONFIG=0
-SCRIPT_NAME=$(basename -- $0)
-SCRIPT_NAME=${SCRIPT_NAME%%.*}
-CONFIG_FILE_NAME="${SCRIPT_NAME}.cfg"
-CONFIG_FILE_TEMPLATE="$WDIR/${CONFIG_FILE_NAME}.example"
+readonly toolName=redis
+readonly toolDeps=redis-server
+sq_aptOpt=
 
 seq_config() {
-  initSeqConfig "$CONFIG_FILE_NAME" "$CONFIG_FILE_TEMPLATE"
-  if [ $? -eq 0 ] ; then
-    CONFIG=1
+  if ! initSeqConfig "${seq_configName:?}" "${seq_configTemplate:?}" ; then
+    # End if no configuration file exists
+    dry || return 1
   fi
+
+  ## Apt cmdline option to suppress user interaction
+  interactive || sq_aptOpt="-y"
+
+  return 0
 }
 
 step_1_info() { echo "Install $toolName"; }
 step_1_alias() { echo "install"; }
 step_1() {
-  local aptOpt=
-  if quiet;then
-    aptOpt="-y"
-  fi
-
   exe apt update
-  exe apt install $toolDeps $aptOpt
+  exe apt install $toolDeps $sq_aptOpt
 }
 
 step_2_info() { echo "Installation notes"; }
@@ -64,7 +56,7 @@ requirepass verystrongpassword
 NOTES_EOF
 }
 
-step_10_info() { 
+step_10_info() {
   echo "Execute redis-cli commands"
   echoinfo " [CLI COMMAND]"
   echoinfo "   e.g. info"
@@ -82,5 +74,7 @@ step_10() {
   fi
 }
 
+# shellcheck disable=SC2034 # Appears unused
 readonly sqr_minVersion=16
+# shellcheck disable=SC1091 # Don't follow this source
 . /usr/local/bin/sequencer.sh
diff --git a/seqs/roundcube.sh b/seqs/roundcube.sh
index a85fdac..ba71ed5 100755
--- a/seqs/roundcube.sh
+++ b/seqs/roundcube.sh
@@ -20,7 +20,7 @@ seq_config() {
     # End if no configuration file exists
     dry || return 1
   fi
-  
+
   # Apt cmdline option to suppress user interaction
   interactive || sq_aptOpt="-y"
 
@@ -66,7 +66,7 @@ step_2() {
 step_3_info() { echo "Configure $toolName"; }
 step_3_alias() { echo "config"; }
 step_3() {
-  echo " [I] Recommended composer packages to be added to \"require\" section:"
+  info "Recommended composer packages to be added to \"require\" section:"
   echo '      "alexandregz/twofactor_gauthenticator": "dev-master",'
   echo '      "johndoh/contextmenu": "*",'
   echo '      "kitist/html5_notifier": "*",'
@@ -76,12 +76,12 @@ step_3() {
   exe vi "$RC_LOC/composer.json"
   step postupgrade
 
-  echo " [I] Generating mysql database $RC_DATABASE"
+  info "Generating mysql database $RC_DATABASE"
   echo
   exe ${seq_origin:?}/mysql.sh createdb -c utf8mb4
 
   echo
-  echo " [I] Now visit: http://url-to-roundcube/installer/"
+  info "Now visit: http://url-to-roundcube/installer/"
   echo
   echo "     ! Check the database password in $RC_LOC/config/config.inc.php"
   echo "       afterwards, the installer may have corrupted some special character"
@@ -132,7 +132,7 @@ I also installed 'php-pear' since one error indicated connection to it.
 TROUBLE_END
 }
 
-step_20_info() { 
+step_20_info() {
   echo -n "Create a backup"
   if (( ${sq_config} )) ; then
     echo " at $RC_BACKUP"
@@ -151,7 +151,7 @@ step_20() {
   fi
   exe ${seq_origin:?}/mysql.sh -qq backup "$RC_DATABASE" "$RC_BACKUP"
   local wwwBackup="$RC_BACKUP/${toolName}_www_`date +%Y%m%d-%H%M%S`.tar.gz"
-  echo " [I] Backing up webserver directory to $wwwBackup"
+  info "Backing up webserver directory to $wwwBackup"
   exe cd "$RC_LOC/.."
   exe tar czf "$wwwBackup" $(basename "$RC_LOC")
 }
@@ -195,16 +195,16 @@ step_22() {
   downloadLatest
 
   step backup
-  echo " [I] Installing version $latestVersion to $RC_LOC"
+  info "Installing version $latestVersion to $RC_LOC"
   exe "$tempInstall" "$RC_LOC"
-  echo " [I] Make sure to check composer.json-dist file for upstream changes"
+  info "Make sure to check composer.json-dist file for upstream changes"
 }
 
 step_23_info() { echo "Post upgrade procedure"; }
 step_23_alias() { echo "postupgrade"; }
 step_23() {
   exe cd "$RC_LOC"
-  echo " [I] Starting post update procedure"
+  info "Starting post update procedure"
   exe php composer.phar update --no-dev
 }
 
@@ -233,12 +233,12 @@ downloadLatest() {
   if [ ! -e "$tempExtract" ] ; then
     exe mkdir -p "$tempDown"
     exe wget -O "$tempLoc" $downUrl
-    endReturn -o $? "Download failed: $downUrl"
+    endReturn "Download failed: $downUrl"
     exe cd "$tempDown"
     exe tar -xf "$tempLoc"
-    endReturn -o $? "Extract failed: $tempLoc"
+    endReturn "Extract failed: $tempLoc"
   else
-    echo " [I] Found existing download: $tempExtract"
+    info "Found existing download: $tempExtract"
   fi
 }
 tempDown="/tmp/roundcube"
diff --git a/seqs/rspamd.sh b/seqs/rspamd.sh
index 57379f6..7d92f9b 100755
--- a/seqs/rspamd.sh
+++ b/seqs/rspamd.sh
@@ -259,10 +259,10 @@ step_60() {
 
   exe ./setVersion.sh "${version}" # check for latest tag
   confirm -f -y -n "remove arm64 from ENABLE_LUAJIT ifneq"
-  exe editor debian/rules 
+  exe editor debian/rules
   confirm -f -y -n "enable WANT_SYSTEMD_UNITS, disable ENABLE_LUAJIT"
   exe editor CMakeLists.txt
-  
+
   exe mkdir -p "${buildDir}"
   exe cd "${buildDir}"
   exe cmake "${cloneDir}" -DENABLE_HYPERSCAN=OFF
@@ -320,7 +320,7 @@ step_65() {
   info "Building version ${version} in ${buildDir}"
   exe mkdir -p "${buildHome}"
   exe cd "${buildHome}"
-  exe git clone --recursive "${toolGit}" 
+  exe git clone --recursive "${toolGit}"
   info "Checkout version ${version}"
   exe cd "${cloneDir}"
   exe git checkout tags/${version} # check for latest tag
diff --git a/seqs/rsyslog.sh b/seqs/rsyslog.sh
index 0b9c6a2..8b9a51b 100755
--- a/seqs/rsyslog.sh
+++ b/seqs/rsyslog.sh
@@ -5,16 +5,13 @@
 # source:
 # - https://selivan.github.io/2017/02/07/rsyslog-log-forward-save-filename-handle-multi-line-failover.html
 
-toolName="rsyslog"
-toolConfig="/etc/rsyslog.conf"
+readonly toolName="rsyslog"
+readonly toolConfig="/etc/rsyslog.conf"
 
-# Get script working directory
-# (when called from a different directory)
-WDIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" >>/dev/null 2>&1 && pwd )"
-CONFIG_SNMP="$WDIR/${toolName}/10-snmp.conf"
-CONFIG_CRON="$WDIR/${toolName}/10-cron.conf"
-CONFIG_RNGD="$WDIR/${toolName}/10-rngd.conf"
-CONFIG_REMOTE="$WDIR/${toolName}/90-remote.conf"
+CONFIG_SNMP="${seq_origin}/${toolName}/10-snmp.conf"
+CONFIG_CRON="${seq_origin}/${toolName}/10-cron.conf"
+CONFIG_RNGD="${seq_origin}/${toolName}/10-rngd.conf"
+CONFIG_REMOTE="${seq_origin}/${toolName}/90-remote.conf"
 
 step_1_info() { echo "Install $toolName"; }
 step_1_alias() { echo "install"; }
@@ -27,14 +24,14 @@ step_2_info() { echo "Check configuration"; }
 step_2_alias() { echo "checkconf"; }
 step_2() {
   exe rsyslogd -N 1 -f "$toolConfig"
-  endReturn -o $? "Invalid $toolName configuration"
+  endReturn "Invalid $toolName configuration"
 }
 
 step_10_info() { echo "Reduce snmpd syslog messages"; }
 step_10_alias() { echo "snmpd"; }
 step_10() {
   addConf -s -f "$CONFIG_SNMP" "$CONFIG_SNMP_DEST"
-  endReturn -o $?
+  endReturn
 
   step checkconf
   exe service rsyslog restart
@@ -45,7 +42,7 @@ step_12_info() { echo "Reduce cron syslog messages"; }
 step_12_alias() { echo "cron"; }
 step_12() {
   addConf -s -f "$CONFIG_CRON" "$CONFIG_CRON_DEST"
-  endReturn -o $?
+  endReturn
 
   step checkconf
   exe service rsyslog restart
@@ -56,7 +53,7 @@ step_14_info() { echo "Reduce rngd syslog messages"; }
 step_14_alias() { echo "rngd"; }
 step_14() {
   addConf -s -f "$CONFIG_RNGD" "$CONFIG_RNGD_DEST"
-  endReturn -o $?
+  endReturn
 
   step checkconf
   exe service rsyslog restart
@@ -69,17 +66,17 @@ step_16_alias() { echo "remote"; }
 step_16() {
   local rex='^[0-9\.]+\:[0-9]+$'
   local remoteHost=""
-  # Check if string is a ipv4 address and port 
+  # Check if string is a ipv4 address and port
   if [[ "$2" =~ $rex ]] ; then
     remoteHost=$2
   else
     error -e "No valid IP:PORT detected: $2"
     return 1
-  fi 
+  fi
   addConf -s -f "$CONFIG_REMOTE" "$CONFIG_REMOTE_DEST"
-  endReturn -o $? "Custom remote host $remoteHost not applied to destination or check ${sqr_missingConf:-}"
+  endReturn "Custom remote host $remoteHost not applied to destination or check ${sqr_missingConf:-}"
   exe sed -i "s/12\.34\.56\.78\:514/${remoteHost}/" "$CONFIG_REMOTE_DEST"
-  endReturn -o $? "Couldn't apply $remoteHost to $CONFIG_REMOTE_DEST"
+  endReturn "Couldn't apply $remoteHost to $CONFIG_REMOTE_DEST"
 
   step checkconf
   exe service rsyslog restart
@@ -104,5 +101,7 @@ step_30() {
 SERVER_EOF
 }
 
+# shellcheck disable=SC2034 # Appears unused
 readonly sqr_minVersion=16
+# shellcheck disable=SC1091 # Don't follow this source
 . /usr/local/bin/sequencer.sh
diff --git a/seqs/snmp.sh b/seqs/snmp.sh
index 43d0bac..ac3094e 100755
--- a/seqs/snmp.sh
+++ b/seqs/snmp.sh
@@ -25,10 +25,10 @@ step_1() {
   else
     exe apt install $toolName
   fi
-  endReturn -o $? "$toolName installation failed"
+  endReturn "$toolName installation failed"
 }
 
-step_2_info() { 
+step_2_info() {
   echo "Setup snmp v3 access"
   echoinfo "  -s : Stop after creating authentication entry"
 }
@@ -50,9 +50,9 @@ step_2() {
       *)
         info
         info "Installation aborted"
-        return 1; 
+        return 1;
         ;;
-    esac 
+    esac
   fi
 
   read -p "SNMPv3 Username: " v3User
@@ -70,7 +70,7 @@ step_2() {
 
   # this line will be replaced on start of snmpd with a line starting with:
   # usmUser
-  v3AuthEntry="createUser ${v3User} SHA \"${v3Pass}\" DES" 
+  v3AuthEntry="createUser ${v3User} SHA \"${v3Pass}\" DES"
   addConf -a "$v3AuthEntry" "$v3AuthLoc"
 
   shift
@@ -113,7 +113,7 @@ step_5() {
   [ -n "${1:-}" ] && lInterface="$1"
   # Check if interface exists
   ip -br a | grep -E "^$lInterface" >>/dev/null 2>&1
-  endReturn -o $? "Interface $lInterface does not exist"
+  endReturn "Interface $lInterface does not exist"
 
   exe ufw allow in on $lInterface to any port 161 proto udp comment "snmp"
 }
@@ -127,7 +127,7 @@ step_20() {
   fi
 
   exe wget https://raw.githubusercontent.com/librenms/librenms-agent/master/snmp/raspberry.sh -O "${rpiExtendLoc}"
-  endReturn -o $? "Download failed"
+  endReturn "Download failed"
   exe chmod +x "$rpiExtendLoc"
 
   addConf -a "extend raspberry /etc/snmp/raspberry.sh" "$toolConfig"
@@ -146,13 +146,13 @@ rpiSudoersContent="${toolSysUser} ALL=(ALL) NOPASSWD: /etc/snmp/raspberry.sh, /u
 step_22_info() { echo "Extend $toolName with OS update availablity"; }
 step_22_alias() { echo "osupdate"; }
 step_22() {
-  checkExtend osupdate 
+  checkExtend osupdate
   if [ "$?" != "0" ]; then
     return 1
   fi
 
   exe wget https://raw.githubusercontent.com/librenms/librenms-agent/master/snmp/osupdate -O "${osUpdateExtendLoc}"
-  endReturn -o $? "Download failed"
+  endReturn "Download failed"
   exe chmod +x "$osUpdateExtendLoc"
   addConf -a "extend osupdate $osUpdateExtendLoc" "$toolConfig"
 
@@ -184,7 +184,7 @@ step_25() {
       exe bash -i
       info "Interactive shell ended. Continuing with $0."
       exe nginx -t
-      endReturn -o $? "Nginx configuration error"
+      endReturn "Nginx configuration error"
 
       exe service nginx restart
       ;;
@@ -211,7 +211,7 @@ step_26_alias() { echo "phpfpm_config"; }
 step_26() {
   exe sed -i "s/^;\(pm\.status_path\)/\1/" "$phpPoolConfigLoc"
   exe php-fpm${phpVersionStr} -t
-  endReturn -o $? "Invalid php configuration"
+  endReturn "Invalid php configuration"
 
   service php${phpVersionStr}-fpm restart
 }
@@ -227,7 +227,7 @@ step_27() {
   fi
 
   exe wget https://github.com/librenms/librenms-agent/raw/master/snmp/phpfpmsp -O "${phpfpmExtendLoc}"
-  endReturn -o $? "Download failed"
+  endReturn "Download failed"
   exe chmod +x "$phpfpmExtendLoc"
 
   addConf -a "extend phpfpmsp ${phpfpmExtendLoc}" "$toolConfig"
@@ -253,7 +253,7 @@ step_29() {
       exe bash -i
       info "Interactive shell ended. Continuing with $0."
       exe nginx -t
-      endReturn -o $? "Nginx configuration error"
+      endReturn "Nginx configuration error"
 
       exe service nginx restart
       ;;
@@ -279,7 +279,7 @@ step_30() {
   fi
 
   exe wget https://raw.githubusercontent.com/librenms/librenms-agent/master/snmp/nginx -O "${nginxExtendLoc}"
-  endReturn -o $? "Download failed"
+  endReturn "Download failed"
   exe chmod +x "$nginxExtendLoc"
 
   addConf -a "extend nginx ${nginxExtendLoc}" "$toolConfig"
@@ -293,9 +293,9 @@ step_32_info() { echo "Extend for postfix detailed and queue"; }
 step_32_alias() { echo "postfix"; }
 step_32() {
   exe wget https://github.com/librenms/librenms-agent/raw/master/snmp/postfix-queues -O "${postfixQueuesExtendLoc}"
-  endReturn -o $? "Download postfix-queues failed"
+  endReturn "Download postfix-queues failed"
   exe wget https://github.com/librenms/librenms-agent/raw/master/snmp/postfixdetailed -O "${postfixScript}"
-  endReturn -o $? "Download postfixdetailed failed"
+  endReturn "Download postfixdetailed failed"
 
   exe chmod +x "${postfixQueuesExtendLoc}"
   exe chmod +x "${postfixScript}"
@@ -352,7 +352,7 @@ step_37_info() { echo "Extend for fail2ban jail information"; }
 step_37_alias() { echo "fail2ban"; }
 step_37(){
   exe wget https://github.com/librenms/librenms-agent/raw/master/snmp/fail2ban -O "${fail2banExtendLoc}"
-  endReturn -o $? "Download postfix failed"
+  endReturn "Download postfix failed"
 
   exe chmod +x "$fail2banExtendLoc"
 
@@ -384,7 +384,7 @@ step_40() {
   fi
 
   exe wget https://raw.githubusercontent.com/librenms/librenms-agent/master/snmp/distro -O "${distroExtendLoc}"
-  endReturn -o $? "Download distro detection script failed"
+  endReturn "Download distro detection script failed"
   exe chmod +x "$distroExtendLoc"
 
   info "Create distro extend"
@@ -395,7 +395,7 @@ step_40() {
 distroExtendLoc="${toolConfigLoc}/distro"
 
 
-step_42_info() { 
+step_42_info() {
   echo "Gather dhcp information from a dhcpd lease file"
   echoinfo "pi-hole lease file not supported"
 }
@@ -409,10 +409,10 @@ step_42() {
   [ $? -ne 0 ] && return 0
 
   exe apt install dhcpd-pools ${sq_aptOpt}
-  endReturn -o $? "Install dhcpd-pools failed"
+  endReturn "Install dhcpd-pools failed"
 
   exe wget $locExtUrl -O "${locExtLoc}"
-  endReturn -o $? "Download $locExtName script failed"
+  endReturn "Download $locExtName script failed"
   exe chmod +x "$locExtLoc"
 
   info "Create extend for $locExtName"
@@ -421,7 +421,7 @@ step_42() {
   info "Create config for $locExtName"
   addConf -s "$dhcpExtendConfig" "$dhcpExtendConfigLoc"
 
-  echo " [W] Adapt config $dhcpExtendConfigLoc manually and restart snmpd"
+  warning "Adapt config $dhcpExtendConfigLoc manually and restart snmpd"
 }
 dhcpExtendConfigLoc="${toolConfigLoc}/dhcp.json"
 dhcpExtendConfig="{\"leasefile\": \"/var/lib/dhcp/dhcpd.leases\"
@@ -438,7 +438,7 @@ step_44() {
   [ $? -ne 0 ] && return 0
 
   exe wget $locExtUrl -O "${locExtLoc}"
-  endReturn -o $? "Download $locExtName script failed"
+  endReturn "Download $locExtName script failed"
   exe chmod +x "$locExtLoc"
 
   info "Create extend for $locExtName"
@@ -483,7 +483,7 @@ step_46() {
   exe apt install $piholeDeps ${sq_aptOpt}
 
   exe wget $locExtUrl -O "${locExtLoc}"
-  endReturn -o $? "Download $locExtName script failed"
+  endReturn "Download $locExtName script failed"
   exe chmod +x "$locExtLoc"
 
   info "Create extend for $locExtName"
@@ -493,7 +493,7 @@ step_46() {
     color red
     echo -e " [W] Check the following in the extend script and restart snmpd:\n"
   else
-    echo " [I] Check the follwing in the extend script:"
+    info "Check the follwing in the extend script:"
   fi
   echo "(API_AUTH_KEY) Add your pi-hole API key"
   echo "     (API_URL) and check the API URL"
@@ -562,9 +562,9 @@ checkExtend() {
 
   exep "cat \"$toolConfig\" | grep -e '^\s*extend\s\+${1}' >>/dev/null 2>&1"
   # Only warn if entry exists and dry-run is not seleted
-  if [ $? -eq 0 ] && ! dry ; then  
+  if [ $? -eq 0 ] && ! dry ; then
     return 1
-  fi 
+  fi
 
   return 0
 }
diff --git a/seqs/snmpd.conf b/seqs/snmpd.conf
index 12fe7e6..8753fbc 100644
--- a/seqs/snmpd.conf
+++ b/seqs/snmpd.conf
@@ -46,7 +46,7 @@ trapsink     localhost public
 
 #  Event MIB - automatically generate alerts
 # Remember to activate the 'createUser' lines above
-iquerySecName   internalUser       
+iquerySecName   internalUser
 rouser          internalUser
 
 #  AgentX Sub-agents
diff --git a/seqs/spamass.sh b/seqs/spamass.sh
index 3067eb8..ac5411e 100755
--- a/seqs/spamass.sh
+++ b/seqs/spamass.sh
@@ -22,7 +22,7 @@ CONFIG_FILE_TEMPLATE="$WDIR/${CONFIG_FILE_NAME}.example"
 #  #fi
 #}
 
-step_1_info() { 
+step_1_info() {
   echo "Install packages: $toolDeps"
   echoinfo "May take a long time"
 }
@@ -34,7 +34,7 @@ step_1() {
   fi
   exe apt update
   exe apt install $toolDeps $aptOpt
-} 
+}
 
 step_20_info() { echo "List spam/ham counts"; }
 step_20_alias() { echo "list"; }
diff --git a/seqs/ssh.sh b/seqs/ssh.sh
index a753365..a9162c5 100755
--- a/seqs/ssh.sh
+++ b/seqs/ssh.sh
@@ -20,7 +20,7 @@ step_3_alias() { echo "create"; }
 step_3() {
   exep "ssh-keygen -l -f $toolIdentity 2>>/dev/null"
   if [ $? -eq 0 ]; then
-    echo " [I] Using key found at $toolIdentity."
+    info "Using key found at $toolIdentity."
     return 0
   fi
   exe ssh-keygen -b 4096 -t rsa -C "$(hostname)" -N "" -f $(realpath $toolIdentity)
@@ -70,7 +70,7 @@ step_5() {
   exe ssh-copy-id -p ${sshPort} ${sshOption} ${sshHost}
 }
 
-step_10_info() { 
+step_10_info() {
   echo "Send command(ssh)/file(scp) list to remote(s)"
   echoinfo "[USER:HOST] and [PORT] are overwritten by \"host\" command from <CMDLIST>"
 }
@@ -105,7 +105,7 @@ step_10() {
 #   STRING2   h - port
 #             f - destination file path
 #             c - not used
-#   
+#
 #   OPTIONS   h - not used
 #             f - Options passed to scp
 #             c - not used
@@ -160,7 +160,7 @@ parseList() {
         if [ -z "$aHost" ]; then
           errorMsg="No host found"
           saveReturn 1
-        else 
+        else
           exe scp $lopt -P $aPort $lsrc ${aHost}:$ldst
           saveReturn $?
           errorMsg="scp to $aHost failed with $?"
diff --git a/seqs/synapse-admin.sh b/seqs/synapse-admin.sh
index 2d169f9..97c269c 100755
--- a/seqs/synapse-admin.sh
+++ b/seqs/synapse-admin.sh
@@ -40,7 +40,7 @@ step_1_info() { echo "Status"; }
 step_1_alias() { echo "status"; }
 step_1() {
   getVersions
-  if [[ -z "${versionNow}" ]] ; then 
+  if [[ -z "${versionNow}" ]] ; then
     info "Version ${versionNew} available to install"
   elif [[ ${versionNew} == ${versionNow} ]] ; then
     color green
@@ -57,7 +57,7 @@ step_10() {
   local loBackup="${sc_synadmLoc}.bu"
   local loTemp="/tmp/${toolName}.tar.gz"
 
-  # get download URL 
+  # get download URL
   getVersions
 
   if [[ -e "${sc_synadmLoc}" ]]; then
@@ -69,7 +69,7 @@ step_10() {
     exe mv "${loBackup}" "${sc_synadmLoc}" 2>/dev/null
   else
     exe tar -xf "${loTemp}" -C "$(dirname -- "${sc_synadmLoc}")"
-    endReturn -o $? "Extraction failed"
+    endReturn "Extraction failed"
     exe mv "$(dirname -- "${sc_synadmLoc}")/${toolName}-${versionNew}" "${sc_synadmLoc}"
     exe chown -R root: "${sc_synadmLoc}"
     info "Downloaded to ${sc_synadmLoc}"
@@ -90,7 +90,7 @@ server {
   server_name _;
 
   access_log /var/log/nginx/synapse_admin_access.log;
-  error_log /var/log/nginx/synapse_admin_error.log; 
+  error_log /var/log/nginx/synapse_admin_error.log;
 
   include /etc/nginx/ssl.conf;
   error_page 497 https://\$host:\$server_port\$request_uri;
diff --git a/seqs/torrentwatch.sh b/seqs/torrentwatch.sh
index 70f8369..305743f 100755
--- a/seqs/torrentwatch.sh
+++ b/seqs/torrentwatch.sh
@@ -127,11 +127,11 @@ step_30() {
     return 1
   fi
 
-  echo " [I] Upgrading data"
+  info "Upgrading data"
   exe mv "$toolConfigLoc/lib" "$toolConfigLoc/lib_bu"
   exe cp -ar "$gitLibLoc/lib" "$toolConfigLoc/"
 
-  echo " [I] Upgrading html"
+  info "Upgrading html"
   exe mv "$toolHtmlLoc" "${toolHtmlLoc}_bu"
   exe cp -ar "$gitHtmlLoc" "$toolHtmlLoc"
   exe cp -arL "$toolBackupLoc/config.php" "$toolHtmlLoc"
diff --git a/seqs/tvheadend.sh b/seqs/tvheadend.sh
index df74ce5..b9a47ac 100755
--- a/seqs/tvheadend.sh
+++ b/seqs/tvheadend.sh
@@ -16,7 +16,7 @@ step_1() {
 
   echo -n "Downloading tvheadend repository key ... "
   exe wget -qO- https://doozer.io/keys/tvheadend/tvheadend/pgp | sudo apt-key add -
-  endReturn -o $? "Download of repository key failed"
+  endReturn "Download of repository key failed"
 
   addConf -c "$sourceEntry" "$sourceList"
 }
diff --git a/seqs/ufw.sh b/seqs/ufw.sh
index e328318..fd0ccfe 100755
--- a/seqs/ufw.sh
+++ b/seqs/ufw.sh
@@ -69,7 +69,7 @@ step_23() {
 }
 
 step_26_info() {
-  echo "Allow cifs mounts on eth0" 
+  echo "Allow cifs mounts on eth0"
   echoinfo " [PORT] (default 445)"
   echoinfo "  139  : Cifs version 1.0"
   echoinfo "  445  : Cifs version 2.0+"
diff --git a/seqs/vim.sh b/seqs/vim.sh
index 7293d97..6f3bbde 100755
--- a/seqs/vim.sh
+++ b/seqs/vim.sh
@@ -44,13 +44,13 @@ step_3() {
   local ecUrl='https://github.com/editorconfig/editorconfig-vim.git'
   if [ ! -e "$ecDir" ]; then
     info "Installing editorconfig plugin"
-    exe mkdir -p "$ecDir" 
+    exe mkdir -p "$ecDir"
     exe cd "$ecDir"
     exe git clone "$ecUrl"
   else
     info "Upgrading editorconfig plugin"
     exe cd "$ecDir"
-    exe git pull 
+    exe git pull
   fi
 }
 
diff --git a/seqs/webserverUbuntu.sh b/seqs/webserverUbuntu.sh
index 610777d..1db762c 100755
--- a/seqs/webserverUbuntu.sh
+++ b/seqs/webserverUbuntu.sh
@@ -6,7 +6,7 @@ phpVersion="7.3"
 phpName="php$phpVersion"
 phpPackages="${phpName}-fpm ${phpName}-json ${phpName}-mysql ${phpName}-curl ${phpName}-intl ${phpName}-gd ${phpName}-zip ${phpName}-xml ${phpName}-mbstring php-imagick php-apcu"
 
-step_1_info() { 
+step_1_info() {
   echo "Installation of $serverName packages:"
   echoinfo "$serverPackages"
 }
@@ -14,7 +14,7 @@ step_1_alias() { echo "install"; }
 step_1() {
   exe apt update
   exe apt install $serverPackages
-  endReturn -o $? "Server package installation error"
+  endReturn "Server package installation error"
 }
 
 step_2_info() { echo "Basic nginx configuration for initial letsencrypt certificate creation"; }
@@ -31,12 +31,12 @@ step_2() {
     exe apt install nginx
   fi
 
-  # create webroot 
+  # create webroot
   exe mkdir -p "$siteLetsencryptWww"
 
   echo -n " [I] Restarting Nginx ... "
   exe service nginx restart && echo "ok"
-  endReturn -o $? "Nginx error during startup"
+  endReturn "Nginx error during startup"
 }
 snippetLetsencryptLoc="/etc/nginx/snippets/letsencrypt.conf"
 siteLetsencryptWww="/var/www/letsencrypt"
@@ -49,7 +49,7 @@ siteDefaultLoc="/etc/nginx/sites-available/default"
 siteDefaultIp4="server {
   listen 80 default_server;
 
-  include ${snippetLetsencryptLoc}; 
+  include ${snippetLetsencryptLoc};
 }"
 
 step_3_info() {
@@ -58,7 +58,7 @@ step_3_info() {
 }
 step_3() {
   exe apt install $phpPackages
-  endReturn -o $? "$phpName error during startup"
+  endReturn "$phpName error during startup"
 }
 phpFpmConfigLocation="/etc/php/${phpVersion}/fpm/conf.d/90-custom_pi.ini"
 phpFpmConfig="\
@@ -88,7 +88,7 @@ step_4() {
 
   echo -n "Restarting ${phpName} ..."
   exe service ${phpName}-fpm restart
-  endReturn -o $? "$phpName error during restart"
+  endReturn "$phpName error during restart"
   echo "ok"
 }
 
diff --git a/seqs/whoogle.sh b/seqs/whoogle.sh
index 3a8bc64..ab0f6f7 100755
--- a/seqs/whoogle.sh
+++ b/seqs/whoogle.sh
@@ -40,7 +40,7 @@ step_20() {
   exe apt-get install "${toolDeps[@]}" ${sq_aptOpt}
   info "Installing ${toolName} from ${sq_gitUrl}"
   exe git clone "${sq_gitUrl}" "${sc_whoogleDir:?}"
-  endReturn -o $? "Cloning ${toolName} failed"
+  endReturn "Cloning ${toolName} failed"
 
   exe cd "${sc_whoogleDir:?}"
   exe python3 -m venv venv
@@ -84,7 +84,7 @@ step_30_info() { echo "Upgrade installation using git"; }
 step_30_alias() { echo "upgrade"; }
 step_30() {
   exe cd "${sc_whoogleDir:?}"
-  endReturn -o $? "${toolName} doesn't seam to be installed"
+  endReturn "${toolName} doesn't seam to be installed"
   exe service "${toolName}" stop
   exe git pull
 }
diff --git a/seqs/wireguard.sh b/seqs/wireguard.sh
index 0c53df5..b90a8a8 100755
--- a/seqs/wireguard.sh
+++ b/seqs/wireguard.sh
@@ -1,33 +1,14 @@
 #!/bin/bash
 
-toolName=wireguard
-toolBin=wg
-toolDefaultConf=wg0
-toolService=wg-quick@$toolDefaultConf
-
-# Get script working directory
-# (when called from a different directory)
-WDIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" >>/dev/null 2>&1 && pwd )"
-CONFIG=0
-CONFIG_FILE_NAME="${toolName}.cfg"
-CONFIG_FILE_TEMPLATE="$WDIR/${CONFIG_FILE_NAME}.example"
-
-#step_config() {
-#echo "Called once before executing steps."
-## e.g. to source a config file manually:
-#. "$CONFIG_FILE"
-## or to use sequencer api:
-#initSeqConfig "$CONFIG_FILE_NAME" "$CONFIG_FILE_TEMPLATE"
-#if [ $? -eq 0 ] ; then
-#  CONFIG=1
-#fi
-#}
+readonly toolName=wireguard
+readonly toolDefaultConf=wg0
+readonly toolService=wg-quick@$toolDefaultConf
 
 step_1_info() { echo "Prepare installation of $toolName"; }
-step_1_alias() { echo "install"; }
+step_1_alias() { echo "setup"; }
 step_1() {
   exe apt install raspberrypi-kernel-headers
-  endReturn -o $? "Installation of kernel headers failed"
+  endReturn "Installation of kernel headers failed"
   addConf -s "deb http://deb.debian.org/debian/ unstable main" "/etc/apt/sources.list.d/unstable.list"
   exep "wget -O - https://ftp-master.debian.org/keys/archive-key-$(lsb_release -sr).asc | sudo apt-key add -"
   addConf -s "$pinEntry" "/etc/apt/preferences.d/limit-unstable"
@@ -38,6 +19,7 @@ Pin: release a=unstable
 Pin-Priority: 150"
 
 step_2_info() { echo "Installing $toolName"; }
+step_2_alias() { echo "install"; }
 step_2() {
   local aptOpt=""
   if quiet ; then
@@ -46,7 +28,7 @@ step_2() {
   exe apt install $toolName $aptOpt
 }
 
-step_3_info() { 
+step_3_info() {
   echo "Enable ipv4 forwarding to allow local access via VPN"
   echoinfo "(may be skipped)"
 }
@@ -82,12 +64,7 @@ step_14() {
 }
 defaultConfLoc="/etc/$toolName/$toolDefaultConf.conf"
 
-
-step_20_info() { echo "Usage notes"; }
-step_20() {
-  echo " [I] Some usage Notes"
-}
-
-
+# shellcheck disable=SC2034 # Appears unused
 readonly sqr_minVersion=16
+# shellcheck disable=SC1091 # Don't follow this source
 . /usr/local/bin/sequencer.sh