diff --git a/seqs/webserver.sh b/seqs/webserver.sh
index c1bd6c2..4c24cdf 100755
--- a/seqs/webserver.sh
+++ b/seqs/webserver.sh
@@ -1,52 +1,56 @@
 #!/bin/bash
 
 serverName="nginx"
+serverPackages="nginx"
 databaseName="mariadb"
-phpPackages="php7.0-fpm php7.0-json php7.0-mysql php7.0-curl php7.0-intl php7.0-mcrypt php7.0-gd php7.0-zip php7.0-xml php7.0-mbstring php-imagick php-apcu"
+databasePackages="mariadb-server mariadb-client"
+phpName="php7.0"
+phpPackages="${phpName}-fpm ${phpName}-json ${phpName}-mysql ${phpName}-curl ${phpName}-intl ${phpName}-mcrypt ${phpName}-gd ${phpName}-zip ${phpName}-xml ${phpName}-mbstring php-imagick php-apcu"
 
-step_1_info() { echo "Installation of $serverName and $databaseName"; }
+step_1_info() { echo -e "Installation of $serverName and ${databaseName} packages:\n                $serverPackages $databasePackages"; }
 step_1_alias() { ALIAS=install; }
 step_1() {
   apt update
-  apt install mariadb-server mariadb-client
+  apt install $databasePackages
   saveReturn $?
   endReturn
-  apt install nginx
+  apt install $serverPackages
   saveReturn $?
 }
 
-step_2_info() { echo "Basic nginx configuration for initial letsencrypt reception"; }
+step_2_info() { echo "Basic nginx configuration for initial letsencrypt certificate creation"; }
 step_2() {
-  echo "$siteLetsencrypt" > "$siteLetsencryptLoc"
-  cp -ar "$siteDefaultLoc" "$siteDefaultLoc".bck
-  read -p "Enter your domain: " siteName
-  setMyDomain $siteName
+  # Writing acme-challenge code snipped for certbot web root authentication
+  addConf "$snippetLetsencrypt" "$snippetLetsencryptLoc"
+  
+  # Writing minimal default (see below)
+  addConf "$siteDefaultIp4" "$siteDefaultLoc"
+  
+  # try fix errors on first install attempt
+  # (possible missing ipv6 support on system)
   if [ $ERNO -ne 0 ] ; then
     apt install nginx
   fi
-  mkdir -p /var/www/letsencrypt
-  echo "Restarting Nginx ..."
-  service nginx restart
+ 
+  # create webroot 
+  mkdir -p "$siteLetsencryptWww"
+
+  echo -n "Restarting Nginx ... "
+  service nginx restart && echo "ok"
+  saveReturn $?
+  endReturn
 }
 
-setMyDomain() {
-  echo -n "$siteDefaultIp4" > "$siteDefaultLoc"
-  echo -n "$1" >> "$siteDefaultLoc"
-  echo "$siteDefaultIp42" >> "$siteDefaultLoc"
-}
-siteLetsencryptLoc="/etc/nginx/snippets/letsencrypt.conf"
-siteLetsencrypt="\
+snippetLetsencryptLoc="/etc/nginx/snippets/letsencrypt.conf"
+siteLetsencryptWww="/var/www/letsencrypt"
+snippetLetsencrypt="\
 location ^~ /.well-known/acme-challenge/ {
   default_type \"text/plain\";
-  root /var/www/letsencrypt;
+  root ${siteLetsencryptWww};
 }"
 siteDefaultLoc="/etc/nginx/sites-available/default"
 siteDefaultIp4="server {
-  listen 80;
-  #listen [::]:80;
-
-  server_name "
-siteDefaultIp42=";
+  listen 80 default_server;
 
   include ${siteLetsencryptLoc}; 
 }"
@@ -58,7 +62,8 @@ step_3() {
 
 step_4_info() { echo "Mariadb configuration"; }
 step_4() {
-  echo "$mariadbConfig" > "$mariadbConfigLoc"
+  addConf "$mariadbConfig" "$mariadbConfigLoc"
+  
   echo -n "Restarting mysql ... "
   service mysql restart && echo "ok"
 }
@@ -74,7 +79,7 @@ lower_case_table_names=0
 
 #innodb_force_recovery=6"
 
-step_5_info() { echo "Installation of PHP7.0"; }
+step_5_info() { echo -e "Installation of $phpName packages:\n                $phpPackages"; }
 step_5() {
   apt install $phpPackages
 }
@@ -100,15 +105,82 @@ phpCliConfigLocation="/etc/php/7.0/cli/conf.d/90-custom_pi.ini"
 phpCliConfig="\
 date.timezone = Europe/Berlin"
 
-step_6_info() { echo "Configuration of PHP fpm and cli"; }
+step_6_info() { echo -e "Configuration of ${phpName} fpm and cli\n"; }
 step_6() {
-  echo -n "Writing $phpFpmConfigLocation ... "
-  echo "$phpFpmConfig" > "$phpFpmConfigLocation" && echo "ok"
-  echo -n "Writing $phpCliConfigLocation ... "
-  echo "$phpCliConfig" > "$phpCliConfigLocation" && echo "ok"
-  service php7.0-fpm restart
+  addConf "$phpFpmConfig" "$phpFpmConfigLocation"
+  addConf "$phpCliConfig" "$phpCliConfigLocation"
+
+  echo "Restarting ${phpName} ... "
+  service ${phpName}-fpm restart && echo "ok"
 }
 
+step_10_info() { echo -e "Create mysql database without specific characterset\n"; }
+step_10_alias() { ALIAS="createdb"; }
+step_10() {
+  local mysqlDatabase
+  local mysqlUser
+  local mysqlPass
+
+  echo "Existing mysql databases:"
+  mysql -u root -e 'SHOW DATABASES;'
+
+  read -p "Enter database name: " mysqlDatabase
+  endCheckEmpty mysqlDatabase "database name"
+  mysql -u root -e 'CREATE DATABASE '$mysqlDatabase';'
+  saveReturn $?
+  endReturn
+
+  echo "Existing mysql user:"
+  mysql -u root -e 'SELECT User, Host FROM mysql.user;'
+  read -p "Enter mysql user name: " mysqlUser
+  endCheckEmpty mysqlDatabase "user name"
+
+  read -p "Enter mysql user password: " mysqlPass
+  endCheckEmpty mysqlPass "password"
+  mysql -u root -e 'CREATE USER '"'"$mysqlUser"'"'@'"'"'localhost'"'"' IDENTIFIED BY '"'"$mysqlPass"'"';'
+  saveReturn $?
+  endReturn
+
+  mysql -u root -e 'GRANT ALL PRIVILEGES ON '$mysqlDatabase'.* TO '"'"$mysqlUser"'"'@'"'"'localhost'"'"';'
+  saveReturn $?
+  endReturn
+
+  mysql -u root -e 'FLUSH PRIVILEGES;'
+}
+
+step_12_info() { echo -e "Create mysql database with characterset utf8mb4\n"; }
+step_12_alias() { ALIAS="createdb_utf8mb4"; }
+step_12() {
+  local mysqlDatabase
+  local mysqlUser
+  local mysqlPass
+
+  echo "Existing mysql databases:"
+  mysql -u root -e 'SHOW DATABASES;'
+
+  read -p "Enter database name: " mysqlDatabase
+  endCheckEmpty mysqlDatabase "database name"
+  mysql -u root -e 'CREATE DATABASE '$mysqlDatabase' CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;'
+  saveReturn $?
+  endReturn
+
+  echo "Existing mysql user:"
+  mysql -u root -e 'SELECT User, Host FROM mysql.user;'
+  read -p "Enter mysql user name: " mysqlUser
+  endCheckEmpty mysqlDatabase "user name"
+
+  read -p "Enter mysql user password: " mysqlPass
+  endCheckEmpty mysqlPass "password"
+  mysql -u root -e 'CREATE USER '"'"$mysqlUser"'"'@'"'"'localhost'"'"' IDENTIFIED BY '"'"$mysqlPass"'"';'
+  saveReturn $?
+  endReturn
+
+  mysql -u root -e 'GRANT ALL PRIVILEGES ON '$mysqlDatabase'.* TO '"'"$mysqlUser"'"'@'"'"'localhost'"'"';'
+  saveReturn $?
+  endReturn
+
+  mysql -u root -e 'FLUSH PRIVILEGES;'
+}
 
 VERSION_SEQREV=2
 . sequencer.sh