306 lines
7.1 KiB
Bash
Executable File
306 lines
7.1 KiB
Bash
Executable File
#!/bin/bash
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# Collection of setup steps for a new raspberry pi
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# (e.g. boot from HD, disable swap file, ...)
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# Get script working directory
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# (when called from a different directory)
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WDIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" >>/dev/null 2>&1 && pwd )"
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#CONFIG_FILE="$WDIR/${toolName}.cfg"
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#CONFIG_FILE_DEFAULT="${CONFIG_FILE}.example"
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osName=
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distName=
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step_config() {
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if [ "$(which lsb_release)" == "" ] ; then
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echoerr " [W] Cannot detect OS. Assuming Ubuntu"
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osName="Ubuntu"
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else
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osName=$(lsb_release -is)
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distName=$(lsb_release -cs)
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fi
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if [ "$osName" == "" ] ; then
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echoerr " [W] Error dedecting OS. Assuming Ubuntu"
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osName="Ubuntu"
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fi
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echo " [I] Detected OS: $osName $distName"
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}
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SDDEV=
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SDBOOT=
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SDROOT=
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SDROOTPUUID=
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HDDEV=
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HDROOT=
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HDROOTPUUID=
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step_1_info() { echo "Download latest raspbian lite image from"
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echoinfo "$downUrl"; }
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step_1_alias() { ALIAS="setup"; }
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step_1() {
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if [ ! -f "$downLoc" ] ; then
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exe wget "$downUrl" -O "$downLoc"
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echo -ne " [I] sha256 sum of download:\n "
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exe sha256sum "$downLoc"
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fi
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downImgName="${downDir}/$(zipinfo -1 "$downLoc")"
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if [ ! -f "$downImgName" ] ; then
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exe unzip "$downLoc" -d "$downDir"
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endReturn -o $? "Unzip raspbian image failed"
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fi
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}
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downUrl="https://downloads.raspberrypi.org/raspbian_lite_latest"
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downImgName=""
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downDay=$(date +%Y%m%d)
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downDir="/tmp"
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downLoc="${downDir}/raspbian_$downDay.zip"
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step_2_info() { echo -n "Write raspbian image to SD card "
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if [ -z $2 ] ; then echo "[SD CARD DEVICE]"; else echo "$2"; fi
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echoinfo "This operation will delete all data previously on the SD card!"
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}
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step_2_alias() { ALIAS="writesd"; }
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step_2() {
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if [ "$downImgName" == "" ] ; then
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# called again to make sure $downImgName is populated
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step setup
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fi
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if [ ! -f "$downImgName" ] ; then
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echoerr " [E] No raspian image found"
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return 1
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fi
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read_sd_dev "$2"
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# check if device was confirmed
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if [ $? -ne 0 ] ; then
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echoerr " [E] SD card device not found"
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return 1
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fi
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# write image
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exe dd bs=4M if="$downImgName" of="$SDDEV" conv=fsync
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endReturn -o "$?" "Writing image to $SDDEV failed"
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exe sync
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# SD partitions will have new informations now
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# Leave SD card device intact for next step
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SDBOOT=""
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SDROOT=""
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# TODO ? automatic remount
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echoerr " [W] Please remove SD now and plug it back in."
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exe read -p " Press enter to contiue."
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}
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step_3_info() { echo "Prepare SD for first run [SD CARD DEVICE]"; }
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step_3() {
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if [ -z $2 ] && [ ! -z $SDDEV ] ; then
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if [ $QUIET -ne 0 ] ; then
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answer="n"
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else
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exe lsblk -p "$SDDEV"
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echo
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exe read -p "Is $SDDEV still the SD card (y/[n])? " answer
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fi
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case $answer in
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[yY])
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# Nothing todo
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;;
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*)
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SDDEV=""
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;;
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esac
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fi
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read_sd_dev "$2"
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endReturn -o $? "SD card device not found"
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if [ ! -w "$SDBOOT" ] ; then
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echoerr " [E] SD card boot partion not writeable"
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return 1
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fi
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# enable systemd ssh service
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echo " [I] Enable SSH access"
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exe touch "$SDBOOT"/ssh
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# save SD boot settings for easy emergency start from SD
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echo " [I] Save SD card boot information for later use"
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exe cp -ar "$SDBOOT"/cmdline.txt "$SDBOOT"/cmdline.txt.sd
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exe cp -ar "$SDROOT"/etc/fstab "$SDROOT"/etc/fstab.sd
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}
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step_4_info() {
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local sd="[SD CARD DEVICE]"
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local hd="[HD DEVICE]"
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if [ ! -z $2 ] ; then
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sd="SD: \"$2\""
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fi
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if [ ! -z $3 ] ; then
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hd="HD: \"$3\""
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fi
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echo "TODO Prepare $sd to boot from $hd"
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}
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step_4_alias() { ALIAS="hdboot"; }
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step_4() {
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#TODO
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echoerr " [E] Not ready yet...TODO"
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#return 1
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read_sd_dev "$2"
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endReturn -o $? "SD detection error $?"
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echo " [I] SD: $SDDEV"
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echo " $SDBOOT"
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echo " $SDROOT"
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echo " $SDROOTPUUID"
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read_hd_dev "$3"
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endReturn -o $? "HD detection error"
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echo " [I] HD: $HDDEV"
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echo " $HDROOT"
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echo " $HDROOTPUUID"
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echo
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echo " [I] modify PARTUUID of $SDBOOT/cmdline.txt"
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echo " root=PARTUUID=******00-01"
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}
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step_20_info() { echo "Disable swap file and remove it"; }
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step_20_alias() { ALIAS="disableswap"; }
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step_20() {
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exe swapoff -a
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exe systemctl disable dphys-swapfile
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exe rm -rf "$rpiSwapFile"
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echoerr " [W] Reboot to apply changes"
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if [ $QUIET -eq 0 ] ; then
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exe read -p " Reboot now ([n]/y)? " answer
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case $answer in
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[yY])
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echoerr " [I] Rebooting now ..."
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exe reboot
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;;
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*)
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;;
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esac
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fi
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}
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rpiSwapFile="/var/swap"
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step_22_info() { echo "Resize second SD card partition [MOUNTPOINT]"; }
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step_22_alias() { ALIAS="resizesd"; }
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step_22() {
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local mountP="$resizeMount"
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if [ ! -z $2 ] && [ "$2" != "" ] && [ "$2" != "/" ] ; then
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mountP=$2
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fi
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exe umount -q "$mountP"
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exe parted -s "$resizeDevice" "resizepart $resizePartNo -1" quit
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exe resize2fs "$resizePart"
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exe mount "$mountP"
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}
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resizeMount="/backup"
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resizeDevice="/dev/mmcblk0"
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resizePartNo=2
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resizePart="${resizeDevice}p${resizePartNo}"
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step_24_info() {
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echo "Turn off power LED [OPTION]"
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echoinfo " [OPTION]"
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echoinfo " -p : Turn off permanentely (/etc/rc.local)"
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}
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step_24_alias() { ALIAS="powerledoff"; }
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step_24() {
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exep "${ledOffCmd}"
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if [ ! -z $2 ] ; then
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exep "grep \"$ledPowerBright\" $startScript >>/dev/null"
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if [ $? -eq 0 ] ; then
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echo " [I] Power LED brightness already used. Please check $startScript manually for:"
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echo " $ledOffCmd"
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return 1
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fi
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exe sed -i "s/^exit 0/# Turn off power LED/" "$startScript"
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exep "echo \"${ledOffCmd}\" >> $startScript"
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exep "echo -e \"\nexit 0\" >> $startScript"
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fi
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}
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startScript="/etc/rc.local"
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ledPowerBright="/sys/class/leds/led1/brightness"
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ledOffCmd="sudo sh -c 'echo 0 > ${ledPowerBright}'"
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step_26_info() { echo "Restart network without reboot"; }
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step_26_alias() { ALIAS="netrestart"; }
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step_26() {
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exep "sudo ip link set eth0 down && sudo ip link set eth0 up"
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}
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read_sd_dev() {
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local partExt=""
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if [ ! -z "$1" ] ; then
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SDBOOT=
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SDROOT=
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SDROOTPUUID=
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SDDEV="$1"
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elif [ -z $SDDEV ] || [ ! -b "$SDDEV" ] ; then
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SDDEV=
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SDBOOT=
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SDROOT=
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SDROOTPUUID=
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echo " [I] Available devices:"
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echo
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exe lsblk -p
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echo
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exe read -p "Provide SD card device (e.g. /dev/sdb): " SDDEV
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fi
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if [ ! -b "$SDDEV" ] ; then
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SDDEV=
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return 1
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fi
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if [ "$osName" == "Raspbian" ] ; then
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partExt="p"
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fi
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if [ -z $SDBOOT ] ; then
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SDBOOT=$(findmnt -no TARGET "${SDDEV}${partExt}1")
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fi
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if [ -z $SDROOT ] ; then
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SDROOT=$(findmnt -no TARGET "${SDDEV}${partExt}2")
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fi
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if [ -z $SDROOTPUUID ] ; then
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SDROOTPUUID=$(findmnt -no PARTUUID "${SDDEV}${partExt}2")
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fi
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}
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read_hd_dev() {
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if [ ! -z "$1" ] ; then
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HDROOT=
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HDROOTPUUID=
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HDDEV="$1"
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elif [ -z $HDDEV ] || [ ! -b "$HDDEV" ] ; then
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HDROOT=
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HDROOTPUUID=
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echo " [I] Available devices:"
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echo
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exe lsblk -p
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echo
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exe read -p "Provide HD device (e.g. /dev/sdf): " HDDEV
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fi
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if [ ! -b "$HDDEV" ] ; then
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HDDEV=
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return 1
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fi
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if [ -z $HDROOT ] ; then
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HDROOT=$(findmnt -no TARGET "${HDDEV}1")
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fi
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if [ -z $HDROOTPUUID ] ; then
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HDROOTPUUID=$(findmnt -no PARTUUID "${HDDEV}1")
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fi
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}
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VERSION_SEQREV=9
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. /usr/local/bin/sequencer.sh
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