193 lines
5.0 KiB
Bash
Executable File
193 lines
5.0 KiB
Bash
Executable File
#!/bin/bash
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### installer for nanodesk
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### By: DeltaLima
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### 2023
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###
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### this is just a hobby, nothing serious. i know the debian installer and other
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### exist, but i wanted to try some handcrafted installation.
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CHROOTCMD="chroot /mnt/"
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##message () {
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## echo "== " $1
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##}
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# colors for colored output 8)
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RED="\e[31m"
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GREEN="\e[32m"
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YELLOW="\e[33m"
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ENDCOLOR="\e[0m"
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function message() {
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case $1 in
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warn)
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MESSAGE_TYPE="${YELLOW}WARN${ENDCOLOR}"
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;;
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error)
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MESSAGE_TYPE="${RED}ERROR${ENDCOLOR}"
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;;
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info|*)
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MESSAGE_TYPE="${GREEN}INFO${ENDCOLOR}"
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;;
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esac
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if [ "$1" == "info" ] || [ "$1" == "error" ]
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then
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MESSAGE=$2
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else
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MESSAGE=$1
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fi
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echo -e "[${MESSAGE_TYPE}] $MESSAGE"
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}
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error () {
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message error "ERROR!"
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exit 1
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}
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finish () {
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message "removing firststart dialoge from jwm config"
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$CHROOTCMD /usr/bin/sed -i '/firstlogin\/welcome/d' /etc/jwm/system.jwmrc || error
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message "removing installer files from target"
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$CHROOTCMD /usr/bin/rm -Rf /root/install_nanodesk.sh /root/kernel_deb || error
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message "removing live-packages from target"
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$CHROOTCMD /usr/bin/apt -y purge 'live-boot*' 'live-tools*'
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message "autoremove unneeded dependencies"
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$CHROOTCMD /usr/bin/apt -y autoremove
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message "we are now ready to boot from $target"
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exit 0
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}
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if [ "$1" == "--help" ] || [ -z "$1" ]
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then
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echo "Usage: $0 [OPTION] TARGETDEVICE
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Example: $0 /dev/sda1
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TARGETDEVICE: blockdevice already formatted with filesystem like ext4
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Options:
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--help: Show this helptext
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$0 trys to install grub into the mbr of the given targetdevice.
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We simply cut the last character away from the targetdevice,
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so /dev/sda1 gets /dev/sda, where grub will be installed."
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exit 1
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fi
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target="$1"
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if [ ! -b "$target" ]
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then
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message "$target does not exist or is not a blockdevice."
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error
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fi
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message " ----==== nanodesk Installer ====----"
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message "Make sure you have a linux compatible filesystem at $target"
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message "!! The installer immediately begins to write things to disk !!"
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message "!! The installer only works reliable with legacy BIOS boot !!"
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message
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message "I will mount $target to /mnt/. I try to install grub to ${target::-1}"
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message
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message "Are you sure to install nanodesk to $target?"
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message "To continue type 'YES' and enter, to cancel type anything else or CTRL+C"
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read -p "> " DOINSTALL
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test "$DOINSTALL" == "YES" || error
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message "... GOOD LUCK!"
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message "mounting $target to /mnt/"
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mount $target /mnt || error
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message "copy systemfiles"
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rsync -aHx / /mnt/ || error
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message "bind mount dev proc sys"
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for m in dev proc sys
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do
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mount -o bind /$m /mnt/$m || error
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done
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message "creating /boot directory"
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mkdir -p /mnt/boot/ || error
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message "create tmp script for reinstalling grub and kernel"
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cat <<\EOF > /mnt/tmp/reinstall_kernel.sh
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DEBIAN_FRONTEND=noninteractive
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export DEBIAN_FRONTEND
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#/usr/bin/apt --yes purge 'linux-image-*' 'grub-*'
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/usr/bin/apt --yes --reinstall install \
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linux-image-amd64 \
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%KERNEL_VER% \
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grub-pc grub-pc-bin \
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grub-common \
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grub2-common \
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os-prober
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EOF
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message "install kernel and grub"
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$CHROOTCMD /bin/bash /tmp/reinstall_kernel.sh || error
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message "modify /etc/default/grub"
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$CHROOTCMD /usr/bin/sed -i 's/GRUB_DISTRIBUTOR=.*/GRUB_DISTRIBUTOR=\"nanodesk \`cat \/usr\/share\/nanodesk\/version\`\"/g' /etc/default/grub
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message "grub-install $target"
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$CHROOTCMD grub-install ${target::-1} || error
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message "create initramfs"
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$CHROOTCMD /usr/sbin/update-initramfs.orig.initramfs-tools -k all -c || error
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message "update-grub"
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$CHROOTCMD /usr/sbin/update-grub || error
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message "create fstab"
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echo "UUID=$(blkid -o value -s UUID $target) / $(blkid -o value -s TYPE $target) defaults 0 1" >> /mnt/etc/fstab
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message "activating swap if present in fstab"
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SWAP="$(blkid -o list | grep swap | awk '{print $5}')"
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test -n "$SWAP" && echo "UUID=$SWAP none swap defaults 0 0" >> /mnt/etc/fstab
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message "Cleanup and create own [U]ser or [K]eep everything as it is?"
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read -p "> " USERSTEP
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STEPFINISH=0
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while [ $STEPFINISH != 1 ]
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do
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case $USERSTEP in
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u|U)
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message "please change root pw"
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$CHROOTCMD /usr/bin/passwd root || error
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message "deleting user 'debian'"
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$CHROOTCMD /usr/bin/id -u debian && $CHROOTCMD /usr/sbin/userdel -f debian || error
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message "removing user 'debian' from sudoers"
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$CHROOTCMD /usr/bin/sed -i '/^debian/d' /etc/sudoers || error
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message "please enter a name for a new user"
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read -p "> " NEWUSER
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$CHROOTCMD /usr/sbin/adduser $NEWUSER || error
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message "adding $NEWUSER to sudo group"
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$CHROOTCMD /usr/sbin/usermod -G sudo $NEWUSER || error
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$CHROOTCMD /usr/bin/ln -s -f /usr/share/nanodesk/pixmaps/nanodesk-installed.xpm /usr/share/nanodesk/pixmaps/nanodesk.xpm || error
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$CHROOTCMD /usr/bin/ln -s -f /usr/share/nanodesk/pixmaps/nanodesk-bw-installed.xpm /usr/share/nanodesk/pixmaps/nanodesk-bw.xpm || error
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STEPFINISH=1
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;;
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k|K)
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finish
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;;
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esac
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done
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finish
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