274 lines
8.0 KiB
Bash
274 lines
8.0 KiB
Bash
#!/bin/bash
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set -x
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set -e
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export HOME=/root
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export LC_ALL=C
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function setup_sources_list () {
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echo "Setting up sources.list"
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cat <<EOF > $CHROOT_DIR/etc/apt/sources.list
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deb http://us.archive.ubuntu.com/ubuntu/ noble main restricted universe multiverse
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deb-src http://us.archive.ubuntu.com/ubuntu/ noble main restricted universe multiverse
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deb http://us.archive.ubuntu.com/ubuntu/ noble-security main restricted universe multiverse
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deb-src http://us.archive.ubuntu.com/ubuntu/ noble-security main restricted universe multiverse
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deb http://us.archive.ubuntu.com/ubuntu/ noble-updates main restricted universe multiverse
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deb-src http://us.archive.ubuntu.com/ubuntu/ noble-updates main restricted universe multiverse
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EOF
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apt update -y
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apt-get -y upgrade
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}
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function configure_divert() {
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echo "Configuring divert"
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dbus-uuidgen > /etc/machine-id
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ln -fs /etc/machine-id /var/lib/dbus/machine-id
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dpkg-divert --local --rename --add /sbin/initctl
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ln -s /bin/true /sbin/initctl
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}
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function mount_proc_sys_dev() {
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echo "Mounting proc, sys and dev"
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mount -t proc proc /proc
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mount -t sysfs sys /sys
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mount -t devpts devpts /dev/pts
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}
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function install_packages() {
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echo "Installing packages"
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apt install -y $@
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}
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function set_pkg_configuration() {
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echo "keyboard-configuration keyboard-configuration/layout select Spanish" | debconf-set-selections
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echo "keyboard-configuration keyboard-configuration/variant select Spanish" | debconf-set-selections
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echo "keyboard-configuration keyboard-configuration/xkb-keymap select es" | debconf-set-selections
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}
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function install_non_interactive() {
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echo "Installing packages non interactive"
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apt install -y -o Dpkg::Options::="--force-confdef" -o Dpkg::Options::="--force-confold" $@
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}
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function install_no_recommends() {
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echo "Installing packages without recommends"
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apt install -y --no-install-recommends $@
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}
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function setup_chroot() {
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echo "Setting up chroot"
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dbus-uuidgen > /etc/machine-id
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apt update -y
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ln -fs /etc/machine-id /var/lib/dbus/machine-id
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ln -s /bin/true /sbin/initctl
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}
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function remove_unneeded_packages() {
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echo "Removing unneeded packages"
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apt remove -y --purge --auto-remove snapd
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}
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function reconfigure_locales() {
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echo "Configuring locales"
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sed -i 's/# es_ES.UTF-8 UTF-8/es_ES.UTF-8 UTF-8/' /etc/locale.gen
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sed -i 's/# en_US.UTF-8 UTF-8/en_US.UTF-8 UTF-8/' /etc/locale.gen
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locale-gen
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ln -sf /usr/share/zoneinfo/Europe/Madrid /etc/localtime
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echo "Europe/Madrid" > /etc/timezone
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dpkg-reconfigure -f noninteractive tzdata
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}
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function reconfigure_network_manager() {
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echo "Configuring network manager"
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mkdir -p /etc/NetworkManager
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cat <<EOF > /etc/NetworkManager/NetworkManager.conf
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[main]
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rc-manager=none
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plugins=ifupdown,keyfile
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dns=systemd-resolved
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[ifupdown]
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managed=false
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EOF
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mkdir -p /etc/NetworkManager/system-connections/
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cat <<EOL > /etc/NetworkManager/system-connections/dhcp-all.nmconnection
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[connection]
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id=Auto DHCP
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type=ethernet
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autoconnect=true
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[ipv4]
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method=auto
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EOL
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systemctl enable NetworkManager
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}
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function reconfigure_packages() {
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reconfigure_locales
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reconfigure_network_manager
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}
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function create_image() {
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mkdir -p /image/{casper,isolinux,install}
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cp /boot/vmlinuz-**-**-generic /image/casper/vmlinuz
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cp /boot/initrd.img-**-**-generic /image/casper/initrd
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wget --progress=dot https://memtest.org/download/v7.00/mt86plus_7.00.binaries.zip -O /image/install/memtest86.zip
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unzip -p /image/install/memtest86.zip memtest64.bin > /image/install/memtest86+.bin
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unzip -p /image/install/memtest86.zip memtest64.efi > /image/install/memtest86+.efi
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rm -f /image/install/memtest86.zip
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}
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function configure_grub_menu() {
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touch /image/ubuntu
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cat <<EOF > /image/isolinux/grub.cfg
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search --set=root --file /ubuntu
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insmod all_video
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set default="0"
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set timeout=30
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menuentry "Install Ubuntu FS" {
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linux /casper/vmlinuz boot=casper quiet splash ---
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initrd /casper/initrd
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}
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menuentry "Check disc for defects" {
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linux /casper/vmlinuz boot=casper integrity-check quiet splash ---
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initrd /casper/initrd
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}
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grub_platform
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if [ "\$grub_platform" = "efi" ]; then
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menuentry 'UEFI Firmware Settings' {
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fwsetup
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}
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menuentry "Test memory Memtest86+ (UEFI)" {
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linux /install/memtest86+.efi
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}
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else
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menuentry "Test memory Memtest86+ (BIOS)" {
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linux16 /install/memtest86+.bin
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}
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fi
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EOF
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# Generate manifest
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dpkg-query -W --showformat='${Package} ${Version}\n' | sudo tee /image/casper/filesystem.manifest
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cp -v /image/casper/filesystem.manifest /image/casper/filesystem.manifest-desktop
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sed -i '/ubiquity/d' /image/casper/filesystem.manifest-desktop
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sed -i '/casper/d' /image/casper/filesystem.manifest-desktop
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sed -i '/discover/d' /image/casper/filesystem.manifest-desktop
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sed -i '/laptop-detect/d' /image/casper/filesystem.manifest-desktop
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sed -i '/os-prober/d' /image/casper/filesystem.manifest-desktop
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# Create diskdefines
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cat <<EOF > /image/README.diskdefines
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#define DISKNAME Ubuntu from scratch
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#define TYPE binary
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#define TYPEbinary 1
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#define ARCH amd64
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#define ARCHamd64 1
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#define DISKNUM 1
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#define DISKNUM1 1
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#define TOTALNUM 0
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#define TOTALNUM0 1
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EOF
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}
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function create_image2(){
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cp /usr/lib/shim/shimx64.efi.signed.previous /image/isolinux/bootx64.efi
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cp /usr/lib/shim/mmx64.efi /image/isolinux/mmx64.efi
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cp /usr/lib/grub/x86_64-efi-signed/grubx64.efi.signed /image/isolinux/grubx64.efi
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cd /image/isolinux && \
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dd if=/dev/zero of=efiboot.img bs=1M count=10 && \
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mkfs.vfat -F 16 efiboot.img && \
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LC_CTYPE=C mmd -i efiboot.img efi efi/ubuntu efi/boot && \
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LC_CTYPE=C mcopy -i efiboot.img ./bootx64.efi ::efi/boot/bootx64.efi && \
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LC_CTYPE=C mcopy -i efiboot.img ./mmx64.efi ::efi/boot/mmx64.efi && \
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LC_CTYPE=C mcopy -i efiboot.img ./grubx64.efi ::efi/boot/grubx64.efi && \
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LC_CTYPE=C mcopy -i efiboot.img ./grub.cfg ::efi/ubuntu/grub.cfg && \
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# Create a grub bios images
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cd /image && \
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grub-mkstandalone \
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--format=i386-pc \
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--output=isolinux/core.img \
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--install-modules="linux16 linux normal iso9660 biosdisk memdisk search tar ls" \
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--modules="linux16 linux normal iso9660 biosdisk search" \
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--locales="" \
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--fonts="" \
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"boot/grub/grub.cfg=isolinux/grub.cfg"
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cat /usr/lib/grub/i386-pc/cdboot.img isolinux/core.img > isolinux/bios.img
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# find . -type f -print0 | xargs -0 md5sum | grep -v -e 'isolinux' > md5sum.txt
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}
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function clean (){
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truncate -s 0 /etc/machine-id
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rm /sbin/initctl
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dpkg-divert --rename --remove /sbin/initctl
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apt-get clean
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rm -rf /tmp/* ~/.bash_history
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umount /proc
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umount /sys
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umount /dev/pts
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export HISTSIZE=0
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}
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function autostart_calamares() {
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mkdir -p /etc/xdg/openbox
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echo <<EOF > /etc/xdg/openbox/autostart
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calamares &
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EOF
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}
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function configure_lightdm() {
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mkdir -p /etc/lightdm
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cat <<EOF > /etc/lightdm/lightdm.conf
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[Seat:*]
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autologin-user=root
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autologin-user-timeout=0
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user-session=openbox
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greeter-session=lightdm-gtk-greeter
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EOF
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}
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function install_mesa_repo() {
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add-apt-repository ppa:kisak/kisak-mesa
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apt -y update
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}
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## Main
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echo "ubuntu-fs-live" > /etc/hostname
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mount_proc_sys_dev
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setup_sources_list
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install_packages libterm-readline-gnu-perl systemd-sysv software-properties-common
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setup_chroot
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set_pkg_configuration
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install_mesa_repo
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install_packages sudo ubuntu-standard sudo casper dbus-bin mesa-utils mesa-vulkan-drivers discover isc-dhcp-client laptop-detect unzip os-prober network-manager net-tools wireless-tools wpagui locales grub-common grub-gfxpayload-lists grub-pc grub-pc-bin grub2-common grub-efi-amd64-signed shim-signed mtools binutils virtualbox-guest-utils virtualbox-guest-x11
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install_non_interactive xorg xinit openbox lightdm plymouth calamares
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install_no_recommends linux-image-generic
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configure_divert
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configure_lightdm
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autostart_calamares
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remove_unneeded_packages
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reconfigure_packages
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create_image
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configure_grub_menu
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create_image2
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clean
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