197 lines
4.1 KiB
Bash
Executable File
197 lines
4.1 KiB
Bash
Executable File
#!/bin/bash
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set -e # exit on error
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set -o pipefail # exit on pipeline error
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set -u # treat unset variable as error
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#set -x
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SCRIPT_DIR="$(dirname "$(readlink -f "$0")")"
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CMD=(setup_host install_pkg finish_up)
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function help() {
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# if $1 is set, use $1 as headline message in help()
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if [ -z ${1+x} ]; then
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echo -e "This script builds Ubuntu from scratch"
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echo -e
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else
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echo -e $1
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echo
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fi
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echo -e "Supported commands : ${CMD[*]}"
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echo -e
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echo -e "Syntax: $0 [start_cmd] [-] [end_cmd]"
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echo -e "\trun from start_cmd to end_end"
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echo -e "\tif start_cmd is omitted, start from first command"
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echo -e "\tif end_cmd is omitted, end with last command"
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echo -e "\tenter single cmd to run the specific command"
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echo -e "\tenter '-' as only argument to run all commands"
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echo -e
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exit 0
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}
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function find_index() {
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local ret;
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local i;
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for ((i=0; i<${#CMD[*]}; i++)); do
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if [ "${CMD[i]}" == "$1" ]; then
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index=$i;
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return;
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fi
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done
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help "Command not found : $1"
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}
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function check_host() {
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if [ $(id -u) -ne 0 ]; then
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echo "This script should be run as 'root'"
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exit 1
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fi
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export HOME=/root
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export LC_ALL=C
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}
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function setup_host() {
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echo "=====> running setup_host ..."
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echo "ubuntu-fs-live" > /etc/hostname
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# we need to install systemd first, to configure machine id
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apt-get update
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apt-get install -y libterm-readline-gnu-perl systemd-sysv
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#configure machine id
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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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# don't understand why, but multiple sources indicate this
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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 install_pkg() {
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echo "=====> running install_pkg ... will take a long time ..."
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apt-get -y upgrade
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# install live linux packages
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apt-get install -y \
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ubuntu-standard \
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casper \
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lupin-casper \
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discover \
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laptop-detect \
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os-prober \
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network-manager \
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resolvconf \
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net-tools \
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wireless-tools \
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wpagui \
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locales \
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linux-generic
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# graphic installer - ubiquity
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apt-get install -y \
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ubiquity \
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ubiquity-casper \
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ubiquity-frontend-gtk \
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ubiquity-slideshow-ubuntu \
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ubiquity-ubuntu-artwork
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# install graphics and desktop
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apt-get install -y \
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plymouth-theme-ubuntu-logo \
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ubuntu-gnome-desktop \
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ubuntu-gnome-wallpapers
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# useful tools
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apt-get install -y \
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clamav-daemon \
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terminator \
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apt-transport-https \
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curl \
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vim \
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nano \
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less
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# purge
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apt-get purge -y \
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transmission-gtk \
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transmission-common \
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gnome-mahjongg \
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gnome-mines \
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gnome-sudoku \
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aisleriot \
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hitori
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# remove unused and clean up apt cache
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apt-get autoremove -y
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# final touch
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dpkg-reconfigure locales
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dpkg-reconfigure resolvconf
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# network manager
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cat <<EOF > /etc/NetworkManager/NetworkManager.conf
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[main]
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rc-manager=resolvconf
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plugins=ifupdown,keyfile
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dns=dnsmasq
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[ifupdown]
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managed=false
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EOF
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dpkg-reconfigure network-manager
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apt-get clean -y
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}
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function finish_up() {
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echo "=====> finish_up"
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# truncate machine id (why??)
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truncate -s 0 /etc/machine-id
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# remove diversion (why??)
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rm /sbin/initctl
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dpkg-divert --rename --remove /sbin/initctl
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rm -rf /tmp/* ~/.bash_history
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}
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# ============= main ================
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check_host
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# check number of args
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if [[ $# == 0 || $# > 3 ]]; then help; fi
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# loop through args
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dash_flag=false
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start_index=0
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end_index=${#CMD[*]}
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for ii in "$@";
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do
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if [[ $ii == "-" ]]; then
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dash_flag=true
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continue
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fi
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find_index $ii
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if [[ $dash_flag == false ]]; then
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start_index=$index
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else
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end_index=$(($index+1))
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fi
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done
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if [[ $dash_flag == false ]]; then
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end_index=$(($start_index + 1))
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fi
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# loop through the commands
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for ((ii=$start_index; ii<$end_index; ii++)); do
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${CMD[ii]}
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done
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echo "$0 - Initial build is done!"
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