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#!/bin/bash
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# Configure ubuntu desktop systems
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SCRIPT_DIR="$(cd -P "$(dirname "$BASH_SOURCE")" && pwd)"
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cd "$SCRIPT_DIR"
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. set.sh
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# Install dependencies
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apt-get -y install lz4
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# Change ext4 default mount options
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sed -i -e 's/ errors=remount-ro/ noatime,nodelalloc,errors=remount-ro/g' /etc/fstab
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# Disable GTK hidden scroll bars
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echo GTK_OVERLAY_SCROLLING=0 >> /etc/environment
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# Reveal boot messages
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sed -i -e 's/TTYVTDisallocate=yes/TTYVTDisallocate=no/g' /etc/systemd/system/getty.target.wants/getty@tty1.service
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# Speedup boot
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sed -i 's/MODULES=most/MODULES=dep/g' /etc/initramfs-tools/initramfs.conf
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sed -i 's/COMPRESS=gzip/COMPRESS=lz4/g' /etc/initramfs-tools/initramfs.conf
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# Reveal autostart services
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sed -i 's/NoDisplay=true/NoDisplay=false/g' /etc/xdg/autostart/*.desktop
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# Remove password complexity constraints
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sed -i 's/ obscure / minlen=1 /g' /etc/pam.d/common-password
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# Remove splash screen (plymouth) and hide kernel output
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sed -i 's/quiet splash/quiet vt.global_cursor_default=0 console=ttyS0/g' /etc/default/grub
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update-initramfs -u
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update-grub
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# Disable swapfile
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swapoff /swapfile || true
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rm -f /swapfile
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sed -i '/swapfile/d' /etc/fstab
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# Prevent gnome-shell segfault from happening
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sed -i 's/#WaylandEnable=false/WaylandEnable=false/g' /etc/gdm3/custom.conf
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# Purge unused Ubuntu packages
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PKGS="
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apport
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bind9
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bolt
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cups*
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exim*
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fprintd
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friendly-recovery
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gnome-initial-setup
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gnome-online-accounts
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gnome-power-manager
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gnome-software
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gnome-software-common
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memtest86+
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orca
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popularity-contest
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python3-update-manager
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secureboot-db
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snapd
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spice-vdagent
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ubuntu-report
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ubuntu-software
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unattended-upgrades
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update-inetd
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update-manager-core
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update-notifier
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update-notifier-common
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whoopsie
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xdg-desktop-portal
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"
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apt-get -y purge $PKGS
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apt-get -y autoremove --purge
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SERVICES="
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apt-daily-upgrade.timer
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apt-daily.timer
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console-setup.service
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keyboard-setup.service
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motd-news.timer
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remote-fs.target
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"
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systemctl disable $SERVICES
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SERVICES="
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grub-common.service
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NetworkManager-wait-online.service
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plymouth-quit-wait.service
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"
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systemctl mask $SERVICES
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# Install packages
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PKGS="$(cat common_packages.txt)
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baobab
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blender
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chromium-browser
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dconf-editor
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firefox
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gimp
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gnome-calculator
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gnome-system-monitor
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gnome-tweaks
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i3lock
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mpv
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zenity
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"
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# Replace debian packages with ubuntu's
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PKGS=${PKGS/linux-image-amd64/linux-image-generic}
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PKGS=${PKGS/linux-headers-amd64/linux-headers-generic}
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PKGS=${PKGS/firmware-linux-nonfree}
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apt-get -y install $PKGS
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