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mirror of https://github.com/tommytran732/Linux-Setup-Scripts synced 2024-11-04 09:11:33 -05:00
Linux-Setup-Scripts/Ubuntu-24.04-Desktop.sh

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#!/bin/sh
# Copyright (C) 2021-2024 Thien Tran
#
# Licensed under the Apache License, Version 2.0 (the "License"); you may not
# use this file except in compliance with the License. You may obtain a copy of
# the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations under
# the License.
#Please note that this is how I PERSONALLY setup my computer - I do some stuff such as not using anything to download GNOME extensions from extensions.gnome.org and installing the extensions as a package instead
set -eu
output(){
printf '\e[1;34m%-6s\e[m\n' "${@}"
}
unpriv(){
sudo -u nobody "$@"
}
virtualization=$(systemd-detect-virt)
# Compliance and updates
sudo systemctl mask debug-shell.service
# Setting umask to 077
umask 077
sudo sed -i 's/^UMASK.*/UMASK 077/g' /etc/login.defs
sudo sed -i 's/^HOME_MODE/#HOME_MODE/g' /etc/login.defs
sudo sed -i 's/^USERGROUPS_ENAB.*/USERGROUPS_ENAB no/g' /etc/login.defs
# Make home directory private
sudo chmod 700 /home/*
# Setup NTS
sudo systemctl disable --now systemd-timesyncd
sudo systemctl mask systemd-timesyncd
if [ "${virtualization}" = "parallels" ]; then
sudo apt install -y chrony
unpriv curl -s https://raw.githubusercontent.com/GrapheneOS/infrastructure/main/chrony.conf | sudo tee /etc/chrony/chrony.conf > /dev/null
sudo chmod 644 /etc/chrony/chrony.conf
sudo systemctl restart chronyd
fi
# Harden SSH
unpriv curl -s https://raw.githubusercontent.com/TommyTran732/Linux-Setup-Scripts/main/etc/ssh/ssh_config.d/10-custom.conf | sudo tee /etc/ssh/ssh_config.d/10-custom.conf > /dev/null
sudo chmod 644 /etc/ssh/ssh_config.d/10-custom.conf
# Security kernel settings
if [ "${virtualization}" = 'parallels' ]; then
unpriv curl -s https://raw.githubusercontent.com/TommyTran732/Kernel-Module-Blacklist/main/etc/modprobe.d/workstation-blacklist.conf | sudo tee /etc/modprobe.d/workstation-blacklist.conf > /dev/null
sudo chmod 644 /etc/modprobe.d/workstation-blacklist.conf
else
unpriv curl -s https://raw.githubusercontent.com/secureblue/secureblue/live/files/system/usr/etc/modprobe.d/blacklist.conf | sudo tee /etc/modprobe.d/workstation-blacklist.conf > /dev/null
sudo chmod 644 /etc/modprobe.d/workstation-blacklist.conf
fi
sudo chmod 644 /etc/modprobe.d/workstation-blacklist.conf
unpriv curl -s https://raw.githubusercontent.com/TommyTran732/Linux-Setup-Scripts/main/etc/sysctl.d/99-workstation.conf | sudo tee /etc/sysctl.d/99-workstation.conf > /dev/null
sudo chmod 644 /etc/sysctl.d/99-workstation.conf
sudo sysctl -p
# Rebuild initramfs
sudo update-initramfs -u
# Disable coredump
unpriv curl -s https://raw.githubusercontent.com/TommyTran732/Linux-Setup-Scripts/main/etc/security/limits.d/30-disable-coredump.conf | sudo tee /etc/security/limits.d/30-disable-coredump.conf > /dev/null
sudo chmod 644 /etc/security/limits.d/30-disable-coredump.conf
sudo mkdir -p /etc/systemd/coredump.conf.d
sudo chmod 755 /etc/systemd/coredump.conf.d
unpriv curl -s https://raw.githubusercontent.com/TommyTran732/Linux-Setup-Scripts/main/etc/systemd/coredump.conf.d/disable.conf | sudo tee /etc/systemd/coredump.conf.d/disable.conf > /dev/null
sudo chmod 644 /etc/systemd/coredump.conf.d/disable.conf
# Update GRUB config
sudo sed -i 's/splash/splash mitigations=auto,nosmt spectre_v2=on spectre_bhi=on spec_store_bypass_disable=on tsx=off kvm.nx_huge_pages=force nosmt=force l1d_flush=on spec_rstack_overflow=safe-ret gather_data_sampling=force reg_file_data_sampling=on random.trust_bootloader=off random.trust_cpu=off intel_iommu=on amd_iommu=force_isolation efi=disable_early_pci_dma iommu=force iommu.passthrough=0 iommu.strict=1 slab_nomerge init_on_alloc=1 init_on_free=1 pti=on vsyscall=none ia32_emulation=0 page_alloc.shuffle=1 randomize_kstack_offset=on debugfs=off/g' /etc/default/grub
sudo update-grub
# Systemd Hardening
sudo mkdir -p /etc/systemd/system/irqbalance.service.d
sudo chmod 755 /etc/systemd/system/irqbalance.service.d
unpriv curl -s https://gitlab.com/divested/brace/-/raw/master/brace/usr/lib/systemd/system/irqbalance.service.d/99-brace.conf | sudo tee /etc/systemd/system/irqbalance.service.d/99-brace.conf > /dev/null
sudo chmod 644 /etc/systemd/system/irqbalance.service.d/99-brace.conf
# Disable XWayland
sudo mkdir -p /etc/systemd/user/org.gnome.Shell@wayland.service.d
sudo chmod 755 /etc/systemd/user/org.gnome.Shell@wayland.service.d
unpriv curl -s https://raw.githubusercontent.com/TommyTran732/Linux-Setup-Scripts/main/etc/systemd/user/org.gnome.Shell%40wayland.service.d/override.conf | sudo tee /etc/systemd/user/org.gnome.Shell@wayland.service.d/override.conf > /dev/null
sudo chmod 644 /etc/systemd/user/org.gnome.Shell@wayland.service.d/override.conf
# Disable GJS and WebkitGTK JIT
unpriv curl https://raw.githubusercontent.com/TommyTran732/Linux-Setup-Scripts/main/etc/environment | sudo tee -a /etc/environment
# Setup dconf
# Does not work - need to investigate
unpriv curl -s https://raw.githubusercontent.com/TommyTran732/Linux-Setup-Scripts/main/etc/dconf/db/local.d/apport-disable | sudo tee /etc/dconf/db/local.d/apport-disable > /dev/null
unpriv curl -s https://raw.githubusercontent.com/TommyTran732/Linux-Setup-Scripts/main/etc/dconf/db/local.d/automount-disable | sudo tee /etc/dconf/db/local.d/automount-disable > /dev/null
unpriv curl -s https://raw.githubusercontent.com/TommyTran732/Linux-Setup-Scripts/main/etc/dconf/db/local.d/button-layout | sudo tee /etc/dconf/db/local.d/button-layout > /dev/null
unpriv curl -s https://raw.githubusercontent.com/TommyTran732/Linux-Setup-Scripts/main/etc/dconf/db/local.d/prefer-dark | sudo tee /etc/dconf/db/local.d/prefer-dark > /dev/null
unpriv curl -s https://raw.githubusercontent.com/TommyTran732/Linux-Setup-Scripts/main/etc/dconf/db/local.d/privacy | sudo tee /etc/dconf/db/local.d/privacy > /dev/null
unpriv curl -s https://raw.githubusercontent.com/TommyTran732/Linux-Setup-Scripts/main/etc/dconf/db/local.d/touchpad | sudo tee /etc/dconf/db/local.d/touchpad > /dev/null
sudo chmod 644 /etc/dconf/db/local.d/*
sudo mkdir -p /etc/dconf/db/local.d/locks
chmod 755 /etc/dconf/db/local.d/locks
unpriv curl -s https://raw.githubusercontent.com/TommyTran732/Linux-Setup-Scripts/main/etc/dconf/db/local.d/locks/apport-disable | sudo tee /etc/dconf/db/local.d/locks/apport-disable > /dev/null
unpriv curl -s https://raw.githubusercontent.com/TommyTran732/Linux-Setup-Scripts/main/etc/dconf/db/local.d/locks/automount-disable | sudo tee /etc/dconf/db/local.d/locks/automount-disable > /dev/null
sudo chmod 644 /etc/dconf/db/local.d/locks/*
umask 022
sudo dconf update
umask 077
ubuntu-report -f send no
sudo systemctl disable --now apport.service
sudo systemctl mask apport.service
sudo systemctl disable --now whoopsie.service
sudo systemctl mask whoopsie.service
sudo systemctl disable --now whoopsie.path
sudo systemctl mask whoopsie.path
# Update packages
sudo apt update -y
sudo apt full-upgrade -y
## Avoid phased updates
sudo apt install -y curl
unpriv curl -s https://raw.githubusercontent.com/TommyTran732/Linux-Setup-Scripts/main/etc/apt/apt.conf.d/99sane-upgrades | sudo tee /etc/apt/apt.conf.d/99sane-upgrades > /dev/null
sudo chmod 644 /etc/apt/apt.conf.d/99sane-upgrades
# Update system
sudo apt update -y
sudo apt full-upgrade -y
sudo apt autoremove -y
# Remove unneeded packages
sudo apt purge -y apport baobab cups* eog evince* gedit firefox* gnome-calculator gnome-characters* gnome-clocks gnome-font-viewer gnome-logs gnome-power-manager gnome-shell-extension-prefs gnome-system-monitor gnome-text-editor libreoffice* seahorse tcpdump whoopsie
sudo apt autoremove -y
sudo snap remove firefox gnome-text-editor snap-store
sudo rm -rf /usr/share/hplip
# Install packages that I use
sudo apt install -y gnome-console gnome-software-plugin-flatpak
sudo snap install gnome-text-editor
# Install appropriate virtualization drivers
if [ "$virtualization" = 'kvm' ]; then
sudo apt install -y qemu-guest-agent spice-vdagent
fi
# Setup Flatpak
sudo flatpak override --system --nosocket=x11 --nosocket=fallback-x11 --nosocket=pulseaudio --nosocket=session-bus --nosocket=system-bus --unshare=network --unshare=ipc --nofilesystem=host:reset --nodevice=shm --nodevice=all --no-talk-name=org.freedesktop.Flatpak --no-talk-name=org.freedesktop.systemd1 --no-talk-name=ca.desrt.dconf --no-talk-name=org.gnome.Shell.Extensions
flatpak override --user --nosocket=x11 --nosocket=fallback-x11 --nosocket=pulseaudio --nosocket=session-bus --nosocket=system-bus --unshare=network --unshare=ipc --nofilesystem=host:reset --nodevice=shm --nodevice=all --no-talk-name=org.freedesktop.Flatpak --no-talk-name=org.freedesktop.systemd1 --no-talk-name=ca.desrt.dconf --no-talk-name=org.gnome.Shell.Extensions
flatpak remote-add --if-not-exists --user flathub https://dl.flathub.org/repo/flathub.flatpakrepo
flatpak --user install org.gnome.Extensions com.github.tchx84.Flatseal org.gnome.Loupe -y
flatpak --user override com.github.tchx84.Flatseal --filesystem=/var/lib/flatpak/app:ro --filesystem=xdg-data/flatpak/app:ro --filesystem=xdg-data/flatpak/overrides:create
flatpak --user override org.gnome.Extensions --talk-name=org.gnome.Shell.Extensions
flatpak update -y
# Rosetta setup
if [ -f /media/psf/RosettaLinux/rosetta ] || [ -f /media/rosetta/rosetta ]; then
if [ -f /media/rosetta/rosetta ]; then
sudo /usr/sbin/update-binfmts --install rosetta /media/rosetta/rosetta --magic "\x7fELF\x02\x01\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x3e\x00" --mask "\xff\xff\xff\xff\xff\xfe\xfe\x00\xff\xff\xff\xff\xff\xff\xff\xff\xfe\xff\xff\xff" --credentials yes --preserve no --fix-binary yes
fi
sed -i 's/fs.binfmt_misc.status = 0/#fs.binfmt_misc.status = 0/g' /etc/sysctl.d/99-workstation.conf
unpriv curl -s https://raw.githubusercontent.com/TommyTran732/Linux-Setup-Scripts/main/etc/apt/sources.list.d/rosetta.sources | sudo tee /etc/apt/sources.list.d/ubuntu.sources > /dev/null
sudo chmod 644 /etc/apt/sources.list.d/ubuntu.sources
sudo dpkg --add-architecture amd64
sudo apt update
sudo apt full-upgrade -y
fi
# Install Microsoft Edge if x86_64
MACHINE_TYPE=$(uname -m)
if [ "${MACHINE_TYPE}" = 'x86_64' ] || [ -f /media/psf/RosettaLinux/rosetta ] || [ -f /media/rosetta/rosetta ]; then
output 'x86_64 machine, installing Microsoft Edge.'
unpriv curl -s https://packages.microsoft.com/keys/microsoft.asc | gpg --dearmor | sudo tee /usr/share/keyrings/microsoft.gpg > /dev/null
chmod 644 /usr/share/keyrings/microsoft.gpg
unpriv curl -s https://raw.githubusercontent.com/TommyTran732/Linux-Setup-Scripts/main/etc/apt/sources.list.d/microsoft-edge.sources | sudo tee /etc/apt/sources.list.d/microsoft-edge.sources > /dev/null
sudo chmod 644 /etc/apt/sources.list.d/microsoft-edge.sources
sudo apt update
sudo apt full-upgrade -y
sudo apt install -y microsoft-edge-stable
sudo mkdir -p /etc/opt/edge/policies/managed/ /etc/opt/edge/policies/recommended/
sudo chmod -R 755 /etc/opt
unpriv curl -s https://raw.githubusercontent.com/TommyTran732/Microsoft-Edge-Policies/main/Linux/managed.json | sudo tee /etc/opt/edge/policies/managed/managed.json > /dev/null
unpriv curl -s https://raw.githubusercontent.com/TommyTran732/Microsoft-Edge-Policies/main/Linux/recommended.json | sudo tee /etc/opt/edge/policies/recommended/recommended.json > /dev/null
sudo chmod 644 /etc/opt/edge/policies/managed/managed.json /etc/opt/edge/policies/recommended/recommended.json
if [ -f /media/psf/RosettaLinux/rosetta ] || [ -f /media/rosetta/rosetta ]; then
#Edge does not seem to work on Wayland with Rosetta - dunno why yet. Probably missing libraries?
sudo rm -rf /etc/systemd/user/org.gnome.Shell@wayland.service.d
else
sudo mkdir -p /usr/local/share/applications
sudo chmod 755 /usr/local/share/applications
sed 's/^Exec=\/usr\/bin\/microsoft-edge-stable/& --ozone-platform=wayland --start-maximized/g' /usr/share/applications/microsoft-edge.desktop | sudo tee /usr/local/share/applications/microsoft-edge.desktop
chmod 644 /usr/local/share/applications/microsoft-edge.desktop
fi
fi
# Enable fstrim.timer
sudo systemctl enable --now fstrim.timer
### Differentiating bare metal and virtual installs
# Setup tuned
if [ "$virtualization" = 'none' ]; then
output "Bare Metal installation. Tuned will not be set up here - PPD should take care of it."
else
sudo apt purge -y power-profiles-daemon
sudo apt install -y tuned
systemctl enable --now tuned
sudo tuned-adm profile virtual-guest
fi
# Setup fwupd
echo 'UriSchemes=file;https' | sudo tee -a /etc/fwupd/fwupd.conf
sudo systemctl restart fwupd
# Setup networking
# UFW Snap is strictly confined, unlike its .deb counterpart
sudo apt purge -y ufw
sudo snap install ufw
echo y | sudo ufw enable
unpriv curl -s https://raw.githubusercontent.com/TommyTran732/Linux-Setup-Scripts/main/etc/NetworkManager/conf.d/00-macrandomize.conf | sudo tee /etc/NetworkManager/conf.d/00-macrandomize.conf > /dev/null
sudo chmod 644 /etc/NetworkManager/conf.d/00-macrandomize.conf
unpriv curl -s https://raw.githubusercontent.com/TommyTran732/Linux-Setup-Scripts/main/etc/NetworkManager/conf.d/01-transient-hostname.conf | sudo tee /etc/NetworkManager/conf.d/01-transient-hostname.conf > /dev/null
sudo chmod 644 /etc/NetworkManager/conf.d/01-transient-hostname.conf
sudo nmcli general reload conf
sudo hostnamectl hostname 'localhost'
sudo hostnamectl --transient hostname ''
sudo mkdir -p /etc/systemd/system/NetworkManager.service.d
unpriv curl -s https://gitlab.com/divested/brace/-/raw/master/brace/usr/lib/systemd/system/NetworkManager.service.d/99-brace.conf | sudo tee /etc/systemd/system/NetworkManager.service.d/99-brace.conf > /dev/null
sudo chmod 644 /etc/systemd/system/NetworkManager.service.d/99-brace.conf
sudo systemctl daemon-reload
sudo systemctl restart NetworkManager