From b8f2e1884e1c575ac164cb8de174e58bc2c946e0 Mon Sep 17 00:00:00 2001 From: Tommy Date: Wed, 5 Jun 2024 18:46:37 -0700 Subject: [PATCH] Initial port to Ubuntu Desktop 24.04 --- Ubuntu-Desktop-24.04.sh | 227 ++++++++++++++++++++++++++++++++++++++++ 1 file changed, 227 insertions(+) create mode 100644 Ubuntu-Desktop-24.04.sh diff --git a/Ubuntu-Desktop-24.04.sh b/Ubuntu-Desktop-24.04.sh new file mode 100644 index 0000000..0902dc8 --- /dev/null +++ b/Ubuntu-Desktop-24.04.sh @@ -0,0 +1,227 @@ +#!/bin/bash + +# 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 + +output(){ + echo -e '\e[36m'"$1"'\e[0m'; +} + +unpriv(){ + sudo -u nobody "$@" +} + +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 https://raw.githubusercontent.com/GrapheneOS/infrastructure/main/chrony.conf | sudo tee /etc/chrony/chrony.conf + sudo systemctl restart chronyd +fi + +# Harden SSH +unpriv curl 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 +sudo chmod 644 /etc/ssh/ssh_config.d/10-custom.conf + +# Security kernel settings +if [ "${virtualization}" = 'parallels' ]; then + unpriv curl https://raw.githubusercontent.com/TommyTran732/Kernel-Module-Blacklist/main/etc/modprobe.d/workstation-blacklist.conf | sudo tee /etc/modprobe.d/workstation-blacklist.conf +else + unpriv curl https://raw.githubusercontent.com/secureblue/secureblue/live/config/files/usr/etc/modprobe.d/blacklist.conf | sudo tee /etc/modprobe.d/workstation-blacklist.conf +fi +sudo chmod 644 /etc/modprobe.d/workstation-blacklist.conf +unpriv curl https://raw.githubusercontent.com/TommyTran732/Linux-Setup-Scripts/main/etc/sysctl.d/99-workstation.conf | sudo tee /etc/sysctl.d/99-workstation.conf +sudo chmod 644 /etc/sysctl.d/99-workstation.conf +sudo sysctl -p + +# Rebuild initramfs +sudo update-initramfs -u + +# Disable coredump +umask 022 +unpriv curl 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 +sudo mkdir -p /etc/systemd/coredump.conf.d +unpriv curl 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 +umask 077 + +# Update GRUB config +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 +unpriv curl 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 + +# Disable XWayland +umask 022 +sudo mkdir -p /etc/systemd/user/org.gnome.Shell@wayland.service.d +unpriv curl 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 +umask 077 + +# Setup dconf +# Does not work - need to investigate + +umask 022 + +sudo mkdir -p /etc/dconf/db/local.d/locks + +unpriv curl 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 +unpriv curl 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 + +unpriv curl 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 +unpriv curl 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 +unpriv curl 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 +unpriv curl 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 +unpriv curl https://raw.githubusercontent.com/TommyTran732/Linux-Setup-Scripts/main/etc/dconf/db/local.d/privacy | sudo tee /etc/dconf/db/local.d/privacy +unpriv curl https://raw.githubusercontent.com/TommyTran732/Linux-Setup-Scripts/main/etc/dconf/db/local.d/touchpad | sudo tee /etc/dconf/db/local.d/touchpad + +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 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 +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 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 + unpriv curl https://raw.githubusercontent.com/TommyTran732/Linux-Setup-Scripts/main/etc/apt/rosetta-sources.list | sudo tee /etc/apt/sources.list + rm -rf /etc/apt/sources.list.d/proposed.list + 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 + umask 022 + output 'x86_64 machine, installing Microsoft Edge.' + unpriv curl https://packages.microsoft.com/keys/microsoft.asc | gpg --dearmor | sudo tee /usr/share/keyrings/microsoft.gpg + unpriv curl https://raw.githubusercontent.com/TommyTran732/Linux-Setup-Scripts/main/etc/apt/sources.list.d/microsoft-edge.list | sudo tee /etc/apt/sources.list.d/microsoft-edge.list + 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/ + unpriv curl https://raw.githubusercontent.com/TommyTran732/Microsoft-Edge-Policies/main/Linux/managed.json | sudo tee /etc/opt/edge/policies/managed/managed.json + unpriv curl https://raw.githubusercontent.com/TommyTran732/Microsoft-Edge-Policies/main/Linux/recommended.json | sudo tee /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 + 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 + fi + umask 077 +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 +sudo ufw enable + +unpriv curl 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 +unpriv curl 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 +sudo nmcli general reload conf +sudo hostnamectl hostname 'localhost' +sudo hostnamectl --transient hostname '' + +sudo mkdir -p /etc/systemd/system/NetworkManager.service.d +unpriv curl 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 +sudo systemctl daemon-reload +sudo systemctl restart NetworkManager \ No newline at end of file