mirror of
https://github.com/tommytran732/Linux-Setup-Scripts
synced 2024-11-09 11:41:33 -05:00
227 lines
12 KiB
Bash
227 lines
12 KiB
Bash
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#!/bin/bash
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# Copyright (C) 2021-2024 Thien Tran
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may not
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# use this file except in compliance with the License. You may obtain a copy of
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# the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations under
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# the License.
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#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
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output(){
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echo -e '\e[36m'"$1"'\e[0m';
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}
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unpriv(){
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sudo -u nobody "$@"
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}
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virtualization=$(systemd-detect-virt)
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# Compliance and updates
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sudo systemctl mask debug-shell.service
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# Setting umask to 077
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umask 077
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sudo sed -i 's/^UMASK.*/UMASK 077/g' /etc/login.defs
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sudo sed -i 's/^HOME_MODE/#HOME_MODE/g' /etc/login.defs
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sudo sed -i 's/^USERGROUPS_ENAB.*/USERGROUPS_ENAB no/g' /etc/login.defs
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# Make home directory private
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sudo chmod 700 /home/*
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# Setup NTS
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sudo systemctl disable --now systemd-timesyncd
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sudo systemctl mask systemd-timesyncd
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if [ "${virtualization}" = "parallels" ]; then
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sudo apt install -y chrony
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unpriv curl https://raw.githubusercontent.com/GrapheneOS/infrastructure/main/chrony.conf | sudo tee /etc/chrony/chrony.conf
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sudo systemctl restart chronyd
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fi
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# Harden SSH
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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
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sudo chmod 644 /etc/ssh/ssh_config.d/10-custom.conf
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# Security kernel settings
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if [ "${virtualization}" = 'parallels' ]; then
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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
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else
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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
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fi
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sudo chmod 644 /etc/modprobe.d/workstation-blacklist.conf
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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
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sudo chmod 644 /etc/sysctl.d/99-workstation.conf
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sudo sysctl -p
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# Rebuild initramfs
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sudo update-initramfs -u
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# Disable coredump
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umask 022
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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
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sudo mkdir -p /etc/systemd/coredump.conf.d
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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
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umask 077
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# Update GRUB config
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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
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sudo update-grub
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# Systemd Hardening
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sudo mkdir -p /etc/systemd/system/irqbalance.service.d
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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
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# Disable XWayland
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umask 022
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sudo mkdir -p /etc/systemd/user/org.gnome.Shell@wayland.service.d
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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
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umask 077
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# Setup dconf
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# Does not work - need to investigate
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umask 022
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sudo mkdir -p /etc/dconf/db/local.d/locks
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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
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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
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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
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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
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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
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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
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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
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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
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sudo dconf update
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umask 077
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ubuntu-report -f send no
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sudo systemctl disable --now apport.service
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sudo systemctl mask apport.service
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sudo systemctl disable --now whoopsie.service
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sudo systemctl mask whoopsie.service
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sudo systemctl disable --now whoopsie.path
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sudo systemctl mask whoopsie.path
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# Update packages
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sudo apt update -y
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sudo apt full-upgrade -y
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## Avoid phased updates
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sudo apt install -y curl
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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
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sudo chmod 644 /etc/apt/apt.conf.d/99sane-upgrades
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# Update system
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sudo apt update -y
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sudo apt full-upgrade -y
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sudo apt autoremove -y
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# Remove unneeded packages
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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
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sudo apt autoremove -y
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sudo snap remove firefox gnome-text-editor snap-store
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sudo rm -rf /usr/share/hplip
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# Install packages that I use
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sudo apt install -y gnome-console gnome-software-plugin-flatpak
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sudo snap install gnome-text-editor
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# Install appropriate virtualization drivers
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if [ "$virtualization" = 'kvm' ]; then
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sudo apt install -y qemu-guest-agent spice-vdagent
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fi
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# Setup Flatpak
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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
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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
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flatpak remote-add --if-not-exists --user flathub https://dl.flathub.org/repo/flathub.flatpakrepo
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flatpak --user install org.gnome.Extensions com.github.tchx84.Flatseal org.gnome.Loupe -y
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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
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flatpak --user override org.gnome.Extensions --talk-name=org.gnome.Shell.Extensions
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flatpak update -y
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# Rosetta setup
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if [ -f /media/psf/RosettaLinux/rosetta ] || [ -f /media/rosetta/rosetta ]; then
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if [ -f /media/rosetta/rosetta ]; then
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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
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fi
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unpriv curl https://raw.githubusercontent.com/TommyTran732/Linux-Setup-Scripts/main/etc/apt/rosetta-sources.list | sudo tee /etc/apt/sources.list
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rm -rf /etc/apt/sources.list.d/proposed.list
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sudo dpkg --add-architecture amd64
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sudo apt update
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sudo apt full-upgrade -y
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fi
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# Install Microsoft Edge if x86_64
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MACHINE_TYPE=$(uname -m)
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if [ "${MACHINE_TYPE}" == 'x86_64' ] || [ -f /media/psf/RosettaLinux/rosetta ] || [ -f /media/rosetta/rosetta ]; then
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umask 022
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output 'x86_64 machine, installing Microsoft Edge.'
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unpriv curl https://packages.microsoft.com/keys/microsoft.asc | gpg --dearmor | sudo tee /usr/share/keyrings/microsoft.gpg
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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
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sudo apt update
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sudo apt full-upgrade -y
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sudo apt install -y microsoft-edge-stable
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sudo mkdir -p /etc/opt/edge/policies/managed/ /etc/opt/edge/policies/recommended/
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unpriv curl https://raw.githubusercontent.com/TommyTran732/Microsoft-Edge-Policies/main/Linux/managed.json | sudo tee /etc/opt/edge/policies/managed/managed.json
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unpriv curl https://raw.githubusercontent.com/TommyTran732/Microsoft-Edge-Policies/main/Linux/recommended.json | sudo tee /etc/opt/edge/policies/recommended/recommended.json
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if [ -f /media/psf/RosettaLinux/rosetta ] || [ -f /media/rosetta/rosetta ]; then
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#Edge does not seem to work on Wayland with Rosetta - dunno why yet. Probably missing libraries?
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sudo rm -rf /etc/systemd/user/org.gnome.Shell@wayland.service.d
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else
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sudo mkdir -p /usr/local/share/applications
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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
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fi
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umask 077
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fi
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# Enable fstrim.timer
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sudo systemctl enable --now fstrim.timer
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### Differentiating bare metal and virtual installs
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# Setup tuned
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if [ "$virtualization" = 'none' ]; then
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output "Bare Metal installation. Tuned will not be set up here - PPD should take care of it."
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else
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sudo apt purge -y power-profiles-daemon
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sudo apt install -y tuned
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systemctl enable --now tuned
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sudo tuned-adm profile virtual-guest
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fi
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# Setup fwupd
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echo 'UriSchemes=file;https' | sudo tee -a /etc/fwupd/fwupd.conf
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sudo systemctl restart fwupd
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# Setup networking
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# UFW Snap is strictly confined, unlike its .deb counterpart
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sudo apt purge -y ufw
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sudo snap install ufw
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sudo ufw enable
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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
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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
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sudo nmcli general reload conf
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sudo hostnamectl hostname 'localhost'
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sudo hostnamectl --transient hostname ''
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sudo mkdir -p /etc/systemd/system/NetworkManager.service.d
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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
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sudo systemctl daemon-reload
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sudo systemctl restart NetworkManager
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