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Simple and opinionated Arch Linux (post-)install scripts

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Arch Linux install scripts

Note: These scripts are not meant to be another full-fledged Arch installer. They are made to fit my devices: Dell XPS 7390 and custom desktop build (Ryzen 3700X and RX 5700XT). In any case, as long as you don't use a Nvidia GPU, they should work fine.

Install script

  • LVM on LUKS
  • LUKS2
  • systemd-boot (with Pacman hook for automatic updates)
  • systemd init hooks (instead of busybox)
  • SSD Periodic TRIM
  • Intel/AMD microcode
  • Standard Kernel + LTS kernel as fallback
  • Hibernate support
  • Kernel: LZ4 compression
  • NMI watchdog disabled
  • Swappiness set to 20

Requirements

  • UEFI mode
  • NVMe SSD
  • TRIM compatible SSD
  • CPU: Intel (Skylake or newer) / AMD
  • GPU: AMDGPU - only if CPU vendor is AMD (this combination is hard-coded. For now, base script checks for CPU vendor and if it's AMD, then it'll also install required drivers for AMD GPU)

Partitions

Name Type Mountpoint
nvme0n1 disk
├─nvme0n1p1 part /boot
├─nvme0n1p2 part
   └─cryptlvm crypt
       ├─vg0-swap lvm [SWAP]
       └─vg0-root lvm /

Post install script

  • Gnome / KDE / Sway / i3 (separate scripts)
  • UFW (deny incoming, allow outgoing)
  • Automatic login
  • Fonts
  • Wallpapers
  • Multilib
  • yay (AUR helper)
  • Plymouth
  • Flatpak support
  • Syncthing
  • Browsers:
    • Firefox: via Flatpak, with hardware acceleration enabled (see below: MISC - Firefox required configs for VA-API support)
    • Chrome: via Flatpak, with hardware acceleration enabled
    • Chromium: via Flatpak, with hardware acceleration enabled

Installation guide

  1. Download and boot into the latest Arch Linux iso
  2. Connect to the internet. If using wifi, you can use iwctl to connect to a network:
    • scan for networks: station wlan0 scan
    • list available networks: station wlan0 get-networks
    • connect to a network: station wlan0 connect SSID
  3. Give highest priority to the closest mirror to you on /etc/pacman.d/mirrorlist by moving it to the top
  4. Sync repos: pacman -Sy and install wget pacman -S wget
  5. wget https://raw.githubusercontent.com/exah-io/arch-linux/master/1_install.sh
  6. Change the variables at the top of the file (lines 3 through 9)
    • continent_country must have the following format: Zone/SubZone . e.g. Europe/Berlin
    • run timedatectl list-timezones to see full list of zones and subzones
  7. Make the script executable: chmod +x 1_install.sh
  8. Run the script: ./1_install.sh
  9. Reboot into Arch Linux
  10. Connect to wifi with nmtui
  11. wget https://raw.githubusercontent.com/exah-io/arch-linux/master/2_gnome.sh or 2_plasma.sh or 2_sway.sh
  12. Make the script executable: chmod +x 2_gnome.sh or chmod +x 2_plasma.sh or chmod +x 2_sway.sh
  13. Run the script: ./2_gnome.sh or ./2_plasma.sh or ./2_sway.sh

Misc guides

Firefox required configs for VA-API support

  • Run flatpak --user override --socket=wayland --env="MOZ_WEBRENDER=1 MOZ_ENABLE_WAYLAND=1 GTK_USE_PORTAL=1" org.mozilla.firefox
  • At about:config set gfx.webrender.enabled, media.ffmpeg.vaapi.enabled widget.wayland-dmabuf-vaapi.enabled to true and media.ffvpx.enabled to false and then restart browser
    • Read original blog post here
    • Note: base script already sets the required environment variables. Only changing these 2 configs suffices

How to enable secure boot

  1. Download sbctl-git
  2. Confirm secure boot is disabled and delete existing keys in the bios (should automatically go into setup mode)
  3. Confirm status (setup mode): sudo sbctl status
  4. Create new keys: sudo sbctl create-keys
  5. Enroll new keys: sudo sbctl enroll-keys
  6. Confirm status (setup mode should now be disabled): sudo sbctl status
  7. Confirm what needs to be signed: sudo sbctl verify
  8. Sign with new keys:
  • sudo sbctl sign -s /boot/EFI/BOOT/BOOTX64.EFI
  • sudo sbctl sign -s /boot/EFI/systemd/systemd-bootx64.efi
  • sudo sbctl sign -s /boot/vmlinuz-linux
  • sudo sbctl sign -s /boot/vmlinuz-linux-lts
  • sudo sbctl sign -s /usr/lib/fwupd/efi/fwupdx64.efi -o /usr/lib/fwupd/efi/fwupdx64.efi.signed
  1. Reboot and enable secure boot in the bios
  2. Confirm status (secure boot enabled): sudo sbctl status

How to chroot

mkdir -p /mnt/boot
mount /dev/nvme0n1p1 /mnt/boot
cryptsetup luksOpen /dev/nvme0n1p2 cryptlvm
mount /dev/vg0/root /mnt
arch-chroot /mnt

How to install Firefox Gnome theme

echo "Installing Firefox Flatpak Gnome theme"
git clone https://github.com/rafaelmardojai/firefox-gnome-theme/ && cd firefox-gnome-theme
./scripts/install.sh -f ~/.var/app/org.mozilla.firefox/.mozilla/firefox
rm -rf ~/firefox-gnome-theme

How to install Lutris and Steam (Flatpak)

# Sources:
# https://gitlab.com/freedesktop-sdk/freedesktop-sdk/-/wikis/Mesa-git
# https://github.com/GloriousEggroll/proton-ge-custom#flatpak
# https://github.com/flathub/net.lutris.Lutris

# Add Flatpak repos
flatpak remote-add --user --if-not-exists flathub https://flathub.org/repo/flathub.flatpakrepo
flatpak remote-add --user --if-not-exists flathub-beta https://flathub.org/beta-repo/flathub-beta.flatpakrepo
flatpak update --appstream

# Install mesa-git
flatpak install --user --assumeyes flathub-beta org.freedesktop.Platform.GL.mesa-git//20.08 org.freedesktop.Platform.GL32.mesa-git//20.08

# Install Lutris
flatpak install --user --assumeyes flathub-beta net.lutris.Lutris//beta
flatpak install --user --assumeyes flathub org.gnome.Platform.Compat.i386 org.freedesktop.Platform.GL32.default org.freedesktop.Platform.GL.default

# Give Lutris Flatpak access to external drive
flatpak override --user --filesystem=/mnt/Data/Lutris net.lutris.Lutris

# Install Steam
flatpak install --user --assumeyes flathub com.valvesoftware.Steam
flatpak install --user --assumeyes com.valvesoftware.Steam.CompatibilityTool.Proton

# Give Steam Flatpak access to external drive
flatpak override --user --filesystem=/mnt/Data/Games com.valvesoftware.Steam

# Make Steam and Lutris Flatpak use mesa-git
sed -i "s,Exec=,Exec=env FLATPAK_GL_DRIVERS=mesa-git ," ~/.local/share/flatpak/exports/share/applications/com.valvesoftware.Steam.desktop
sed -i "s,Exec=,Exec=env FLATPAK_GL_DRIVERS=mesa-git ," ~/.local/share/flatpak/exports/share/applications/net.lutris.Lutris.desktop

# Download latest release from GloriousEggroll/proton-ge-custom and move it to Steam Flatpak
curl -Ls https://api.github.com/repos/GloriousEggroll/proton-ge-custom/releases/latest | grep -wo "https.*tar.gz" | wget -qi -
mkdir -p ~/.var/app/com.valvesoftware.Steam/data/Steam/compatibilitytools.d/
tar -xzf Proton-* -C ~/.var/app/com.valvesoftware.Steam/data/Steam/compatibilitytools.d/

# To enable proton ge: https://github.com/GloriousEggroll/proton-ge-custom#enabling

# Allow Steam Link through the Firewall
sudo ufw allow from 192.168.1.0/24 to any port 27036:27037 proto tcp
sudo ufw allow from 192.168.1.0/24 to any port 27031:27036 proto udp

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