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Arch Linux Install

Partitioning

  • Identify the disk to format/partition:
    • lsblk
  • gdisk <DISK>
    • Partition 1: EFI (ef00) 512MB
    • Partition 2: Linux LVM (8e00) Remainder
  • Format boot partition:
    • mkfs.fat -F32 <PARTITION-1>

Encryption

  • Encrypt the disk:
    • cryptsetup luksFormat <PARTITION-2>
  • Open the disk:
    • cryptsetup open --type luks <PARTITION-2> cryptlvm
    • The decrypted container is now available at /dev/mapper/cryptlvm.
  • Create a physical volume:
    • pvcreate /dev/mapper/cryptlvm
  • Create a volume group:
    • vgcreate volume /dev/mapper/cryptlvm
  • Create logical volumes on the volume group:
    • lvcreate -L64G volume -n root
    • lvcreate -l 100%FREE volume -n home
    • lvreduce -L -256M volume/home
  • Format filesystems on each logical volume:
    • mkfs.ext4 /dev/volume/root
    • mkfs.ext4 /dev/volume/home
  • Mount the filesystems:
    • mount /dev/volume/root /mnt
    • mount --mkdir /dev/volume/home /mnt/home
    • mount --mkdir <PARTITION-1> /mnt/boot

Installation

  • Install necessary packages:
    • pacstrap /mnt base base-devel linux linux-firmware lvm2 amd-ucode nano
  • Generate fstab:
    • genfstab -U /mnt >> /mnt/etc/fstab
  • chroot into the system:
    • arch-chroot /mnt
  • Set time locale:
    • ln -sf /usr/share/zoneinfo/Canada/Eastern /etc/localtime
  • Set clock:
    • hwclock --systohc
  • Edit /etc/locale.gen and uncomment desired localizations (en_CA.UTF-8 UTF-8).
  • Run locale-gen.
  • Create locale config:
    • locale > /etc/locale.conf
    • Edit with appropriate language code (LANG=en_CA.UTF-8).
  • Add a hostname:
    • nano /etc/hostname
  • Update /etc/hosts with hostname:
    • 127.0.1.1 <HOSTNAME>.localdomain <HOSTNAME>
  • Update mkinitcpio hooks (/etc/mkinitcpio.conf):
    • HOOKS=(base udev autodetect modconf kms keyboard keymap consolefont block encrypt lvm2 filesystems fsck)
  • Regenerate initramfs:
    • mkinitcpio -p linux
  • Install bootloader:
    • bootctl --path=/boot/ install
  • Create bootloader (/boot/loader/loader.conf):
default arch
timeout 3
editor 0
  • Create bootloader entry (/boot/loader/entries/arch.conf):
    • <PARTITION-2 UUID> can be obtained via the blkid <PARTITION-2> command.
title Arch Linux
linux /vmlinuz-linux
initrd /amd-ucode.img
initrd /initramfs-linux.img
options cryptdevice=UUID=<PARTITION-2 UUID>:cryptlvm:allow-discard root=/dev/volume/root quiet rw
  • Set root password: passwd
  • Exit chroot: exit
  • Unmount:
    • umount -R /mnt
  • Reboot: reboot

Post-Install

  • Enable TRIM: sudo systemctl enable --now fstrim.timer
  • Improved encrypted SSD performance: sudo cryptsetup --allow-discards --perf-no_read_workqueue --perf-no_write_workqueue --persistent refresh cryptlvm
  • If dual-booting with Windows:
    • Keep Windows time in sync with Linux: sudo timedatectl set-local-rtc 1 --adjust-system-clock

Network

  • Enable NTP: timedatectl set-ntp true
  • Create user: useradd -m -G wheel <NAME>
  • Setup systemd-networkd and systemd-resolved:
    • sudo ln -s /run/systemd/resolve/stub-resolv.conf /etc/resolve.conf
    • sudo systemctl enable --now systemd-networkd
    • sudo systemctl enable --now systemd-resolved

Auto-Login

  • Create /etc/systemd/system/[email protected]/autologin.conf with the following contents:
[Service]
ExecStart=
ExecStart=-/sbin/agetty -o '-p -f -- \\u' --noclear --autologin username %I $TERM