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basic_install.md

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My Arch linux installation

This is a step by step manual installation for a basic Arch linux. The installation follows my preferences and is just meant as reminder for me or as an inspiration for others interested in Arch Linux

Install

  • Set german keyboard layout
loadkeys de-latin1
  • Check if UEFI boot
    If the directory does not exist => no UEFI boot
ls /sys/firmware/efi/efivars
  • Test whether you're connected to the internet. Required to go any further
ping archlinux.org
  • Set time
timedatectl set-ntp true
  • Test time
timedatectl status
  • Setup partitioning
cfdisk

1 Partition for /boot (~200MB) 1 Partition for everything else

  • Load kernel modules for encryption
modprobe dm-crypt

  • Encrypt the working partition

    • Setup encryption of sda2

      cryptsetup -y -v luksFormat /dev/sda2

    • Open the encrypted partition

      cryptsetup open /dev/sda2 cryptroot

    • Install btrfs on the partition

      mkfs.btrfs /dev/mapper/cryptroot

    • Mount the partition

      mount /dev/mapper/cryptroot /mnt

    • Check wheather the cryptsetup mapping works as intended

      umount /mnt
cryptsetup close cryptroot
cryptsetup open /dev/sdaX cryptroot
mount /dev/mapper/cryptroot /mnt

  • Preparing the boot partition

mkfs.ext2 /dev/sda1
mkdir /mnt/boot
mount /dev/sda1 /mnt/boot
  • Install base packages, kernel, etc
pacstrap /mnt base
  • Create and check fstab
genfstab -U /mnt >> /mnt/etc/fstab
cat /mnt/etc/fstab
  • Change root into the new systems
arch-chroot /mnt
  • Set timezone
ln -sf /usr/share/zoneinfo/CET /etc/localtime
  • Set hardware clock
hwclock --systohc
  • Generate locales
locale-gen
  • Set os locale
vi /etc/locale.conf
LANG=en_US.UTF-8
  • Set keyboard layout
vi /etc/vconsole.conf
KEYMAP=de-latin1
  • Set hostname
vi /etc/hostname
myhostname
  • Add hostname resolution
vi /etc/hosts
***1	myhostname.localdomain	myhostname
  • Install btrfs utils.
    This is required, because the btrfs-progs are not installed during the base installation, but required while recreating the initramfs.
pacman -S btrfs-progs
  • Edit /etc/mkinitcpio.conf
    Add the missing entries around "block"
HOOKS="... keyboard keymap block encrypt ... filesystems ..."
  • Recreate initramfs
mkinitcpio -p linux
  • Set the root password
passwd
  • Install vim - Just for me to make some editing easier
pacman -S vim
  • Choose a bootloader - I took grub
pacman -S grub
  • Install grub
grub-install --target=i386-pc /dev/sda
  • Add kernel parameter for encryption
vim /etc/default/grub
GRUB_CMDLINE_LINUX="cryptdevice=/dev/sda2:cryptroot"
  • Create grub config
grub-mkconfig -o /boot/grub/grub.cfg
  • Reboot
exit
reboot

Sources