archlinux cheatsheet

(Based on https://wiki.archlinux.org/index.php/Installation_guide)

• Download the ISO from https://www.archlinux.org/download/
• Create a new KVM using the downloaded ISO, and 20G disk.
• Select Boot Arch Linux (x86₆₄)
• Test the network:

  ping archlinux.org

• Update the system clock:

  timedatectl set-ntp true

• Partition the disk:

  fdisk /dev/sda

  // root.

  n p <enter> <enter> +19G

  // swap.

  n p <enter> <enter> <enter> w

• Format the partitions:

  mkfs.ext4 /dev/sda1

  mkswap /dev/sda2

• Mount the filesystem:

  mount /dev/sda1 /mnt

• Enable the swap:

  swapon /dev/sda2

• Install the base packages:

  pacstrap /mnt base

• Generate fstab:

  genfstab -U /mnt >> /mnt/etc/fstab

• Add the swap to /mnt/etc/fstab:

  echo "UUID=$(lsblk -no UUID /dev/sda2) none swap defaults 0 0" >> /mnt/etc/fstab

• Change chroot:

  arch-chroot /mnt

• Set the timezone:

  ln -s /usr/share/zoneinfo/America/Costa_Rica /etc/localtime

• Generate /etc/adjtime:

  hwclock –systohc

• Generate locales:

  sed -i "s/#en_US.UTF-8 UTF-8/en_US.UTF-8 UTF-8/g" /etc/locale.gen

  locale-gen

  echo "LANG=en_US.UTF-8" > /etc/locale.conf

• Set hostname:

  echo "archlinux" > /etc/hostname

• Set root password:

  passwd

• Install grub:

  pacman -S grub

  grub-install –target=i386-pc /dev/sda

  grub-mkconfig -o /boot/grub/grub.cfg

• Reboot:

  exit

  umount -R /mnt

  reboot

• Create user:

  useradd -m -G wheel -s /bin/bash elopio

  passwd elopio

• Set up sudo:

  packman -S sudo

  visudo

  Uncomment the line with:

  %wheel ALL=(ALL) ALL

  exit

  Login as the create user.