====== Information ======

  * Arch Linux Installation

====== Download ======

  * https://www.archlinux.org/download

====== Installation Notes ======

  * https://wiki.archlinux.org/index.php/Installation_guide

====== Initial ======

===== EFI Entry Wipe =====

  * Repeat ''-b'' for every entry that appears with ''-v''

  efibootmgr -v

  efibootmgr -b 0000 -B

  efibootmgr -b 0001 -B

  efibootmgr -O

===== Drive Wipe =====

  * See [[distros:arch_linux_install#hdparm_secure_erase | hdparm Secure Erase]] for thorough erase
  * Change ''/dev/sda'' to match environment
  * Run the ''dd'' command for a few seconds or so just to wipe out any surviving disk/partition information at the beginning of the drive

  lsblk

  sgdisk --zap-all '/dev/sda'

  dd if='/dev/zero' of='/dev/sda'

  reboot

===== Test Internet =====

****

  ping 'archlinux.org'

===== Wireless Connection =====

  * ''iw dev'' is used to find the wireless interface name
  * If single wireless interface exists, no need to specify it

  iw dev

  wifi-menu -o 'wlp3s0'

===== Enable SSH =====

  * Allows installation over SSH
  * ''ifconfig'' shows the IP address
  * Connect with the username ''root''

  ip addr

  passwd

  systemctl start 'sshd'

===== Synchronize Time =====

****

  timedatectl set-ntp 'true'

====== Disk Partitioning ======

  * See [[information:partitioning | Partitioning]]

====== Install ======

===== Update Mirrorlist =====

  * Uncomment the commented Server URLs

  wget 'https://www.archlinux.org/mirrorlist/?country=US&protocol=https&ip_version=4' -O '/etc/pacman.d/mirrorlist'

  nano '/etc/pacman.d/mirrorlist'

==== Easy Update Mirrorlist ====

  * Useful for copy/paste over SSH

  wget 'https://www.archlinux.org/mirrorlist/?country=US&protocol=https&ip_version=4' -O '/tmp/mirrorlist' && sed -i 's/#Server/Server/g' '/tmp/mirrorlist' && mv '/tmp/mirrorlist' '/etc/pacman.d/mirrorlist'

===== Install =====

****

  pacstrap -i '/mnt' 'base' 'base-devel'

====== Configuration ======

===== fstab =====

****

  genfstab -L '/mnt' >> '/mnt/etc/fstab'

===== chroot =====

****

  arch-chroot '/mnt'

===== Time Zone =====

  ln -s '/usr/share/zoneinfo/America/New_York' '/etc/localtime'

  hwclock --systohc --utc

===== Locale =====

==== Set locale.gen ====

  * Uncomment ''en_US.UTF-8 UTF-8'' in ''locale.gen''

  nano '/etc/locale.gen'

==== Set locale.conf ====

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

==== Easy .conf and .gen Set ====

  * Useful for copy/paste over SSH
  * This can be used instead of the two commands above

  sed -i 's/#en_US.UTF-8 UTF-8/en_US.UTF-8 UTF-8/g' '/etc/locale.gen' && echo LANG='en_US.UTF-8' > '/etc/locale.conf'

===== Generate =====

****

  locale-gen

===== Hostname =====

  * Change ''x'' to desired hostname

  echo 'x' > '/etc/hostname'

===== Pacman =====

  * Uncomment ''Color'' and ''TotalDownload''
  * Uncomment ''[multilib]'' and its following ''Include'' line on 64-bit installs if multilib is desired
  * Add ''ILoveCandy'' under Misc options

  nano '/etc/pacman.conf'

  pacman -Syyuu

===== NetworkManager =====

  pacman -S 'networkmanager'

  systemctl enable 'NetworkManager'

===== F2FS =====

  * If root partition is **F2FS**, this is mandatory

  pacman -S 'f2fs-tools'

===== OpenSSH =====

  * This is needed for both the service and client

  pacman -S 'openssh'

===== Intel Microcode =====

****

  pacman -S 'intel-ucode'

===== Root Password =====

****

  passwd

===== Create User =====

  * Change ''espionage724'' to desired username

  useradd -m -G 'wheel' -s '/bin/bash' 'espionage724'

  passwd 'espionage724'

  chfn 'espionage724'

===== Enable SSH =====

  pacman -S 'openssh'

  nano '/etc/ssh/sshd_config'

  PermitRootLogin no

  systemctl enable 'sshd.socket'

===== sudo =====

  * Uncomment ''%wheel ALL=(ALL) ALL''

  EDITOR='nano' visudo

  %wheel ALL=(ALL) ALL

===== Nano as default editor =====

  nano '/etc/sudoers.d/nano'

  Defaults editor = /usr/bin/nano

==== Easy Defaults editor ====

  * Useful for copy/paste over SSH

  echo 'Defaults editor = /usr/bin/nano' > '/etc/sudoers.d/nano'

===== Allow nano text wrapping =====

  nano '/etc/nanorc'

  set nowrap

==== Easy set nowrap ====

  * Useful for copy/paste over SSH

  sed -i 's/# set nowrap/set nowrap/g' '/etc/nanorc'

====== Initramfs ======

  * Modules line is needed only if root partition is F2FS
  * Add ''lvm2'' between ''block'' and ''filesystems'' hooks if using LVM
  * Add ''encrypt'' between ''block'' and ''filesystems'' hooks, but before ''lvm2'' for encrypted root partition
  * Add ''COMPRESSION=cat'' to disable image compression

===== Options =====

  nano '/etc/mkinitcpio.conf'

  MODULES="f2fs crc32 libcrc32c crc32c_generic crc32c-intel crc32-pclmul"

  HOOKS="base udev autodetect modconf block encrypt lvm2 filesystems keyboard fsck"

  COMPRESSION=cat

===== Generate =====

****

  mkinitcpio -P

====== Boot Loader ======

===== systemd-boot =====

  * For GPT/EFI set-ups

==== Install ====

****

  bootctl install

==== Entry ====

  * Add ''cryptdevice=/dev/sda2:lvm'' to options if encrypted
  * Change ''root='' to ''/dev/mapper/arch-root'' if using LVM
  * Remove ''initrd /intel-ucode.img'' if not using an Intel processor

  nano '/boot/loader/entries/linux-kernel.conf'

  title Arch Linux (linux-kernel)
  linux /vmlinuz-linux
  initrd /initramfs-linux.img
  initrd /intel-ucode.img
  options root=/dev/sda2 rw quiet

==== Loader ====

  nano '/boot/loader/loader.conf'

  timeout 2
  default linux-kernel
  editor 0

===== GRUB =====

  * For MBR/Legacy set-ups

==== Install ====

  pacman -S 'grub'

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

==== Settings ====

  nano '/etc/default/grub'

  GRUB_TIMEOUT 2

==== Finalize ====

****

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

===== Finalize =====

  sync

  exit

  umount -R '/mnt'

  poweroff

====== Continue ======

  * [[distros:arch_linux_plasma | Arch Linux (Plasma)]]

====== Notable Folders and Commands ======

===== Show CPU Frequency =====

  grep 'MHz' '/proc/cpuinfo'

  watch -n 0.1 grep \'cpu MHz\' '/proc/cpuinfo'

===== Partition Information =====

****

  df -hT

===== hdparm Secure Erase =====

  lsblk

  hdparm -I '/dev/sda' | grep 'not'

  hdparm --user-master u --security-set-pass 'x' '/dev/sda'

  hdparm --user-master u --security-erase 'x' '/dev/sda'