Documentation on Installing Arch with Crypto
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test b53452d276 just testing 4 years ago
README.md just testing 4 years ago

README.md

  - 1MB or so of free space (irrelevant really - more for disk alignment than anything else)
  - 100MB of EFI system for /boot/efi (mkfs.vfat -F32 /dev/sda1) (hex ef00)
  - 250MB of ext4 for /boot
  - Remaining space for LVM group which will contain swap and crypto root
  - ff

HEHEHEH
lvm pvcreate /dev/sda3
lvm vgcreate GROUPNAME /dev/sda3
lvm lvcreate -L 500M -n swap GROUPNAME
lvm lvcreate -l 100%FREE -n root GROUPNAME
  • Set up crypt on root now, and give it an fs
cryptsetup luksFormat -c aes-xts-plain64 -s 512 /dev/mapper/GROUPNAME-root
crypsetup open --type luks /dev/mapper/GROUPNAME-root root
mkfs -t ext4 /dev/mapper/root
mount /dev/mapper/root /mnt
  • Make a /mnt/boot folder now, and mount /dev/sda2 to it (with an ext4 partition)
  • Make a /mnt/boot/efi folder, and mount /dev/sda1 to it (with a vfat partition as specified earlier)
  • Follow standard arch install up to the "mkinitcpio" section (I suggest lowering Australia's score in the /etc/pacman.d/mirrorlist to 0.1 - so that it uses our servers) (https://wiki.archlinux.org/index.php/Installation_guide#Installation)
  • pacstrap with base, base-devel, grub-efi-x86_64, efibootmgr, zsh, vim, git, and anything else you can think of now
  • Once installation is up to mkinitcpio, edit hooks for mkinitcpio in /etc/mkinitcpio.conf (HOOKS section) - after "block", and "encrypt" and "lvm2" - in that order. At the end of it (before quotation closes though), append shutdown (which allows encrypted swap stuff to dismount/clean up properly at the end) (https://wiki.archlinux.org/index.php/Dm-crypt/Encrypting_an_entire_system#Configuring_mkinitcpio_3)
  • Edit /etc/default/grub, and to the GRUB_CMDLINE_LINUX_DEFAULT, add: cryptdevice=/dev/mapper/GROUPNAME-root:root root=/dev/mapper/root (where :root is the name it'll be mounted as after decryption) (https://wiki.archlinux.org/index.php/Dm-crypt/System_configuration#Boot_loader)
mkinitcpio -p linux       (https://wiki.archlinux.org/index.php/Installation_guide#Configure_the_system)
grub-install --target=x86_64-efi --efi-directory=/boot/efi --bootloader-id=grub    (https://wiki.archlinux.org/index.php/GRUB#Installation_2)
grub-mkconfig -o /boot/grub/grub.cfg  ("Failed to connect" warnings are fine here)  (https://wiki.archlinux.org/index.php/GRUB#Generate_the_main_configuration_file)
  • Encrypted swap is pretty simple. This will regenerate the encryption key for swap as entirely random each time. Edit your /etc/crypttab file to refer to swap by disk-id, or you'll potentially kill your root:
> ls /dev/disk/by-id/* | grep swap    # mine showed as /dev/disk/by-id/dm-name-GROUPNAME-swap
# Add to crypttab as follows:
swap    /dev/disk/by-id/dm-name-GROUPNAME-swap  /dev/urandom    swap,cipher=aes-cbc-essiv:sha256,size=256
  • Next, edit your fstab to reflect this:
/dev/mapper/swap    none    swap    sw  0   0
  • Unmount and reboot

FDE with YubiKey 2FA

yaourt -S mkinitcpio-ykfde
echo "root /dev/cryptoroot/root -" > /etc/crypttab.initramfs

Edit /etc/ykfde.conf:

[general]
yk slot = 2
device name = root
second factor = yes
[350350]
luks slot = 7

In yubikey-personalization-gui, edit the second slot, and make it HMAC-SHA1 challenge response. Then, run: sudo ykfde - it will ask for a current valid passphrase in order to install itself. Once done, create a new passphrase:

ykfde --ask-new-2nd-factor

Generate the CPIO challenge archive with: sudo ykfde-cpio

Enable systemd: sudo systemctl enable ykfde.service

Edit /etc/mkinitcpio.conf, and make the HOOKS look like:

HOOKS="base udev autodetect systemd sd-encrypt modconf ykfde block encrypt sd-lvm2 filesystems keyboard fsck shutdown"

Generate the new CPIO: sudo mkinitcpio -p linux

Generate the new GRUB: sudo grub-mkconfig -o /boot/grub/grub.cfg

Customising post-install

#systemctl enable netctl-ifplugd@enp2s0
#systemctl enable netctl-auto@wlp3s0  #for wifi, run Wi-Fi-menu to set up for first time
pacman -S dialog xorg-server xorg-xinit dmenu xorg i3 wpa_actiond ifplugd wpa_supplicant sudo zsh git tmux zathura ranger vlc weechat ttf-dejavu ttf-inconsolata lxappearance ntfs-3g udevil cifs-utils zenity curlftpfs scrot nfs-utils sshfs vim-systemd
useradd -m -G wheel -s /usr/bin/zsh USERNAME
visudo # uncomment the %wheel line to allow wheel group full sudo access
pacman -S sddm
sddm --example-config > /etc/sddm.conf
pacman -S rxvt-unicode rxvt-unicode-terminfo
systemctl enable sddm.service
yaourt -S xfce-theme-greybird
lxappearance   #set Greybird
pacman -S arandr   (http://tutos.readthedocs.org/en/latest/source/Arch.html)

  • Edit ~/.Xdefaults:
! urxvt

URxvt*geometry:                115x40
!URxvt*font: xft:Liberation Mono:pixelsize=14:antialias=false:hinting=true
!URxvt*font: xft:Inconsolata:pixelsize=17:antialias=true:hinting=true
!URxvt*boldFont: xft:Inconsolata:bold:pixelsize=17:antialias=false:hinting=true
!URxvt*boldFont: xft:Liberation Mono:bold:pixelsize=14:antialias=false:hinting=true
URxvt*depth:                24
URxvt*borderless: 1
URxvt*scrollBar:            false
URxvt*saveLines:  2000
URxvt.transparent:      true
URxvt*.shading: 10

! Meta modifier for keybindings
!URxvt.modifier: super

!! perl extensions
URxvt.perl-ext:             default,url-select,clipboard

! url-select (part of urxvt-perls package)
URxvt.keysym.M-u:           perl:url-select:select_next
URxvt.url-select.autocopy:  true
URxvt.url-select.button:    2
URxvt.url-select.launcher:  chromium
URxvt.url-select.underline: true

! Nastavuje kopirovani
URxvt.keysym.Shift-Control-V: perl:clipboard:paste
URxvt.keysym.Shift-Control-C:   perl:clipboard:copy

! disable the stupid ctrl+shift 'feature'
URxvt.iso14755: false
URxvt.iso14755_52: false

!urxvt color scheme:

URxvt*background: #2B2B2B
URxvt*foreground: #DEDEDE

URxvt*colorUL: #86a2b0

! black
URxvt*color0  : #2E3436
URxvt*color8  : #555753
! red
URxvt*color1  : #CC0000
URxvt*color9  : #EF2929
! green
URxvt*color2  : #4E9A06
URxvt*color10 : #8AE234
! yellow
URxvt*color3  : #C4A000
URxvt*color11 : #FCE94F
! blue
URxvt*color4  : #3465A4
URxvt*color12 : #729FCF
! magenta
URxvt*color5  : #75507B
URxvt*color13 : #AD7FA8
! cyan
URxvt*color6  : #06989A
URxvt*color14 : #34E2E2
! white
URxvt*color7  : #D3D7CF
URxvt*color15 : #EEEEEC

Network Manager

pacman -S networkmanager network-manager-applet networkmanager-{openconnect,openvpn,pptp,vpnc} dnsmasq modemmanager dhclient
pacman -S gnome-keyring
systemctl enable NetworkManager.service