debian-setup.sh

   1 #!/bin/sh
   2
   3 if [ "$(id -u)" != 0 ]; then
   4         echo 'Must be run as root' >&2
   5         exit 1
   6 fi
   7
   8 set -eux
   9
  10 user=$(getent passwd 1000)
  11 user=${user%%:*}
  12 if [ -z "$user" ]; then
  13         echo 'Unable to determine user name' >&2
  14         exit 1
  15 fi
  16
  17 # Makes git’s interactive.singleKey work
  18 apt install libterm-readkey-perl
  19
  20 # Add current user to sudo; ask root password
  21 apt install sudo
  22 grep rootpw   </etc/sudoers || echo "Defaults   rootpw"              >>/etc/sudoers
  23 grep "^$user" </etc/sudoers || echo "$user      ALL=(root:root) ALL" >>/etc/sudoers
  24
  25 # Shrink initramfs
  26 apt install busybox
  27 sed -i 's/^MODULES=.*/MODULES=dep/' /etc/initramfs-tools/initramfs.conf
  28
  29 # Boot into console
  30 sed -i '
  31         s/^GRUB_TIMEOUT=.*/GRUB_TIMEOUT=2/
  32         s/^GRUB_CMDLINE_LINUX_DEFAULT=.*/GRUB_CMDLINE_LINUX_DEFAULT=systemd.show_status=1/
  33         s/^GRUB_CMDLINE_LINUX=.*/GRUB_CMDLINE_LINUX=text/
  34         s/^#\?GRUB_TERMINAL=.*/GRUB_TERMINAL=console/
  35 ' /etc/default/grub
  36 update-grub
  37 systemctl set-default multi-user.target
  38
  39 # Keyboard layout in console
  40 cat >/etc/default/keyboard <<EOF
  41 # Consult the keyboard(5) manual page.
  42 XKBMODEL=pc105
  43 XKBLAYOUT=pl,pl
  44 XKBVARIANT=dvp,
  45 XKBOPTIONS=ctrl:nocaps,grp:shifts_toggle,grp_led:scroll,nbsp:level3n,compose:lctrl-altgr,compose:rctrl-algtgr
  46 BACKSPACE=guess
  47 EOF
  48
  49 # Auto login
  50 dir=/etc/systemd/system/getty@tty1.service.d
  51 mkdir -p "$dir"
  52 echo >$dir/override.conf "
  53 [Service]
  54 ExecStart=
  55 ExecStart=-/sbin/agetty --autologin $user --noclear %I 38400 linux
  56 TTYVTDisallocate=no"
  57
  58 # Fun issue file
  59 # shellcheck disable=SC2018
  60 >/etc/issue printf '
  61  _____ _____ _____                              _____ _____ _____ _____
  62 |   | |   __|  _  | ... %shemtrails %sontrol ... |   __|     |  |  |     |
  63 | | | |__   |     | Regional %sonitoring %system |  |  |   --|     |  |  |
  64 |_|___|_____|__|__| ....... Node %s/%02d ....... |_____|_____|__|__|__  _|
  65                                                        Scarborough  |__|
  66
  67 ' C C M S "$(tr -dc a-z </dev/urandom |head -c2)" "$(shuf -i0-99 -n1)"
  68
  69 # Install and fix Sawfish
  70 apt install sawfish
  71 rm -f -- /etc/X11/sawfish/site-init.d/00debian.jl \
  72          /etc/X11/sawfish/site-init.d/00menu.jl