iankelling.org Git - automated-distro-installer/blob - 11-iank

   1 #!/bin/bash -x
   2 # This file is part of Ian Kelling's automated-distro-installer
   3 # Copyright (C) 2024 Ian Kelling
   4
   5 # This program is free software; you can redistribute it and/or
   6 # modify it under the terms of the GNU General Public License
   7 # as published by the Free Software Foundation; either version 2
   8 # of the License, or (at your option) any later version.
   9
  10 # This program is distributed in the hope that it will be useful,
  11 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13 # GNU General Public License for more details.
  14
  15 # You should have received a copy of the GNU General Public License
  16 # along with this program; if not, write to the Free Software
  17 # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
  18
  19 set -eE -o pipefail
  20 trap 'echo "$0:$LINENO:error: \"$BASH_COMMAND\" returned $?" >&2' ERR
  21
  22 if [[ $EUID != 0 ]]; then
  23   echo "$0: error: expected to be root."
  24   exit 1
  25 fi
  26
  27 fcopy -riB /root
  28
  29
  30 #### misc configurations
  31 chroot $FAI_ROOT bash <<'EOFOUTER'
  32 set -x
  33 if getent group systemd-journal >/dev/null; then
  34   # makes the journal be saved to disk.
  35   mkdir -p /var/log/journal
  36   chmod 755 /var/log/journal
  37 fi
  38 debconf-set-selections <<EOF
  39 kexec-tools kexec-tools/load_kexec boolean false
  40 EOF
  41 apt-get install -y pxe-kexec
  42
  43 # this is usefull. Only thing reason I see this being disabled by default is
  44 # that a non-root user can disrupt the system, eg cause a reboot.
  45 sed -i '$a kernel.sysrq=1
  46 /^kernel.sysrq=/d' /etc/sysctl.conf
  47
  48 EOFOUTER
  49
  50 cmdline_extra="$d16_cmdline $fsf_cmdline_extra"
  51
  52 # luks options, see man systemd-cryptsetup-generator
  53 # all i know is that with luks.crypttab=no, swap still timed out on boot.
  54 # and with rd.luks.crypttab=no, it works.
  55 cmdline="rd.luks.crypttab=no net.ifnames=0 $cmdline_extra"
  56
  57 chroot $FAI_ROOT bash <<EOF
  58 set -x
  59 set -eE -o pipefail
  60 # https://askubuntu.com/questions/33416/how-do-i-disable-the-boot-splash-screen-and-only-show-kernel-and-boot-text-inst
  61
  62 sed -ri 's/(^GRUB_CMDLINE_LINUX_DEFAULT=")quiet/\1/;s/^(GRUB_CMDLINE_LINUX_DEFAULT=".*) quiet([ "])/\1\2/' /etc/default/grub
  63 sed -ri 's/(^GRUB_CMDLINE_LINUX_DEFAULT=")splash/\1/;s/^(GRUB_CMDLINE_LINUX_DEFAULT=".*) splash([ "])/\1\2/' /etc/default/grub
  64
  65 for arg in $cmdline; do
  66   if ! grep "^GRUB_CMDLINE_LINUX_DEFAULT=.*[\" ]\${arg//./\\.}[\" ]" /etc/default/grub; then
  67     sed -ri "s/^GRUB_CMDLINE_LINUX_DEFAULT=\"(.*)/GRUB_CMDLINE_LINUX_DEFAULT=\"\$arg \1/" /etc/default/grub
  68   fi
  69 done
  70
  71 if grep -qF "$cmdline" /etc/default/grub; then
  72   # already set things, exit
  73   exit 0
  74 fi
  75
  76 # required to show vga grub on d16, at least for t11
  77 echo GRUB_TERMINAL=console >>/etc/default/grub
  78
  79
  80 sed -ri 's/^ *GRUB_CMDLINE_LINUX_DEFAULT=.*/GRUB_CMDLINE_LINUX_DEFAULT="$cmdline"/' /etc/default/grub
  81 sed -ri 's/^ *GRUB_TIMEOUT_STYLE=.*/GRUB_TIMEOUT_STYLE=menu/' /etc/default/grub
  82 sed -ri 's/^ *GRUB_TIMEOUT=.*/GRUB_TIMEOUT=6/' /etc/default/grub
  83 # on xenial, no grub is displayed at all. fix that.
  84 # found just by noticing this in the config file, and a
  85 # warning about it in error.log
  86 sed -i '/^ *GRUB_HIDDEN_TIMEOUT/d' /etc/default/grub
  87
  88 if type -P update-grub2 &>/dev/null; then
  89   update-grub2
  90 else
  91   update-grub
  92 fi
  93
  94 EOF
  95
  96
  97 # I prefer to stick with ifup/down or networkmanager: networkd is not in its
  98 # own package, so cant use in other init systems. b. it works fine.
  99 chroot $FAI_ROOT bash <<EOF
 100 systemctl disable systemd-networkd.socket systemd-networkd networkd-dispatcher systemd-networkd-wait-online
 101 systemctl mask systemd-networkd.socket systemd-networkd networkd-dispatcher systemd-networkd-wait-online
 102 EOF