iankelling.org Git - automated-distro-installer/blob - fai/config/scripts/DEBIAN/11-iank

   1 #!/bin/bash -x
   2
   3 set -eE -o pipefail
   4 trap 'echo "$0:$LINENO:error: \"$BASH_COMMAND\" returned $?" >&2' ERR
   5
   6 if [[ $EUID != 0 ]]; then
   7   echo "$0: error: expected to be root."
   8   exit 1
   9 fi
  10
  11 fcopy -riBM /root
  12
  13
  14 #### misc configurations
  15 chroot $FAI_ROOT bash <<'EOFOUTER'
  16 if getent group systemd-journal >/dev/null; then
  17   # makes the journal be saved to disk.
  18   mkdir -p /var/log/journal
  19   chmod 755 /var/log/journal
  20 fi
  21 debconf-set-selections <<EOF
  22 kexec-tools kexec-tools/load_kexec boolean false
  23 EOF
  24 apt-get install -y pxe-kexec
  25
  26 # this is usefull. Only thing reason I see this being disabled by default is
  27 # that a non-root user can disrupt the system, eg cause a reboot.
  28 sed -i '$a kernel.sysrq=1
  29 /^kernel.sysrq=/d' /etc/sysctl.conf
  30
  31 EOFOUTER
  32
  33 # luks options, see man systemd-cryptsetup-generator
  34 # all i know is that with luks.crypttab=no, swap still timed out on boot.
  35 # and with rd.luks.crypttab=no, it works.
  36 cmdline="rd.luks.crypttab=no net.ifnames=0 $cmdline_extra"
  37
  38
  39 chroot $FAI_ROOT bash <<EOF
  40 set -eE -o pipefail
  41 # https://askubuntu.com/questions/33416/how-do-i-disable-the-boot-splash-screen-and-only-show-kernel-and-boot-text-inst
  42
  43 sed -ri 's/(^GRUB_CMDLINE_LINUX_DEFAULT=")quiet/\1/;s/^(GRUB_CMDLINE_LINUX_DEFAULT=".*) quiet([ "])/\1\2/' /etc/default/grub
  44 sed -ri 's/(^GRUB_CMDLINE_LINUX_DEFAULT=")splash/\1/;s/^(GRUB_CMDLINE_LINUX_DEFAULT=".*) splash([ "])/\1\2/' /etc/default/grub
  45
  46 for arg in $cmdline; do
  47   if ! grep "^GRUB_CMDLINE_LINUX_DEFAULT=.*[\" ]\${arg//./\\.}[\" ]" /etc/default/grub; then
  48     sed -ri "s/^GRUB_CMDLINE_LINUX_DEFAULT=\"(.*)/GRUB_CMDLINE_LINUX_DEFAULT=\"\$arg \1/" /etc/default/grub
  49   fi
  50 done
  51
  52 if grep -qF "$cmdline" /etc/default/grub; then
  53   # already set things, exit
  54   exit 0
  55 fi
  56 sed -ri 's/^ *GRUB_CMDLINE_LINUX_DEFAULT=.*/GRUB_CMDLINE_LINUX_DEFAULT="$cmdline"/' /etc/default/grub
  57 sed -ri 's/^ *GRUB_TIMEOUT_STYLE=.*/GRUB_TIMEOUT_STYLE=menu/' /etc/default/grub
  58 sed -ri 's/^ *GRUB_TIMEOUT=.*/GRUB_TIMEOUT=6/' /etc/default/grub
  59 # on xenial, no grub is displayed at all. fix that.
  60 # found just by noticing this in the config file, and a
  61 # warning about it in error.log
  62 sed -i '/^ *GRUB_HIDDEN_TIMEOUT/d' /etc/default/grub
  63
  64 if type -P update-grub2 &>/dev/null; then
  65   update-grub2
  66 else
  67   update-grub
  68 fi
  69
  70 EOF
  71
  72
  73 # I prefer to stick with ifup/down or networkmanager: networkd is not in its
  74 # own package, so cant use in other init systems. b. it works fine.
  75 chroot $FAI_ROOT bash <<EOF
  76 systemctl disable systemd-networkd.socket systemd-networkd networkd-dispatcher systemd-networkd-wait-online
  77 systemctl mask systemd-networkd.socket systemd-networkd networkd-dispatcher systemd-networkd-wait-online
  78 EOF