diskimage-builder/elements/vm/finalise.d/52-force-text-mode-console

#!/bin/bash

set -e

# If lsb_release is missing, just do nothing.
DISTRO=`lsb_release -si` || true

GRUBFILE=""

echo 'GRUB_TERMINAL=console' >>/etc/default/grub
echo 'GRUB_GFXPAYLOAD_LINUX=text' >>/etc/default/grub

case $DISTRO in
  'Ubuntu'|'Debian')
    sed -i -e 's/\(^GRUB_CMDLINE_LINUX.*\)"$/\1 nofb nomodeset vga=normal"/' /etc/default/grub
    update-grub
    ;;
  'Fedora')
    # By default the F19 cloud image is using extlinux to boot the image
    if [ -f /boot/grub2/grub.cfg ]; then
      echo 'GRUB_CMDLINE_LINUX="nofb nomodeset vga=normal"' >/etc/default/grub
      sed -i -e 's/terminal_output gfxterm/terminal_output console/' /boot/grub2/grub.cfg
      grub2-mkconfig -o /boot/grub2/grub.cfg
    fi
    ;;
esac