vim /etc/init.d/virtualbox chmod +x /etc/init.d/virtualbox update-rc.d virtualbox defaults
The /etc/init.d/virtualbox script should look like this:
#!/bin/sh
# 2017-08-07 jj5 - SEE: How make Debian wait for all VirtualBox guests to
# stop during shutdown/reboot?: https://superuser.com/a/929292/615689
### BEGIN INIT INFO
# Provides: virtualbox_start_and_stop
# Required-Start: $local_fs $network
# Required-Stop: $local_fs
# Default-Start: 2 3 4 5
# Default-Stop: 0 1 6
# Short-Description:
# Description: Start virtualbox on boot, and shutdown safely on shutdown/reboot.
### END INIT INFO
case "$1" in
start)
echo "Starting Virtualbox "
# Do whatever to start or resume your virtualbox instances.
# Perhaps look for a txt file someplace with VMs that need to be
# restarted or resumed... then start 'em.
;;
stop)
echo "Stopping Virtualbox"
# Do something to either shutdown or savestate your virtualbox instances.
# maybe also save the instances that should be resumed into a txt file
# someplace for the start method above.
# 2017-08-07 jj5 - SEE:
# https://askubuntu.com/a/457564
# 2017-08-07 jj5 - NOTE: You should make sure that ACPI Shutdown actually
# shuts down the guest...
# 2017-08-07 jj5 - SEE: Force Ubuntu Desktop to shutdown on power button:
# https://www.progclub.org/blog/2017/08/07/force-ubuntu-desktop-to-shutdown-on-power-button-keypress-acpi-shutdown/
while [ -n "$( sudo -u jj5 VBoxManage list runningvms )" ]; do
sudo -u jj5 VBoxManage list runningvms \
| sed -r 's/.*\{(.*)\}/\1/' \
| xargs -L1 -I {} sudo -u jj5 VBoxManage controlvm {} acpipowerbutton;
sleep 1;
done;
;;
*)
echo "Usage: /etc/init.d/virtualbox {start|stop}"
exit 1
;;
esac
exit 0
You may also need to Force Ubuntu Desktop to shutdown on power button keypress…