Shell script to start a headless virtualbox vm from a snapshot.

vbox_start.sh

#!/bin/bash

EXPECTED_ARGS=2
if [ $# -ne $EXPECTED_ARGS ]; then
        echo "Usage: $0 VMNAME_or_UUID SNAPSHOTNAME"
        exit 1
fi
set -x
VBoxManage controlvm  "$1" poweroff  #enforce turnoff
VBoxManage snapshot   "$1" restore "$2"   #restore snapshot
VBoxManage showvminfo "$1" | grep State   #display state to verify
VBoxHeadless -s       "$1"  #run in headless mode in background