virtualbox at boot and shutdown

#! /bin/sh

# chkconfig: 345 35 65
# description: VirtualBox virtual machines manager
#
### BEGIN INIT INFO
# Provides:       startvm
# Required-Start: vboxdrv
# Required-Stop:  vboxdrv
# Default-Start:  2 3 4 5
# Default-Stop:   0 1 6
# Description:    VirtualBox virtual machines manager
### END INIT INFO

PATH=$PATH:/bin:/sbin:/usr/sbin

# Source function library.
. /etc/init.d/functions

# user to use to start VirtualBox
VMUSER=armando

# virtual machines to manage
VMS=(
    "CentOS 7"
)



case "$1" in
  start)
    echo "Starting VirtualBox VM ..."
    for VM in "${VMS[@]}"
    do
        sudo -u $VMUSER VBoxManage startvm "$VM" --type headless >> /var/log/startvm.log 2>&1
    done
    success
    ;;
  stop)
    echo "Saving state of VirtualBox VM ..."
    for VM in "${VMS[@]}"
    do
        sudo -u $VMUSER VBoxManage controlvm "$VM" savestate >> /var/log/startvm.log 2>&1
    done
    success
    ;;
  *)
    echo "Usage: /etc/init.d/startvm {startstop}"
    exit 1
    ;;
esac

exit 0

remember to modify in file /etc/sudoers row

Defaults    requiretty

to

#Defaults    requiretty

a more recent approach stay here https://ubuntuforums.org/showthread.php?t=2387221