[Unit] Description=VirtualBox guest services [Service] Type=simple ExecStartPre=-/usr/sbin/modprobe vboxguest ExecStartPre=-/usr/sbin/modprobe vboxsf ExecStart=/usr/sbin/VBoxService -f Restart=on-failure [Install] WantedBy=multi-user.target Alias=vboxadd-timesync.service
