[CentOS] headless VirtualBox on Centos

> I am wondering if there is a set of scripts/utilities for automatically
> starting and running headless (no X11) VM's using VirtualBox omn a 
> CentOS 6
> server. VNC/RDP access to the VM's would be fine.

You can also get access to a headless VM console via RDP with VRDE (VBox 
Remote Desktop Extension) available from VBox Extension Pack.