KVM
From Wildsong
On dart...
mkdir /var/kvm cd /var/kvm qemu-img create -f qcow2 bigbluebutton.img 10G /usr/libexec/qemu-kvm -hda bigbluebutton.img -cdrom ~/ubuntu-13.10-server-i386.iso -boot d -m 2048
Now connect via VNC client. On a Mac, open Safari and use a URL like vnc://10.1.10.70/ and away you go.