From CSLabsWiki

debian-base is a base Debian 8.2 install that can be easily copied in order to make VM's without having to install Debian.

Installation parameters were as follows:

root password is root (change this when you being running a VM after cloning it)

Network NIC is a br0 bridge interface, using DHCP, hostname is debian

Additional installed packages by default are:

vim openssh-client htop

This allows users to SSH into their box.