It's old and doesn't work (well) in wheezy / jessie!! - it's not in the repo anymore

Repo for wheezy / jessie: http://www.psand.net/repo/

Check the warnings here! : http://linux-vserver.org/Installation_on_Debian

add to /etc/modules

dummy numdummies=16

if clients don't connect to the internet, check /etc/resolv.conf