We currently migrate to MediaWiki from our old installation, but not all content has been migrated yet. Take a look at the Wiki Team page for instructions how to help or browse through our new wiki at wiki.linux-vserver.org to find the information already migrated.
Linux-VServer is a Community Project. This means that all development and documentation is done with and by the community, and let me say it's a good and friendly community.
Most Documentation for Linux-VServer is available on the web site http://linux-vserver.org, which is a Wiki, so you can add your stuff there and improve the site this way.
There is also an IRC channel on irc.oftc.net called #vserver, where you always will receive a warm welcome ...