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.
Virtuozzo(tm) have one very intresting feature:
you can log into namebased site by SSH with only one SSH instance, runned on host.
So you have not need to have several ports for SSH access.
For VServer you can find how to do that here: http://swapoff.org/LinuxVServer.html