Linux-Vserver is an open-source system used to separate a single physical server into multiple virtual servers. In this tutorial, I'll show you how to install Linux-Vserver on Debian Testing (Etch), the easy way.
Read it here at howtoforge
Most tutorials mention that you need to compile your own kernel in order to use Linux-Vserver. However, Debian Etch includes a Linux-Vserver kernel as standard, so you don't need to compile it yourself. This has the advantage of being easier and faster to install, and it's easy to keep up-to-date with security updates.