"Have you heard about Xen virtualization and want to get some
hands-on experience? Do you want to experiment with Linux
clustering but only have a single computer to devote to the cause?
If you answered yes to either of these questions, keep reading.
"In this article, I briefly introduce the concepts of Xen
virtualization and Linux clustering. From there, I show you how to
set up multiple operating systems on a single computer using Xen
and how to configure them for use with clustering..."