I often get asked about running hypervisors from portable storage devices and in this column, I'd like to talk about a method for installing and running XenServer 4.1 from a portable USB hard drive.

With the free Citrix XenServer virtualization platform, it's easy to create a highly available virtual server cluster; here's how High availability used to be expensive, requiring both specialized ...

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 ...