Xen on Centos – various links
Xen is a great tool, but the documentation isn’t always doubleplusgood. Here are the links I usually use when setting up a Xen Dom0 or DomU.
Installing Xen 3.0 on Centos 5.0:
http://www.howtoforge.com/centos_5.0_xen
Installing / setting up Centos Domu:
http://wiki.centos.org/HowTos/Xen/InstallingCentOSDomU
Migrate physical Centos box to Xen-guest:
http://wiki.centos.org/HowTos/Xen/MoveNative2DomU