Really needed to virtualize the server as I can't waste all those resources, so first tried vmware which was ok but I'm not that big a fan; I really wanted to go the XEN route.
So, after some experimenting with a dev machine I finally bit the bullet & installed it.
The server processor is an AMD with an ASUS board, so first check you can support virtualization
grep "vmx" /proc/cpuinfo
For AMD, look for SVM, for Intel look for VMX.
Next install xen, 'from here on in, it gets scary fast'
aptitude install xen-linux-system-2.6.26-1-xen-amd64 xen-utils-3.2-1 xenstore-utils xenwatch xen-shell xen-tools
You're not out of the woods yet, edit /etc/modules if you're after image-based virtual machines; skip otherwise.
nano /etc/modules ...change loop ...to loop max_loop=64
Save then edit /etc/xen/xend-config.sxp
- Find (network-script network-bridge) and uncomment
- Make sure (network-script network-dummy) is commented
- Make sure (vif-script vif-bridge) is uncommented
(network-script network-bridge) #(network-script network-dummy) (vif-script vif-bridge)
And check which o/s you've got