Re: [Xen-users] Running Xen after compile

[Sean Greenslade <sean@xxxxxxxxxxxxxxxxxx>]

On Wed, Jun 05, 2013 at 12:27:33AM -0700, Mohammad Altahat wrote:
> Hello guys,
> 
> I've compiled the xen sourcecode and it gave me no errors, but I don't know 
> what to do now! how to add xen kernel to the grub menu and how to make it run?
> I've used the "xen-hypervisor-amd64" on ubuntu 12.04, but now I need to 
> compile the sourcecode on centos 6.4
> 
> Thanks, 
> Mohammad Altahat.

Getting Xen to work in CentOS 6 is a bit tricky. Since Redhat decided
that thay were no longer going to support it (they went with some other
virtualization system), the default CentOS kernel is not compiled with
Xen hypervisor support. This means that in order to make it work on
CentOS, you will have to recompile the kernel. There are guides online
with links to prebuilt repos that have modified kernels [1], but I
cannot vouch for any of them.

To be honest, getting Xen running on CentOS was (for me) more trouble
than it was worth. I personally was able to run it on ArchLinux very
well, but this may not be the best option for everyone. If you're
familiar with Ubuntu, perhaps you would consider using Debian? The jump
would not be that hard to make, and Debian is well-suited to be a server
OS.

--Sean

[1] 
http://www.howtoforge.com/virtualization-with-xen-on-centos-6.2-x86_64-paravirtualization-and-hardware-virtualization

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