Which distro should I use for Xen

Hi gurus,

Am looking at a Linux distro...
To run one VM at a time on a linux box without GUI.

On which distro Xen is developped?
On which distro Xen is first tested?
On which distro Xen has the biggest community?

I have experience with Fedora and Debian but I can learn another one if it brings benefits.

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Personally I don't use Xen, but OpenSUSE and it Yast system has it directly available, where you can choose the Hypervisor, between Xen and KVM.
I second OpenSUSE for Xen.  They fully support it and you can use yast to patch it easily.  It's also fully integrated so the setup for can be done during the initial install.

You also have zipper ps to identify running processes that need to be restarted after a patch so you can just restart just the process without a full reboot.  It allows you to delay the restart until you're ready to do so, but still see what needs to be restarted later.
velo2maxAuthor Commented:

I guess OpenSuse is to Suse what CentOS is to RHEL... a free distro of an enterprise one ?

It does not have a lot of "famous children" like Debian or Ubuntu.

But then my question is XEN developped on OpenSuse?
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No, OpenSUSE is to SUSE what Fedora is to Redhat, the free, community supported, testing edition from which SUSE is built from.

CentOS is a clone of Redhat built from their source code, so basically they are exactly the same.
Xen is largely backed by Citrix.
velo2maxAuthor Commented:
Any comments from Experts actually using Xen?
I don't use it now, but I have used it on OpenSUSE 11 & 12, back  a few years ago.  Xen is a main option during install and you can easily add it with yast2 or zypper after you've installed.

Opensuse also jumped from 13 to 42, rather than matching the paid commercial SUSE versions.  This is similar to how fedora versions don't line up with Redhat versions.

If you prefer one of the other linux distros, you should be able to use Xen just as easily.  They're all linux, and the main differences are the packaging schemes.  If you're more confortable with ubuntu, there is a large xen community there too.  You could also just  sudo apt-get install xen-hypervisor-amd64.

What exactly are you looking to do?

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velo2maxAuthor Commented:
Hi, what I want is to be in a huge community and avoid being marginal.

I also want to get the latest updates quickly. I know that some distros are late with some packages. I remember having trouble getting the most recent Qemu package in Debian (well it was possible but it needed to enter a complex (at least for me) recompile process). I want to avoid this...
The XEN or Citrix sites would have the largest community for Xen. OpenSUSE is quick with updates, so you will have up-to-date packages.
velo2maxAuthor Commented:
Still dont know on which distro Xen is developped (looks like CentOS but not sure) but the recommendation makes sense
I will go with OpenSUSE and cross my fingers ;-)
I mentioned above it was largely backed by Citrix. I know they bought Xen a couple of years ago, and as far as I know the brand name still belongs to Citrix. But they have made it OpenSource so it is largely independent. You could compare it's status to VirtualBox which is also still OpenSource but belongs to Oracle.
velo2maxAuthor Commented:
As far as I know, Citrix is a company name. I don't find a distro with that name. The reason I wanted that info is because you cannot have a more up-to-date package than on the distro where it is developped! Thank you for your kind help!
Citrix is a company. Xen isn't tied to any distro, it is a separate product. Citrix also provides a hypervisor, and that is provided by Xen.
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