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Re: [Xen-users] Xen and SELinux

To: "Daniel P. Berrange" <berrange@xxxxxxxxxx>
Subject: Re: [Xen-users] Xen and SELinux
From: TMC <tmciolek@xxxxxxxxx>
Date: Tue, 12 Dec 2006 08:36:37 +1100
Cc: Henning Sprang <henning_sprang@xxxxxx>, Xen users mailing list <xen-users@xxxxxxxxxxxxxxxxxxx>
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What about use of disk partitions mapped to virtual devices?

On 12/12/06, Daniel P. Berrange <berrange@xxxxxxxxxx> wrote:
On Mon, Dec 11, 2006 at 06:40:06PM +0100, Henning Sprang wrote:
> I just wondered, all Howto's for Fedora, and a lot of other places say
> the user needs to disable SELinux when runinng Xen, at least in dom0.

That is incorrect. With Fedora Core 6 the recommendation is definitely
to have  SELinux enabled when running Xen. The main thing you have to
be careful of is where you keep your filesystem images. The SELinux
policy expects them in /var/lib/xen/images.  Same is true of ISO images
if you're using them to install fully virt guests.

> And I didn't see any explanation why or on how to make xen work with
> selinux enabled.

If you have disk images in the expected location, then Xen should 'just work'
with SELinux enabled.

> Does it mean it isn't working, is it so simple that there's no need to
> document it, or theorethically possible but too hard to get it
> working?

The howto you found is wrong :-(

I've added a note about neccessary SELinux disk image directory to the
official Fedora Xen guide.

http://fedoraproject.org/wiki/FedoraXenQuickstartFC6

Regards,
Dan.
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