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Re: [Xen-devel] simple check for domU?
| To: | xen-devel@xxxxxxxxxxxxxxxxxxx |
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| Subject: | Re: [Xen-devel] simple check for domU? |
| From: | "Karsten M. Self" <kself@xxxxxxxxxxxxx> |
| Date: | Thu, 10 Nov 2005 17:52:28 -0800 |
| Delivery-date: | Fri, 11 Nov 2005 15:59:41 +0000 |
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on Fri, Nov 11, 2005 at 12:23:18AM +0000, Chris Bainbridge
(chris.bainbridge@xxxxxxxxx) wrote:
> Hi, is there a simple way to check that we're running under a domU? So
> far I came up with:
Try:
uname -r | grep -q -- -xen
... which generally works. 'test -d /proc/xen' is pretty reliable as
well.
> [[ -d /proc/xen && ! -z `ls /sys/bus/xen/devices/` ]]
>
> or
>
> -e /sys/bus/xen/drivers/vbd || -e /sys/bus/xen/drivers/vif
>
> Neither of which is pretty, and I'm not convinced they work under all
> circumstances. This is useful for system setup scripts to do different
> things depending if they are run under dom0/U.
>
> Thanks,
> Chris
>
> _______________________________________________
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> http://lists.xensource.com/xen-devel
--
Karsten M. Self <karsten@xxxxxxxxxxxxx>
XenSource, Inc.
2300 Geng Road #250 +1 650.798.5900 x259
Palo Alto, CA 94303 +1 650.493.1579 fax
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