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Re: [Xen-devel] simple check for domU?
| To: | Chris Bainbridge <chris.bainbridge@xxxxxxxxx> |
|---|---|
| Subject: | Re: [Xen-devel] simple check for domU? |
| From: | NAHieu <nahieu@xxxxxxxxx> |
| Date: | Sat, 12 Nov 2005 03:14:53 +0900 |
| Cc: | Xen development list <xen-devel@xxxxxxxxxxxxxxxxxxx> |
| Delivery-date: | Fri, 11 Nov 2005 18:14:59 +0000 |
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On 11/11/05, 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: > > [[ -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. That is easy. Something you will never see in domU, such as xenconsoled, xenstored,... So check for the presence of these daemons is a good way, especially that requires no privileged access. _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel |
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