Re: [Xen-users] Programatically checking if we're in a domU or dom0

[Parissa Heidari <parisa.heidari@xxxxxxxxxx>]

Hi, 
I'm not sure if I see exactly what you mean. I did change the hostname of each 
domU in the /etc/hostname of each domain. For example XX for dom0, XX-domU1 
for my first domU , XX_domU2 for the second one  and so on. Then in each 
console I have a different name. Besides it's possible to check 
the /etc/hostname for the U extension or what ever you have considered for 
the unprivileged domains name.
Did I get your question?

Parissa.

-----Original Message-----
From: xen-users-bounces@xxxxxxxxxxxxxxxxxxx
[mailto:xen-users-bounces@xxxxxxxxxxxxxxxxxxx]On Behalf Of Lutrin Jean
Sent: Wednesday, October 04, 2006 9:52 AM
To: xen-users@xxxxxxxxxxxxxxxxxxx
Subject: Re: [Xen-users] Programatically checking if we're in a domU or
dom0


>> Personally, I use the following command in a
>> startup script to check if we're in a privileged
>> domain:
>
> >grep -qsE '^control_d$' /proc/xen/capabilities

>Hi Andrew,

>thanks for your tip.

>Now I can easily determine wether I'm running
>on a modified kernel or not (by checking for
>the presence of /proc/xen).

>However, once I've found that, I'd like to know
>if I'm on a priviledged domain or not.

>Sadly my /proc/xen/capabilities is only readable
>by root.

>What would be a clean way to check for this from
>a normal user account?

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