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Re: [Xen-users] question about Xen DOMU

To: "Ferreira, N. L. (Nuno)" <n.l.ferreira@xxxxx>
Subject: Re: [Xen-users] question about Xen DOMU
From: Peter Booth <peter_booth@xxxxxxx>
Date: Wed, 01 Apr 2009 16:16:15 -0400
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sar or /proc will show a %steal counter

I imagine that if OP used pure virtualization it would be harder. But there is always a way ....

Peter


On Apr 1, 2009, at 10:34 AM, Ferreira, N. L. (Nuno) wrote:

Hi Mark

A "uname -a" indicates that your are running a xen domU, if it is a PV domU. A "ls /boot" would indicate the same. Of course you could change the name of the kernel. In a HVM domU probably you do not need since you are using a kernel without modifications
.
A "more /etc/fstab" can also indicate that the devices being used are xenified (depends on your configuration). I for example, use / dev/xvda1 as my partition, to not forget that its a Xen box ;-)

Probably there are other ways to check it ...
Cheers,
N.


Mark Ryden wrote:
Hello,
 A newbie question about Xen DOMU:

I have a Linux Fedora running in a Xen DOMU. Is it possible for somebody
accessing this DOMU from outside (ssh) to know that it is not
a real machine but a DOMU of Xen (by something like uname,etc)? In
case it is possible
I would appreciate if anybody can tell how.

Regards,
Mark

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Nuno Ricardo Santos Loureiro da Silva Ferreira

NMR Spectroscopy Research Group
Bijvoet Center for Biomolecular Research
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The Netherlands

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