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Re: [Xen-users] Does Ctrl-Alt-2 not work anymore?

To: xen-users@xxxxxxxxxxxxxxxxxxx
Subject: Re: [Xen-users] Does Ctrl-Alt-2 not work anymore?
From: Mark Williamson <mark.williamson@xxxxxxxxxxxx>
Date: Wed, 6 Jun 2007 15:34:29 +0100
Cc: James Harper <james.harper@xxxxxxxxxxxxxxxx>
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> Since upgrading to 3.1.0, I don't think the Ctrl-Alt-2 key combination
> works under VNC anymore... it certainly doesn't give me the QEmu
> console...
>
> Any suggestions?

The Qemu console is disabled for security reasons.

You can enable it using a config file option...  let me see...

I think what you want is to put:

monitor='yes'

into your config file for the domain.  There's probably something you can 
change in xend-config.sxp to make this the default for everything.

The security hole in question was that the Qemu monitor gives you the ability 
to do things like change the virtual CD-ROM by specifying a file on the host 
filesystem.  As you can imagine, exporting this to guests caused security 
issues when the VNC display was being exported to untrusted users of the 
virtual machine!

Cheers,
Mark

-- 
Dave: Just a question. What use is a unicyle with no seat?  And no pedals!
Mark: To answer a question with a question: What use is a skateboard?
Dave: Skateboards have wheels.
Mark: My wheel has a wheel!

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