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Re: [Xen-users] how to take over console from another user?

  • To: xen-users@xxxxxxxxxxxxx
  • From: Eric Lindsey <eslindsey@xxxxxxxxx>
  • Date: Fri, 22 Jun 2012 16:29:28 -0400
  • Delivery-date: Fri, 22 Jun 2012 20:30:25 +0000
  • List-id: Xen user discussion <xen-users.lists.xen.org>

I just noticed messing around with the consoles today that Debian wheezy does 
not implement locking and I can attest to the weirdness of two terminals being 
logged in at once. How come this is done by the distro and not by Xen? Feature 
request to xen-devel? 

On Jun 22, 2012, at 4:17 PM, "Luke S. Crawford" <lsc@xxxxxxxxx> wrote:

> On Fri, Jun 22, 2012 at 10:43:31AM -0500, Alexandre Kouznetsov wrote:
>> Let's say, i have a Dom0 with a running DomU called "whatever". I can 
>> get more than one terminal on Dom0, let's say, connecting via SSH.
>> I run "xm console whatever" on one terminal and get a console access. I 
>> run the same command on another terminal, and get another console access.
>> (BTW, that they both connect me to the same console, if i log in on one 
>> of them, i appear to be logged in on the other one. The output is 
>> slitted in a weired way. Not very usable.)
>> If I wish to force me terminal to detach form any of them, I look for 
>> xenconsole running process and kill it.
>> Is that what are you talking about?
> I bet.  For a long time, that worked, well, sortof.  there were always
> problems when two people were on the same console.   
> I noticed that with the latest RHEL5 (centos5) xen package, though,
> they added some locking.  If you try to xm console to the same domain
> twice, it won't let you.   Which I think is great, as it makes the whole 
> console experience feel more reliable to the end user.
> To answer the original question, I use kill on the xm console process
> I want gone. 
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