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Re: [Xen-users] which OS + which Xen version to get Linux X64 dom0 + Win

To: Rudi Ahlers <Rudi@xxxxxxxxxxx>
Subject: Re: [Xen-users] which OS + which Xen version to get Linux X64 dom0 + Windows dumU working? -I'm desperate
From: Age_M <Age_M@xxxxxx>
Date: Fri, 13 Jun 2008 10:16:54 +0200
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Hi Rudi,

Rudi Ahlers wrote:
Age_M wrote:
Hi Rudi,

Rudi Ahlers schrieb:
My end goal: To setup a dom0 Linux server, running 64bit Linux (for server with 16GB+ RAM) & have a Windows (2003 / 2008) domU running on top of it.
that shouldn't be that tricky.

So far, I have tried:
CentOS 5.1 + default XEN, no luck
CentOS 5.1 + recompiled XEN 3.2, no luck
haven't tried CentOS or Fedora yet
I'd prefer to stick with these, since I know it very well, and our control panel manufacturers recommend it.

I don't even get as far as Windows CD booting up, I don't even get the console.
Console? You need to use VNC or if you're running an X-server on your dom0 you could also use SDL. Did you try to start Windows with "xm create <config> -c"?

Yes, I have started the domU via xm create -c /etc/xen/windows2003, and can see it running as well. The problem comes into connecting to you, and now that you mention it, I probably need VNC, but how do I tell VNC to assign an IP to that domU if Windows is not running yet (and I haven't created an IP for it yet)? I have been able to setup Windows 2003, using virt manager in Gnome, on CentOS 5.0 x64, but I need to set it up via SSH on a remote server. Any tips?
That is quite simple:
1. Edit your /etc/xen/xend-config.sxp and search for
#(vnc-listen '127.0.0.1')
change it to
(vnc-listen '0.0.0.0')

You could also set a password with
(vncpasswd '<yourpasswordhere>')

save the file and restart xend or reboot

2. Edit your HVM-DomU config file:
add a new line with

vnc=1

save the file and start your domU

Use the realvnc-viewer to connect to your dom0 (not domU)

That should be it :-D

Greetz Age_M


The I have tried Ubuntu Server 8.0.4, and had some weird, first time errors, that no one had seen, and I had to fill a bug report.
Ubuntu 8.04 Server is running smoothly here. 64bit dom0, serveral linux domUs and a 32bit Windows XP domU. Maybe you could send us the link to your bug-report, so maybe we could sort it out?
I did't submit a bug report, since this will be used in a production hosting environment, I didn't want to sit with problems. So I have removed Ubuntu, and installed CentOS again

So, I have tried Fedora Core 7, and it kept hanging on bootup if I boot up with the default Xen kernel. When I bootup without Xen, it boots fine.

The server will be in a production hosting environment, so I need to know that the combination I use will be stable. Can someone please make a good recommendation for this?

There were 2 or more huge threads here, which covered this question. Just search the mailinglists archives. I found this link for example:
http://lists.xensource.com/archives/html/xen-users/2008-05/msg00484.html

Which is why I didn't even bother downloading Fedora Core 9 :)
I'd prefer to stick to CentOS, but I'm downloading FC 8 now, to see how it performs
Geetz Age_M







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