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Re: [Xen-users] Need an Idiot's Guide to Installing Xen & Libvirt on Ubu

To: xen-users@xxxxxxxxxxxxxxxxxxx
Subject: Re: [Xen-users] Need an Idiot's Guide to Installing Xen & Libvirt on Ubuntu 10.04
From: Jorge Armando Medina <jmedina@xxxxxxxxxxxxxxx>
Date: Tue, 04 May 2010 16:30:10 -0500
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Boris Derzhavets wrote:
> No,  virt-manager doesn't work on 10.04.
> Just virt-install works with option --connect xen:///  in command line
> , it's better than nothing. It creates proper entry in xenstore
> Variable |VIRSH_DEFAULT_CONNECT_URI|
> |    export ||VIRSH_DEFAULT_CONNECT_URI||="xen:///"|
> is understood only by virsh, so domains from "xm list" may be
> started via virsh, but "virsh list" is empty.
>
> At install :
> # virt-install --connect xen:///  -n DomName  -r 2048 .  .  .  .
> creates PV & HVM DomUs  and relaunches  VNC console.
>
> At runtime :
> # xm list
> # virsh start DomName
> # vncviewer localhost:0
>
Can this be related to the fact that vnc console doesnt work?

Tue, 04 May 2010 20:16:05 DEBUG Could not open "/etc/sysconfig/keyboard"
[Errno 2] No such file or directory: '/etc/sysconfig/keyboard'
Tue, 04 May 2010 20:16:05 DEBUG Could not open "/etc/X11/xorg.conf":
[Errno 2] No such file or directory: '/etc/X11/xorg.conf'

Best regards and thanks for your howtos :).
>
> I would remind that "xm new dom.cfg" fails on Ubuntu's.
>
> Obvious regression vs Ubuntu Server 9.10 (libvirt 0.7.0)
> Just as Solaris Nevada 3 years ago :)
>
> Boris.
> --- On *Tue, 5/4/10, listmail /<listmail@xxxxxxxxxxxx>/* wrote:
>
>
>     From: listmail <listmail@xxxxxxxxxxxx>
>     Subject: Re: [Xen-users] Need an Idiot's Guide to Installing Xen &
>     Libvirt on Ubuntu 10.04
>     To: "Boris Derzhavets" <bderzhavets@xxxxxxxxx>
>     Cc: "Xen User-List" <xen-users@xxxxxxxxxxxxxxxxxxx>
>     Date: Tuesday, May 4, 2010, 3:58 PM
>
>     This could be only partially related at best, but I think
>     virt-manager
>     also uses libvirt. I remember trying virt-manager on 10.04 and the
>     pvm
>     would disappear from the manager gui's list right after starting
>     it.  It
>     would be interesting to see if any of the steps in your guide has a
>     positive effect on that as well.
>
>     Boris Derzhavets wrote:
>     > Done on Ubuntu Server 10.04
>     >
>     >
>     
> http://bderzhavets.wordpress.com/2010/05/04/set-up-virt-install-to-work-with-xen-4-0-guests-on-top-of-ubuntu-10-04-server/
>     >
>     >
>     > --- On *Tue, 5/4/10, Boris Derzhavets /<bderzhavets@xxxxxxxxx
>     </mc/compose?to=bderzhavets@xxxxxxxxx>>/* wrote:
>     >
>     >
>     >     From: Boris Derzhavets <bderzhavets@xxxxxxxxx
>     </mc/compose?to=bderzhavets@xxxxxxxxx>>
>     >     Subject: Re: [Xen-users] Need an Idiot's Guide to Installing
>     Xen &
>     >     Libvirt on Ubuntu 10.04
>     >     To: "Tegger" <xen@xxxxxxxxx </mc/compose?to=xen@xxxxxxxxx>>,
>     "Fajar A. Nugraha" <fajar@xxxxxxxxx </mc/compose?to=fajar@xxxxxxxxx>>
>     >     Cc: "Xen User-List" <xen-users@xxxxxxxxxxxxxxxxxxx
>     </mc/compose?to=xen-users@xxxxxxxxxxxxxxxxxxx>>
>     >     Date: Tuesday, May 4, 2010, 5:17 AM
>     >
>     >     Sorry , right after Hardy Heron 8.04
>     >     No Xen Dom0 support in Ubuntu Servers 8.10,9.04,9.10,10.04
>     >
>     >     Regarding Libvirt&Virtinst  Xen Support :
>     >
>     >     1. Seems to be OK in 9.10
>     >     2. Seems to be broken in 10.04
>     >     View :-
>     >     http://lxer.com/module/newswire/view/135142/index.html
>     >
>     >     I might be missing something in 10.04, but virt-install fails to
>     >     launch VNC console
>     >     as it was in 9.10, regardless virt-viewer stays exactly the
>     same.
>     >     Install only (virtinst and python-virtinst)  does allow to run
>     >     virt-install for Xen 4.0 DomUs,
>     >     but vncviewer should be issued manually. DomU doesn't  restart
>     >     automatically
>     >     and requires:-
>     >     # virsh start DomainName
>     >     # vncviewer localhost:0
>     >
>     >     Submitting bug to launchpad doesn't make much sense. Xen support
>     >     dropped.
>     >     Libvirt 0.7.5 doesn't seem to  be properly working with Xen, i
>     >     mean virsh behavior
>     >     is strange. It does some things and some doesn't.
>     >
>     >
>     >     Boris.
>     >
>     >     --- On *Tue, 5/4/10, Boris Derzhavets
>     /<bderzhavets@xxxxxxxxx </mc/compose?to=bderzhavets@xxxxxxxxx>>/*
>     >     wrote:
>     >
>     >
>     >         From: Boris Derzhavets <bderzhavets@xxxxxxxxx
>     </mc/compose?to=bderzhavets@xxxxxxxxx>>
>     >         Subject: Re: [Xen-users] Need an Idiot's Guide to
>     Installing Xen
>     >         To: "Tegger" <xen@xxxxxxxxx
>     </mc/compose?to=xen@xxxxxxxxx>>, "Fajar A. Nugraha"
>     <fajar@xxxxxxxxx </mc/compose?to=fajar@xxxxxxxxx>>
>     >         Cc: "Xen User-List" <xen-users@xxxxxxxxxxxxxxxxxxx
>     </mc/compose?to=xen-users@xxxxxxxxxxxxxxxxxxx>>
>     >         Date: Tuesday, May 4, 2010, 4:57 AM
>     >
>     >         > The problem is that some versions of Ubuntu
>     >         Xen Dom0 support was dropped in 8.04 Hardy Heron.
>     >         Canonical likes KVM.
>     >
>     >         Boris.
>     >
>     >         --- On *Mon, 5/3/10, Fajar A. Nugraha /<fajar@xxxxxxxxx
>     </mc/compose?to=fajar@xxxxxxxxx>>/* wrote:
>     >
>     >
>     >             From: Fajar A. Nugraha <fajar@xxxxxxxxx
>     </mc/compose?to=fajar@xxxxxxxxx>>
>     >             Subject: Re: [Xen-users] Need an Idiot's Guide to
>     >             Installing Xen
>     >             To: "Tegger" <xen@xxxxxxxxx
>     </mc/compose?to=xen@xxxxxxxxx>>
>     >             Cc: "Xen User-List" <xen-users@xxxxxxxxxxxxxxxxxxx
>     </mc/compose?to=xen-users@xxxxxxxxxxxxxxxxxxx>>
>     >             Date: Monday, May 3, 2010, 11:07 PM
>     >
>     >             On Tue, May 4, 2010 at 5:15 AM, Tegger
>     <xen@xxxxxxxxx </mc/compose?to=xen@xxxxxxxxx>> wrote:
>     >             > whats about
>     >             >
>     >             > apt-get install xen.... ?
>     >
>     >             The problem is that some versions of Ubuntu (and
>     possibly
>     >             Debian)
>     >             doesn't have working Xen system, mainly due to lack of
>     >             working dom0
>     >             kernel. Boris' post is a good way to start on Ubuntu.
>     >
>     >             RHEL/Centos and opensuse users can simply use
>     bundled Xen
>     >             version,
>     >             which despite being not the latest, is sufficient
>     for most
>     >             server
>     >             usage scenario.
>     >
>     >             --
>     >             Fajar
>     >
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>     >
>     >
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-- 
Jorge Armando Medina
Computación Gráfica de México
Web: http://www.e-compugraf.com
Tel: 55 51 40 72, Ext: 124
Email: jmedina@xxxxxxxxxxxxxxx
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