Emre Erenoglu wrote:
For VNC:
Method 1:
- make VNC available on your domU configuration file
- load framebuffer in DomU and start Xorg-server on that
- you don't need network inside DomU, as VNC port is listening on Dom0
side (and displaying the DomU framebuffer)
Method 2:
- install xserver-xorg with vnc framebuffer inside domU
- you don't need framebuffer driver of xen inside the domU, but yes for
VNC framebuffer
- you need network inside DomU and this shall be reachable from the
external the network
- you don't need to enable VNC in your dom0
for NX:
- you need networking for your DomU, domU shall be reachable over the
network.
- you need kde/kdm inside your DomU
- you don't need anything else
Please ask other questions to clarify if you need,
Br,
Emre
On Nov 27, 2007 1:31 PM, kanour-xen <xen@xxxxxxxxxx
<mailto:xen@xxxxxxxxxx>> wrote:
I have to say, that I am confused :-). I have got one of the feelings
that I am completely stupid.
Just to summarize the steps:
After I installed clean DomU
Do I have to install xserver-xorg on domU |yes/no| yes
DO I have to configure ? xserver-xorg |yes/no| yes
(vesa framebufer)
Do I have to install KDE, kdm |yes/no| yes
Do I have to install vnc4server |yes/no| no
Do I have to add some ? line in domU config |yes/no| no
Then I can run vncviewer from any workstation on the network do domU and
it should work?
Thanks Jiri
Emre Erenoglu wrote:
> Hi Mark,
>
> you don't need a framebuffer to use NX. You don't need any video
> hardware at all. You just need KDM or GDM, with necessary gnome/kde
> environment packages. error about kstartupconfig may mean some
> configuration error with kde, no home directory etc.
>
> Emre
>
> On Nov 26, 2007 8:36 PM, Mark Furner <mark.furner@xxxxxxx
<mailto:mark.furner@xxxxxxx>
> <mailto:mark.furner@xxxxxxx <mailto:mark.furner@xxxxxxx>>> wrote:
>
> Hi
>
> I'm trying to do something similar: run a NX server within a Xen
> guest. I have
> Ubuntu Gutsy as host and Ubuntu Edgy as guest, and amd64
> architecture. Am
> using paravirtualisation and the framebuffer within the guest.
>
> I get as far as a KDM error page but no futher:
> "Could not start kstartupconfig. Check your installation."
>
> Clicking on an OK shuts down the NX screen. Do you have any
suggestions?
>
> Thanks
>
> M
>
>
> On Sunday 25 November 2007, Emre Erenoglu ("Emre Erenoglu"
> <erenoglu@xxxxxxxxx <mailto:erenoglu@xxxxxxxxx> <mailto:
erenoglu@xxxxxxxxx <mailto:erenoglu@xxxxxxxxx>>>) may have written:
> > If you are able to use Paravirtual DomU kernel with a Xen
> Framebuffer, you
> > don't need to setup any vnc inside the domU.
> >
> > The framebuffer driver in DomU will serve as the source of
screen
> > information to the xen daemon running in dom0, this will
give you vnc
> > access without installing any vnc in the DomU itself.
> >
> > Emre
> >
> > On Nov 25, 2007 4:27 AM, kanour-xen <xen@xxxxxxxxxx
<mailto:xen@xxxxxxxxxx>
> <mailto: xen@xxxxxxxxxx <mailto:xen@xxxxxxxxxx>>> wrote:
> > > Emre Erenoglu wrote:
> > > > Hi Jiri,
> > > >
> > > > Is your domU HVM or Paravirtual? If HVM, you will have an
> emulated
> > > > video card and you need to configure your xorg-server
to work
> with this
> > > > card. Next, you will need to connect it through SDL or
VNC.
> You choose
> > > > this method in your domU configuration file (SDL=1,
VNC=1).
> > > >
> > > > If SDL, you'll have an immediate window when you start
your
> DomU.
> > > >
> > > > If VNC, you'll need to connect to localhost with a VNC
> client. The port
> > > > that you need to connect is 5900 + ID_of_DomU (you
can find
> the ID
> > > > from xm list command output, or do a netstat -a to see
> listening ports
> > > > 59xx)
> > > >
> > > > If you have a Paravirtual DomU, then, you either have a
> "Framebuffer"
> > > > in your DomU kernel that Xorg can start on (and then
you'll
> see the
> > > > output again with SDL or VNC), or you can use some other
> method, such
> > > > as using - vnc based xorg server,
> > > > - NX
> > > > - using XDMCP and accessing the host Xorg
> > > >
> > > > Good luck!
> > > >
> > > > Emre
> > > > - Show quoted text -
> > > >
> > > >
> > > >
> > > >
> > > > On Nov 24, 2007 3:49 PM, kanour-xen < xen@xxxxxxxxxx
<mailto:xen@xxxxxxxxxx>
> <mailto:xen@xxxxxxxxxx <mailto:xen@xxxxxxxxxx> >
> > > > <mailto:xen@xxxxxxxxxx <mailto:xen@xxxxxxxxxx>
<mailto:xen@xxxxxxxxxx <mailto:xen@xxxxxxxxxx>>>> wrote:
> > > >
> > > > Hi.
> > > >
> > > > I am searching the web but cannot find anything.
> > > >
> > > > Could you please give me a hint how to access domU
> through VNC?
> > > >
> > > > I have debian stable in dom0. No X Windows.
> > > >
> > > > I installed debian stable to domU with help of
> xen-create-image.
> > >
> > > Then I
> > >
> > > > installed KDE and VNC. But I am missing something.
I am
> missing
> > >
> > > whole
> > >
> > > > concept.
> > > >
> > > > Thank you.
> > > >
> > > > jiri
> > > >
> > > > _______________________________________________
> > > > Xen-users mailing list
> > > > Xen-users@xxxxxxxxxxxxxxxxxxx
<mailto:Xen-users@xxxxxxxxxxxxxxxxxxx>
> <mailto:Xen-users@xxxxxxxxxxxxxxxxxxx
<mailto:Xen-users@xxxxxxxxxxxxxxxxxxx>>
> > > > <mailto: Xen-users@xxxxxxxxxxxxxxxxxxx
<mailto:Xen-users@xxxxxxxxxxxxxxxxxxx>
> <mailto:Xen-users@xxxxxxxxxxxxxxxxxxx
<mailto:Xen-users@xxxxxxxxxxxxxxxxxxx>>>
> > > > http://lists.xensource.com/xen-users
> > > >
> > > >
> > > >
> > > >
> > > >
> > > > On Nov 24, 2007 3:49 PM, kanour-xen < xen@xxxxxxxxxx
<mailto:xen@xxxxxxxxxx>
> <mailto:xen@xxxxxxxxxx <mailto:xen@xxxxxxxxxx>>
> > > > <mailto: xen@xxxxxxxxxx <mailto:xen@xxxxxxxxxx>
<mailto:xen@xxxxxxxxxx <mailto:xen@xxxxxxxxxx>>>> wrote:
> > > >
> > > > Hi.
> > > >
> > > > I am searching the web but cannot find anything.
> > > >
> > > > Could you please give me a hint how to access domU
> through VNC?
> > > >
> > > > I have debian stable in dom0. No X Windows.
> > > >
> > > > I installed debian stable to domU with help of
> xen-create-image.
> > >
> > > Then I
> > >
> > > > installed KDE and VNC. But I am missing something.
I am
> missing
> > >
> > > whole
> > >
> > > > concept.
> > > >
> > > > Thank you.
> > > >
> > > > jiri
> > > >
> > > > _______________________________________________
> > > > Xen-users mailing list
> > > > Xen-users@xxxxxxxxxxxxxxxxxxx
<mailto:Xen-users@xxxxxxxxxxxxxxxxxxx>
> <mailto:Xen-users@xxxxxxxxxxxxxxxxxxx
<mailto:Xen-users@xxxxxxxxxxxxxxxxxxx>>
> > > > <mailto: Xen-users@xxxxxxxxxxxxxxxxxxx
<mailto:Xen-users@xxxxxxxxxxxxxxxxxxx>
> <mailto:Xen-users@xxxxxxxxxxxxxxxxxxx
<mailto:Xen-users@xxxxxxxxxxxxxxxxxxx>>>
> > > > http://lists.xensource.com/xen-users
> > > >
> > > >
> > > >
> > > >
> > > > --
> > > > Emre Erenoglu
> > > > erenoglu@xxxxxxxxx <mailto:erenoglu@xxxxxxxxx>
<mailto:erenoglu@xxxxxxxxx <mailto:erenoglu@xxxxxxxxx>>
> <mailto:erenoglu@xxxxxxxxx <mailto:erenoglu@xxxxxxxxx>
<mailto:erenoglu@xxxxxxxxx <mailto:erenoglu@xxxxxxxxx>>>
> > > >
> > > >
> > > >
>
-----------------------------------------------------------------------
> > > >-
> > > >
> > > > _______________________________________________
> > > > Xen-users mailing list
> > > > Xen-users@xxxxxxxxxxxxxxxxxxx
<mailto:Xen-users@xxxxxxxxxxxxxxxxxxx>
> <mailto: Xen-users@xxxxxxxxxxxxxxxxxxx
<mailto:Xen-users@xxxxxxxxxxxxxxxxxxx>>
> > > > http://lists.xensource.com/xen-users
> > >
> > > Hi Emre.
> > >
> > > I have to do something wrong somewhere. Here is what I did.
> > >
> > > I use paravirtual DomU. The aim is to access is remotely
> through VNC
> > > (for start).
> > >
> > > I installed xserver-xorg and I installed KDE plus kdm.
> > >
> > > I ran dpkg-reconfigure xserver-xorg and xorg sugested vesa
> driver (I
> > > have Nvidia card in my HP DL145 G2 server), and I choose
to use
> > > framebuffer. Then I went through the other options like
monitor
> etc.
> > > (default settings).
> > >
> > > I restarted and :
> > > als03:~# ps ax
> > > PID TTY STAT TIME COMMAND
> > > 1 ? Ss 0:00 init [5]
> > > 2 ? S 0:00 [migration/0]
> > > 3 ? SN 0:00 [ksoftirqd/0]
> > > 4 ? S 0:00 [watchdog/0]
> > > 5 ? S< 0:00 [events/0]
> > > 6 ? S< 0:00 [khelper]
> > > 7 ? S< 0:00 [kthread]
> > > 8 ? S< 0:00 [xenwatch]
> > > 9 ? S< 0:00 [xenbus]
> > > 15 ? S< 0:00 [kblockd/0]
> > > 19 ? S< 0:00 [khubd]
> > > 21 ? S< 0:00 [kseriod]
> > > 64 ? S 0:00 [pdflush]
> > > 65 ? S 0:00 [pdflush]
> > > 66 ? S< 0:00 [kswapd0]
> > > 67 ? S< 0:00 [aio/0]
> > > 701 ? S< 0:00 [kjournald]
> > > 874 ? S<s 0:00 udevd --daemon
> > > 1182 ? S< 0:00 [kmirrord]
> > > 1318 ? Ss 0:00 /sbin/portmap
> > > 1413 ? Ss 0:00 /sbin/syslogd
> > > 1419 ? Ss 0:00 /sbin/klogd -x
> > > 1435 ? Ss 0:00 /usr/bin/dbus-daemon --system
> > > 1443 ? Ss 0:00 /usr/sbin/hald
> > > 1444 ? S 0:00 hald-runner
> > > 1462 ? Ss 0:00 /usr/sbin/dhcdbd --system
> > > 1474 ? Ss 0:00 avahi-daemon: running
[als03.local]
> > > 1475 ? Ss 0:00 avahi-daemon: chroot helper
> > > 1486 ? Ss 0:00 /usr/bin/dirmngr --daemon --sh
> > > 1538 ? Ss 0:00 /usr/sbin/exim4 -bd -q30m
> > > 1547 ? Ss 0:00 /usr/sbin/lisa
> > > 1555 ? Ss 0:00 /usr/sbin/inetd
> > > 1577 ? Ss 0:00 /usr/sbin/sshd
> > > 1605 ? Ss 0:00 /usr/sbin/famd -T 0
> > > 1615 ? Ss 0:00 /usr/sbin/cron
> > > 1652 tty1 Ss+ 0:00 /sbin/getty 38400 tty1
> > > 1883 ? Ss 0:00 sshd: root@pts/0
> > > 1885 pts/0 Ss 0:00 -bash
> > > 2302 ? Ss 0:00 /usr/bin/kdm -config
/var/run/kdm/kdmrc
> > > 2331 pts/0 R+ 0:00 ps ax
> > >
> > > I then installed vnc4server. As normal user I executed
> vncpasswd (set
> > > password) and vnc4server to start the session.
> > >
> > > But the vnc session does not come up. What I do wrong?
> > >
> > > Jiri
>
>
>
> _______________________________________________
> Xen-users mailing list
> Xen-users@xxxxxxxxxxxxxxxxxxx
<mailto:Xen-users@xxxxxxxxxxxxxxxxxxx>
<mailto:Xen-users@xxxxxxxxxxxxxxxxxxx
<mailto:Xen-users@xxxxxxxxxxxxxxxxxxx>>
> http://lists.xensource.com/xen-users
>
>
>
>
> --
> Emre Erenoglu
> erenoglu@xxxxxxxxx <mailto:erenoglu@xxxxxxxxx>
<mailto:erenoglu@xxxxxxxxx <mailto:erenoglu@xxxxxxxxx>>
>
>
>
------------------------------------------------------------------------
>
> _______________________________________________
> Xen-users mailing list
> Xen-users@xxxxxxxxxxxxxxxxxxx <mailto:Xen-users@xxxxxxxxxxxxxxxxxxx>
> http://lists.xensource.com/xen-users
--
Emre Erenoglu
erenoglu@xxxxxxxxx <mailto:erenoglu@xxxxxxxxx>
------------------------------------------------------------------------
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http://lists.xensource.com/xen-users
Dear Emre.
Thank you for your help so far. I did not get anywhere since your last post.
What I want is to access domU directly. I don't dont want to use dom0 as
you sugested as Method number 1 (one).
Method 2 does not sound good neither. I could not find out how to do that.
Method 3, I would like to avoid NX server as VNC client is always
available everywhere. NX client not.
What would like to have is simple running vnc-server in domU. Is there
anywhere any documentation how to do this in xen domU. I just cannot
believe that it is so hard to do this. If I cannot get into it remotely
there is no reason to run XEN virtual machines.
Whatever I try I just cannot make it work. I cannot even start xserver.
I believe that is probably the problem?
als03:~# startx
xauth: creating new authority file /root/.serverauth.1688
X: warning; process set to priority -1 instead of requested priority 0
X Window System Version 7.1.1
Release Date: 12 May 2006
X Protocol Version 11, Revision 0, Release 7.1.1
Build Operating System: UNKNOWN
Current Operating System: Linux als03 2.6.18-5-xen-amd64 #1 SMP Tue Oct
2 21:48:12 UTC 2007 x86_64
Build Date: 04 September 2007
Before reporting problems, check http://wiki.x.org
to make sure that you have the latest version.
Module Loader present
Markers: (--) probed, (**) from config file, (==) default setting,
(++) from command line, (!!) notice, (II) informational,
(WW) warning, (EE) error, (NI) not implemented, (??) unknown.
(==) Log file: "/var/log/Xorg.0.log", Time: Sat Dec 1 07:31:52 2007
(==) Using config file: "/etc/X11/xorg.conf"
Fatal server error:
xf86OpenConsole: Cannot open /dev/tty0 (No such file or directory)
XIO: fatal IO error 104 (Connection reset by peer) on X server ":0.0"
after 0 requests (0 known processed) with 0 events remaining.
Is here anyone who is accessing domU through VNC, but not from dom0?
Jiri
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