Re: [Xen-users] cant get X on domainU

["M.A. Williamson" <maw48@xxxxxxxxx>]

> 1. ssh -X domainU
> steps: on domain U
> $ export DISPLAY=:0
> $ xhost +
> xhost:  unable to open display ":0"
> on domain0  ssh -X domainU
> result: ssh conection established no X forwarding starts.
> after login tried startx, but get message user not authorized to start x
You shouldn't really need to do all that... If X forwarding is enabled in 
the sshd config in the domU, it will do all the setup required 
automatically when you ssh -X in. startx won't work in any case because 
it'll try and start an X server, but just running random X programs ought 
to work.
> 2. vnc
> installed vncserver on domainU,
> $ vncserver
>
> New 'X' desktop is playbox-breezy-01-U:1
> Starting applications specified in /etc/X11/Xsession
> Log file is /home/slava/.vnc/playbox-breezy-01-U:1.log
>
> $ cat .vnc/playbox-breezy-01-U\:1.log
>
> 27/12/05 19:22:49 Copyright (C) 2002-2003 RealVNC Ltd.
> 27/12/05 19:22:49 Copyright (C) 1994-2000 AT&T Laboratories Cambridge.
> 27/12/05 19:22:49 All Rights Reserved.
> 27/12/05 19:22:49 See http://www.realvnc.com for information on VNC
> 27/12/05 19:22:49 Desktop name 'X' (playbox-breezy-01-U:1)
> 27/12/05 19:22:49 Protocol version supported 3.3
> 27/12/05 19:22:49 Listening for VNC connections on TCP port 5901
>
> on domain 0 tried to connect with gnome terminal server client using vnc
> but connection gets refused
Sounds weird... Can you try telnetting from dom0 to port 5901 in the domU 
to see if the connection is open an accessible? What error does the Gnome 
client give? Have you tried just using plain vncviewer?
> 3 freenx
> install freenx on domainU, nxclient on domain0, added user, setup
> password. when try to connect i cant get past authentication completed
> message. here is the log
> NX> 203 NXSSH running with pid: 18470
> NX> 285 Enabling check on switch command
> NX> 285 Enabling skip of SSH config files
> NX> 200 Connected to address: 192.168.1.110 on port: 22
> NX> 202 Authenticating user: nx
> NX> 208 Using auth method: publickey
> HELLO NXSERVER - Version 1.4.0-45-SVN OS (GPL)
> NX> 105 hello NXCLIENT - Version 1.5.0
> NX> 134 Accepted protocol: 1.5.0
> NX> 105 SET SHELL_MODE SHELL
> NX> 105 SET AUTH_MODE PASSWORD
> NX> 105 login
> NX> 101 User: slava
> NX> 102 Password:
> NX> 103 Welcome to: playbox-breezy-01-U user: slava
> NX> 105 listsession --user="slava" --status="suspended,running"
> --geometry="1152x864x24+render" --type="unix-gnome"
> NX> 127 Sessions list of user 'slava' for reconnect:
>
> Display Type             Session ID                       Options  Depth
> Screen         Status      Session Name
> ------- ---------------- -------------------------------- -------- -----
> -------------- ----------- ------------------------------
>
>
> NX> 148 Server capacity: not reached for user: slava
> NX> 105 startsession --session="playbox-breezy-01-U" --type="unix-gnome"
> --cache="8M" --images="32M" --cookie="******" --link="lan"
> --kbtype="pc102/us" --nodelay="1" --encryption="1"
> --backingstore="when_requested" --geometry="1152x813" --media="0"
> --agent_server="" --agent_user="" agent_password="******""
> --screeninfo="1152x813x24+render"
>
> Killed by signal 15.
Ick, that doesn't look nice. Whose version of FreeNX were you using? 
Personally I like NX but I've generally not found it straightforward to set 
up.
Cheers,
Mark

> somebody please help :)
> slava
>
> ps
> here is more info, not sure if helpfull
> after boot on domain U this is end of my /var/log/syslog
> --------------------
> Dec 27 19:14:54 localhost gdm[2022]: gdm_slave_xioerror_handler: Fatal X
> error - Restarting :0
> Dec 27 19:14:58 localhost gdm[2228]: gdm_slave_xioerror_handler: Fatal X
> error - Restarting :0
> Dec 27 19:14:58 localhost gdm[1971]: deal_with_x_crashes: Running the
> XKeepsCrashing script
> Dec 27 19:14:58 localhost gdm[1971]: Failed to start X server several
> times in a short time period; disabling display :0
> --------------------------------
>
>
>
>
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