[X2go-dev] x2go not working on ubuntu 10.10?

jmm jagermeistermeister at gmail.com
Fri Jan 21 18:10:24 CET 2011


It also works from ubuntu 9.04. However, I still would like to run it 
from my 9.10 box as this is my workstation :)

I thought it might be a firewall issue, so I tried `sudo ufw disable` 
but still the problem persists.



jmm wrote:
> I just installed a client on an old windows XP computer I had lying 
> around, there it does work. So presumably there is something wrong 
> with the client. No idea what that could be though.
>
> jmm wrote:
>> Oops excuse me I use Ubuntu 9.10 karmic, not 9.04 as I said earlier.
>>
>>
>> jmm wrote:
>>> Things I tried, but did not work:
>>>
>>> - check if user is a member of "x2gousers" group in /etc/group
>>> - check if user is a member of "fuse" group in /etc/group
>>> - reset password of user to make sure not entering wrong password
>>> - set DisallowTCP to false in /etc/gdm/gdm.schemas
>>> - remove "-nolisten tcp" from /etc/X11/xinit/xserverrc
>>> - run the command `xhost +x` (from the command line it gives an 
>>> error "xhost: unable to open display """ caused by no active display 
>>> (and therefore no $DISPLAY environment variable), so I also tried 
>>> entering this from within an VNC session and the command completed 
>>> normally, also tried this with an Xvfb xsession)
>>> - allowed login with passwords in /etc/ssh/sshd_config
>>> - restart ssh service
>>> - restart EC2 instance
>>> - tried installing packages x2goserver-home, x2goserver-one, 
>>> x2goserver (and removed installations between trying different packages)
>>>
>>> When I tried different NX servers, I always used the corresponding 
>>> client (I have been careful not to mix up different clients with 
>>> different servers). For x2goserver I am using x2goclient from the 
>>> repository, I am using it on Ubuntu 9.04 desktop 64-bit edition. My 
>>> settings are:
>>>
>>> name: test
>>> hostname: <EC2 public dns here>
>>> login: ubuntu
>>> ssh port: 22
>>> use rsa/dsa key for SSH connection: <tried different settings, tried 
>>> to leave it empty, tried the key I got from amazon, tried a key 
>>> which was sitting in ~/.ssh/id_rsa; tried all possibilities with and 
>>> without password>
>>> session type: GNOME
>>>
>>> In all cases the error on the server stays the same.
>>>
>>>
>>> brian mullan wrote:
>>>> I've been  using AMI's from Alestic or one's I build myself.   But 
>>>> x2go's been working solid.
>>>>
>>>> So you did all the normal things like change /etc/ssh/sshd_config
>>>> to allow login with passwords
>>>> and the user is a member of x2gousers 'group'
>>>> etc
>>>>
>>>>
>>>>
>>>>
>>>> On Fri, Jan 21, 2011 at 5:21 AM, jmm <jagermeistermeister at gmail.com 
>>>> <mailto:jagermeistermeister at gmail.com>> wrote:
>>>>
>>>>     Yes, it is an Ubuntu Server AMI with ubuntu-desktop installed,
>>>>     the desktop is working with VNC so that part seems to have gone OK.
>>>>
>>>>     FYI it was an alestic.com <http://alestic.com> Ubuntu 10.10
>>>>     image, did you get the image from Canonical?
>>>>
>>>>
>>>>
>>>>     brian mullan wrote:
>>>>>
>>>>>
>>>>>     ---------- Forwarded message ----------
>>>>>     From: <x2go-dev-request at lists.berlios.de
>>>>>     <mailto:x2go-dev-request at lists.berlios.de>>
>>>>>     Date: Fri, Jan 21, 2011 at 3:29 AM
>>>>>     Subject: X2go-dev Digest, Vol 25, Issue 19
>>>>>     To: x2go-dev at lists.berlios.de <mailto:x2go-dev at lists.berlios.de>
>>>>>
>>>>>
>>>>>     Send X2go-dev mailing list submissions to
>>>>>            x2go-dev at lists.berlios.de
>>>>>     <mailto:x2go-dev at lists.berlios.de>
>>>>>     Note sure what you are doing but I've got quite a few ubuntu
>>>>>     10.10 servers on amazon
>>>>>     that I connect to using x2go.     Lack of the video card on
>>>>>     those AWS EC2 machines
>>>>>     makes no difference in regards to x2go.
>>>>>
>>>>>     But you have installed a "desktop" on those AWS instances?
>>>>>
>>>>>     If you created an instance from an Ubuntu Server AMI then you
>>>>>     would need to
>>>>>
>>>>>     /sudo apt-get install ubuntu-desktop/
>>>>>
>>>>>     or install some "light" desktop.
>>>>>
>>>>>
>>>>>
>>>>>     ------------------------------
>>>>>
>>>>>     Message: 4
>>>>>     Date: Fri, 21 Jan 2011 09:27:33 +0100
>>>>>     From: jmm <jagermeistermeister at gmail.com
>>>>>     <mailto:jagermeistermeister at gmail.com>>
>>>>>     To: x2go-dev at lists.berlios.de <mailto:x2go-dev at lists.berlios.de>
>>>>>     Subject: [X2go-dev] x2go not working on ubuntu 10.10?
>>>>>     Message-ID: <4D394375.7090300 at gmail.com
>>>>>     <mailto:4D394375.7090300 at gmail.com>>
>>>>>     Content-Type: text/plain; charset="iso-8859-1"; Format="flowed"
>>>>>
>>>>>     Hi,
>>>>>
>>>>>     I tried to get this working all night, but it seems there is
>>>>>     no way to
>>>>>     connect to an ubuntu 10.10 installation using x2go (package
>>>>>     x2goserver-home). When trying to connect, x2goagent is
>>>>>     complaining about
>>>>>     not being able to open a display (in the session log). The
>>>>>     machine is an
>>>>>     Amazon EC2 instance, which has no video card. I suspect this
>>>>>     is causing
>>>>>     the trouble. I have read it was working on ubuntu 10.04 by the
>>>>>     way, as
>>>>>     in
>>>>>     http://blog.restbackup.com/how-to-use-amazon-ec2-as-your-desktop
>>>>>
>>>>>     I also tried freenx, neatx and nxserver (from nomachine), and
>>>>>     they all
>>>>>     give similar errors. Tightvncserver on the other hand does
>>>>>     work, maybe
>>>>>     that's not so useful information, but just in case.
>>>>>
>>>>>     The server log says:
>>>>>
>>>>>     $ cat session.log
>>>>>     /usr/bin/x2goagent: line 1: -e: command not found
>>>>>
>>>>>     NXAGENT - Version 3.4.0
>>>>>
>>>>>     Copyright (C) 2001, 2007 NoMachine.
>>>>>     See http://www.nomachine.com/ for more information.
>>>>>
>>>>>     Info: Agent running with pid '3065'.
>>>>>     Session: Starting session at 'Fri Jan 21 00:42:15 2011'.
>>>>>     Info: Proxy running in server mode with pid '3065'.
>>>>>     Info: Waiting for connection from 'localhost' on port '30001'.
>>>>>     Info: Accepted connection from '127.0.0.1'.
>>>>>     Warning: Connected to remote version 3.2.0 with local version
>>>>>     3.4.0.
>>>>>     Info: Connection with remote proxy completed.
>>>>>     Info: Using ADSL link parameters 512/24/1/0.
>>>>>     Info: Using agent parameters 5000/10/50/0/0.
>>>>>     Info: Using cache parameters 4/4096KB/8192KB/8192KB.
>>>>>     Info: Using pack method '16m-jpeg-9' with session
>>>>>     'unix-kde-depth_24'.
>>>>>     Info: Using ZLIB data compression 1/1/32.
>>>>>     Info: Using ZLIB stream compression 4/4.
>>>>>     Info: No suitable cache file found.
>>>>>     Info: Listening to X11 connections on display ':50'.
>>>>>     Warning: The channel for FD#5 channel ID#1 was not marked as
>>>>>     finishing.
>>>>>     Error: Aborting session with 'X2goagent: Unable to open display
>>>>>     'nx/nx,options=/home/ubuntu/.x2go/C-ubuntu-50-1295570534_stDGNOME_dp24/options:50''.
>>>>>     Session: Aborting session at 'Fri Jan 21 00:42:24 2011'.
>>>>>     Session: Session aborted at 'Fri Jan 21 00:42:24 2011'.
>>>>>     Warning: Signals were not blocked in process with pid '3065'.
>>>>>     Info: Your session has died before reaching an usable state.
>>>>>     Info: This can be due to the remote X server refusing access
>>>>>     to the client.
>>>>>     Info: Please check the authorization provided by your X
>>>>>     application.
>>>>>     Info: Waiting the cleanup timeout to complete.
>>>>>
>>>>>
>>>>>     Client (x2goclient) log says:
>>>>>
>>>>>
>>>>>     NXPROXY - Version 3.2.0
>>>>>
>>>>>     Copyright (C) 2001, 2007 NoMachine.
>>>>>     See http://www.nomachine.com/ for more information.
>>>>>
>>>>>     Info: Proxy running in client mode with pid '7391'.
>>>>>     Session: Starting session at 'Fri Jan 21 02:29:02 2011'.
>>>>>     Info: Connecting to remote host 'localhost:30001'.
>>>>>     Info: Connection to remote proxy 'localhost:30001' established.
>>>>>     Warning: Connected to remote version 3.4.0 with local version
>>>>>     3.2.0.
>>>>>     Warning: Consider checking http://www.nomachine.com/ for updates.
>>>>>     Info: Connection with remote proxy completed.
>>>>>     Warning: Unrecognized session type 'unix-kde-depth_24'.
>>>>>     Assuming agent
>>>>>     session.
>>>>>     Info: Using ADSL link parameters 512/24/1/0.
>>>>>     Info: Using cache parameters 4/4096KB/8192KB/8192KB.
>>>>>     Info: Using pack method '16m-jpeg-9' with session
>>>>>     'unix-kde-depth_24'.
>>>>>     Info: Using ZLIB data compression 1/1/32.
>>>>>     Info: Using ZLIB stream compression 4/4.
>>>>>     Info: No suitable cache file found.
>>>>>     Info: Forwarding X11 connections to display ':0.0'.
>>>>>     Session: Session started at 'Fri Jan 21 02:29:06 2011'.
>>>>>     Error: Connection to ':0.0' failed. Error is 111 'Connection
>>>>>     refused'.Session: Terminating session at 'Fri Jan 21 02:29:15
>>>>>     2011'.
>>>>>     Info: Your session was closed before reaching a usable state.
>>>>>     Info: This can be due to the local X server refusing access to
>>>>>     the client.
>>>>>     Info: Please check authorization provided by the remote X
>>>>>     application.
>>>>>     Session: Session terminated at 'Fri Jan 21 02:29:15 2011'.
>>>>>
>>>>>
>>>>>
>>>>>     I'd really like to try NX, since it appearantly works faster
>>>>>     than VNC.
>>>>>     Please advice.
>>>>>
>>>>>     Kind regards,
>>>>>
>>>>>     jmm
>>>>>
>>>>>     -------------- next part --------------
>>>>>     An HTML attachment was scrubbed...
>>>>>     URL:
>>>>>     <https://lists.berlios.de/pipermail/x2go-dev/attachments/20110121/3e2bdecb/attachment.html>
>>>>>
>>>>>     ------------------------------
>>>>>
>>>>>     _______________________________________________
>>>>>     X2go-dev mailing list
>>>>>     X2go-dev at lists.berlios.de <mailto:X2go-dev at lists.berlios.de>
>>>>>     https://lists.berlios.de/mailman/listinfo/x2go-dev
>>>>>
>>>>>
>>>>>     End of X2go-dev Digest, Vol 25, Issue 19
>>>>>     ****************************************
>>>>>
>>>>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.x2go.org/pipermail/x2go-dev/attachments/20110121/2663f14d/attachment.html>


More information about the x2go-dev mailing list