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

jmm jagermeistermeister at gmail.com
Fri Jan 21 17:50:58 CET 2011


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
>>>>
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>>>>     ------------------------------
>>>>
>>>>     _______________________________________________
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>>>>     End of X2go-dev Digest, Vol 25, Issue 19
>>>>     ****************************************
>>>>
>>>
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