[X2go-dev] x2go not working on ubuntu 10.10?
Moritz Struebe
Moritz.Struebe at informatik.uni-erlangen.de
Fri Jan 21 18:15:30 CET 2011
I assume you can SSH on the box. ;-)
Morty
Am 21.01.2011 18:10, schrieb jmm:
> 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
>>>>>>
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>>>>>> ------------------------------
>>>>>>
>>>>>> _______________________________________________
>>>>>> 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
>>>>>> ****************************************
>>>>>>
>>>>>
>
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--
Dipl.-Ing. Moritz 'Morty' Struebe (Wissenschaftlicher Mitarbeiter)
Lehrstuhl für Informatik 4 (Verteilte Systeme und Betriebssysteme)
Friedrich-Alexander-Universität Erlangen-Nürnberg
Martensstr. 1
91058 Erlangen
Tel : +49 9131 85-25419
Fax : +49 9131 85-28732
eMail : struebe at informatik.uni-erlangen.de
WWW : http://www4.informatik.uni-erlangen.de/~morty
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