[X2go-dev] x2go not working on ubuntu 10.10?
jmm
jagermeistermeister at gmail.com
Fri Jan 21 18:15:35 CET 2011
Yes ;-)
Sorry, I meant I disabled the firewall on the client, maybe it was
blocking the connections to the tunneled port on localhost (I think it
is localhost:30000 or something). But it appears it wasn't.
Moritz Struebe wrote:
> 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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>>>>>>> ------------------------------
>>>>>>>
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>>>>>>> ****************************************
>>>>>>>
>>>>>>
>>
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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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