[X2go-dev] x2go not working on ubuntu 10.10?
jmm
jagermeistermeister at gmail.com
Fri Jan 21 17:13:18 CET 2011
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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