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Yes ;-)<br>
<br>
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.<br>
<br>
<br>
Moritz Struebe wrote:
<blockquote cite="mid:4D39BF32.6040808@informatik.uni-erlangen.de"
type="cite">
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I assume you can SSH on the box. ;-)<br>
<br>
Morty<br>
<br>
Am 21.01.2011 18:10, schrieb jmm:
<blockquote cite="mid:4D39BE00.7070808@gmail.com" type="cite">
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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 :)<br>
<br>
I thought it might be a firewall issue, so I tried `sudo ufw disable`
but still the problem persists.<br>
<br>
<br>
<br>
jmm wrote:
<blockquote cite="mid:4D39B972.90705@gmail.com" type="cite">
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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.<br>
<br>
jmm wrote:
<blockquote cite="mid:4D39B777.10509@gmail.com" type="cite">
<meta content="text/html; charset=ISO-8859-1"
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Oops excuse me I use Ubuntu 9.10 karmic, not 9.04 as I said earlier.<br>
<br>
<br>
jmm wrote:
<blockquote cite="mid:4D39B09E.7060009@gmail.com" type="cite">
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Things I tried, but did not work:<br>
<br>
- check if user is a member of "x2gousers" group in /etc/group<br>
- check if user is a member of "fuse" group in /etc/group<br>
- reset password of user to make sure not entering wrong password<br>
- set DisallowTCP to false in /etc/gdm/gdm.schemas<br>
- remove "-nolisten tcp" from /etc/X11/xinit/xserverrc<br>
- 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)<br>
- allowed login with passwords in /etc/ssh/sshd_config<br>
- restart ssh service<br>
- restart EC2 instance<br>
- tried installing packages x2goserver-home, x2goserver-one, x2goserver
(and removed installations between trying different packages)<br>
<br>
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:<br>
<br>
name: test<br>
hostname: <EC2 public dns here><br>
login: ubuntu<br>
ssh port: 22<br>
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><br>
session type: GNOME<br>
<br>
In all cases the error on the server stays the same.<br>
<br>
<br>
brian mullan wrote:
<blockquote
cite="mid:AANLkTimuOzGwVsnwdBdFwA=g93kY0rHMYxVYe3_cW=uZ@mail.gmail.com"
type="cite">I've been using AMI's from Alestic or one's I build
myself. But x2go's been working solid.<br>
<br>
So you did all the normal things like change /etc/ssh/sshd_config<br>
to allow login with passwords<br>
and the user is a member of x2gousers 'group'<br>
etc<br>
<br>
<br>
<br>
<br>
<div class="gmail_quote">On Fri, Jan 21, 2011 at 5:21 AM,
jmm <span dir="ltr"><<a moz-do-not-send="true"
href="mailto:jagermeistermeister@gmail.com">jagermeistermeister@gmail.com</a>></span>
wrote:<br>
<blockquote class="gmail_quote"
style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">
<div bgcolor="#ffffff" text="#000000">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.<br>
<br>
FYI it was an <a moz-do-not-send="true" href="http://alestic.com"
target="_blank">alestic.com</a> Ubuntu 10.10 image, did you get the
image from Canonical?
<div>
<div class="h5"><br>
<br>
<br>
brian mullan wrote:
<blockquote type="cite"><br>
<br>
<div class="gmail_quote">---------- Forwarded message
----------<br>
From: <span dir="ltr"><<a moz-do-not-send="true"
href="mailto:x2go-dev-request@lists.berlios.de" target="_blank">x2go-dev-request@lists.berlios.de</a>></span><br>
Date: Fri, Jan 21, 2011 at 3:29 AM<br>
Subject: X2go-dev Digest, Vol 25, Issue 19<br>
To: <a moz-do-not-send="true" href="mailto:x2go-dev@lists.berlios.de"
target="_blank">x2go-dev@lists.berlios.de</a><br>
<br>
<br>
Send X2go-dev mailing list submissions to<br>
<a moz-do-not-send="true" href="mailto:x2go-dev@lists.berlios.de"
target="_blank">x2go-dev@lists.berlios.de</a><br>
Note sure what you are doing but I've got quite a few ubuntu 10.10
servers on amazon <br>
that I connect to using x2go. Lack of the video card on those AWS
EC2 machines<br>
makes no difference in regards to x2go.<br>
<br>
But you have installed a "desktop" on those AWS instances?<br>
<br>
If you created an instance from an Ubuntu Server AMI then you would
need to <br>
<br>
<div style="margin-left: 40px;"><i>sudo apt-get install
ubuntu-desktop</i><br>
</div>
<br>
or install some "light" desktop.<br>
<br>
<br>
<br>
------------------------------<br>
<br>
Message: 4<br>
Date: Fri, 21 Jan 2011 09:27:33 +0100<br>
From: jmm <<a moz-do-not-send="true"
href="mailto:jagermeistermeister@gmail.com" target="_blank">jagermeistermeister@gmail.com</a>><br>
To: <a moz-do-not-send="true" href="mailto:x2go-dev@lists.berlios.de"
target="_blank">x2go-dev@lists.berlios.de</a><br>
Subject: [X2go-dev] x2go not working on ubuntu 10.10?<br>
Message-ID: <<a moz-do-not-send="true"
href="mailto:4D394375.7090300@gmail.com" target="_blank">4D394375.7090300@gmail.com</a>><br>
Content-Type: text/plain; charset="iso-8859-1"; Format="flowed"<br>
<br>
Hi,<br>
<br>
I tried to get this working all night, but it seems there is no way to<br>
connect to an ubuntu 10.10 installation using x2go (package<br>
x2goserver-home). When trying to connect, x2goagent is complaining about<br>
not being able to open a display (in the session log). The machine is an<br>
Amazon EC2 instance, which has no video card. I suspect this is causing<br>
the trouble. I have read it was working on ubuntu 10.04 by the way, as<br>
in <a moz-do-not-send="true"
href="http://blog.restbackup.com/how-to-use-amazon-ec2-as-your-desktop"
target="_blank">http://blog.restbackup.com/how-to-use-amazon-ec2-as-your-desktop</a><br>
<br>
I also tried freenx, neatx and nxserver (from nomachine), and they all<br>
give similar errors. Tightvncserver on the other hand does work, maybe<br>
that's not so useful information, but just in case.<br>
<br>
The server log says:<br>
<br>
$ cat session.log<br>
/usr/bin/x2goagent: line 1: -e: command not found<br>
<br>
NXAGENT - Version 3.4.0<br>
<br>
Copyright (C) 2001, 2007 NoMachine.<br>
See <a moz-do-not-send="true" href="http://www.nomachine.com/"
target="_blank">http://www.nomachine.com/</a> for more information.<br>
<br>
Info: Agent running with pid '3065'.<br>
Session: Starting session at 'Fri Jan 21 00:42:15 2011'.<br>
Info: Proxy running in server mode with pid '3065'.<br>
Info: Waiting for connection from 'localhost' on port '30001'.<br>
Info: Accepted connection from '127.0.0.1'.<br>
Warning: Connected to remote version 3.2.0 with local version 3.4.0.<br>
Info: Connection with remote proxy completed.<br>
Info: Using ADSL link parameters 512/24/1/0.<br>
Info: Using agent parameters 5000/10/50/0/0.<br>
Info: Using cache parameters 4/4096KB/8192KB/8192KB.<br>
Info: Using pack method '16m-jpeg-9' with session 'unix-kde-depth_24'.<br>
Info: Using ZLIB data compression 1/1/32.<br>
Info: Using ZLIB stream compression 4/4.<br>
Info: No suitable cache file found.<br>
Info: Listening to X11 connections on display ':50'.<br>
Warning: The channel for FD#5 channel ID#1 was not marked as finishing.<br>
Error: Aborting session with 'X2goagent: Unable to open display<br>
'nx/nx,options=/home/ubuntu/.x2go/C-ubuntu-50-1295570534_stDGNOME_dp24/options:50''.<br>
Session: Aborting session at 'Fri Jan 21 00:42:24 2011'.<br>
Session: Session aborted at 'Fri Jan 21 00:42:24 2011'.<br>
Warning: Signals were not blocked in process with pid '3065'.<br>
Info: Your session has died before reaching an usable state.<br>
Info: This can be due to the remote X server refusing access to the
client.<br>
Info: Please check the authorization provided by your X application.<br>
Info: Waiting the cleanup timeout to complete.<br>
<br>
<br>
Client (x2goclient) log says:<br>
<br>
<br>
NXPROXY - Version 3.2.0<br>
<br>
Copyright (C) 2001, 2007 NoMachine.<br>
See <a moz-do-not-send="true" href="http://www.nomachine.com/"
target="_blank">http://www.nomachine.com/</a> for more information.<br>
<br>
Info: Proxy running in client mode with pid '7391'.<br>
Session: Starting session at 'Fri Jan 21 02:29:02 2011'.<br>
Info: Connecting to remote host 'localhost:30001'.<br>
Info: Connection to remote proxy 'localhost:30001' established.<br>
Warning: Connected to remote version 3.4.0 with local version 3.2.0.<br>
Warning: Consider checking <a moz-do-not-send="true"
href="http://www.nomachine.com/" target="_blank">http://www.nomachine.com/</a>
for updates.<br>
Info: Connection with remote proxy completed.<br>
Warning: Unrecognized session type 'unix-kde-depth_24'. Assuming agent<br>
session.<br>
Info: Using ADSL link parameters 512/24/1/0.<br>
Info: Using cache parameters 4/4096KB/8192KB/8192KB.<br>
Info: Using pack method '16m-jpeg-9' with session 'unix-kde-depth_24'.<br>
Info: Using ZLIB data compression 1/1/32.<br>
Info: Using ZLIB stream compression 4/4.<br>
Info: No suitable cache file found.<br>
Info: Forwarding X11 connections to display ':0.0'.<br>
Session: Session started at 'Fri Jan 21 02:29:06 2011'.<br>
Error: Connection to ':0.0' failed. Error is 111 'Connection<br>
refused'.Session: Terminating session at 'Fri Jan 21 02:29:15 2011'.<br>
Info: Your session was closed before reaching a usable state.<br>
Info: This can be due to the local X server refusing access to the
client.<br>
Info: Please check authorization provided by the remote X application.<br>
Session: Session terminated at 'Fri Jan 21 02:29:15 2011'.<br>
<br>
<br>
<br>
I'd really like to try NX, since it appearantly works faster than VNC.<br>
Please advice.<br>
<br>
Kind regards,<br>
<br>
jmm<br>
<br>
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<pre class="moz-signature" cols="72">--
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
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href="mailto:struebe@informatik.uni-erlangen.de">struebe@informatik.uni-erlangen.de</a>
WWW : <a moz-do-not-send="true" class="moz-txt-link-freetext"
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