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Old 02-26-2004, 01:47 PM   #1
Registered: Jan 2004
Distribution: AIX 4.3 RH 7,8,9 / Fedora C1/
Posts: 187

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HELP!! Error in GXSTRT: Unable to connect to X server


I need your help fedora users...

I have an application that runs on a remote machine and I want the display window to pop up on local machine:

local machine: Fedora C1
remote machine: RedHat 9.0

Here's the setup: I login into Local machine (console)...I type: xhost + remote.machine from that same terminal, I then ssh into the remote machine. While on the remote machine I type: setenv DISPLAY local.machine.ipaddr:0.0 after typing return. To check: I type....
echo $DISPLAY (from the remote machine and the display variable is set to display on the local machine).

Now i try to start the application that is fully installed on the remote machine and I get the following error:

Error in GXSTRT: Unable to connect to X server

FYI: the local machine is in runlevel 5 initially and when i type:

ps -eaf |grep X on the remote machine I get the following:

root 2401 2400 15 Feb17 ? 1-09:45:09 /usr/X11R6/bin/X :0 -auth /var/gdm/:0.Xauth vt7

user 2410 2400 0 Feb17 ? 00:00:00 -/bin/tcsh -c /usr/bin/ssh-agent /usr/share/apps/switchdesk/Xclients.kde

user 2466 2465 0 Feb17 ? 00:00:00 /usr/bin/ssh-agent /usr/share/apps/switchdesk/Xclients.kde

user 10460 2508 0 Feb20 ? 00:00:00 kdeinit: kio_file file /tmp/ksocket-user/klauncherXFwDhc.slave-socket /tmp/ksocket-user/konquerorZd547b.slave-socket

ps -eaf |grep X on the local machine get the following:

root 3337 3336 23 Feb24 ? 11:29:18 /usr/X11R6/bin/X :0 -audit 0 -auth /var/gdm/:0.Xauth -nolisten tcp vt7

user 6338 3336 0 14:25 ? 00:00:00 -/bin/tcsh -c /usr/bin/ssh-agent /home/user/.Xclients

user 6384 6383 0 14:25 ? 00:00:00 /usr/bin/ssh-agent /home/user/.Xclients
root 7071 7021 0 14:35 pts/1 00:00:00 grep X

Could the -nolisten tcp (on the local machine) be stopping this xserver from starting?

The odd thing is, is that when I use a Redhat 9.0 Local Machine and keeping the remote machine the same...the x-application works fine!!!!!! so it seems that the X settings on Fedora C1 may need to be changed. Could someone help me with this???

many thanks

Old 02-26-2004, 04:48 PM   #2
Registered: Jan 2004
Distribution: AIX 4.3 RH 7,8,9 / Fedora C1/
Posts: 187

Original Poster
Rep: Reputation: 30
I figured this one out:

The x-application that I was using was not compatible with Fedora i retrieved the latest version (beta) of the app and it worked...turns out that being on the bleeding edge does have its downfalls!

Old 05-06-2004, 02:47 PM   #3
LQ Newbie
Registered: Aug 2003
Posts: 12

Rep: Reputation: 0
same problem here...

I'm having the same problem trying to X some applications on
Solaris back to my Linux desktop. So far, none of the basic applications
I've tried seem to work, including things like mozilla.

Something is amiss. The behavior is just as though the remote application
is being refused a connection by X11 on Fedora (FC2T3, to be exactl).

Is this a known issues with Fedora? I had no similar issues with
RH9 (which had a completely different X implementation, of course).

Help! So far I love Fedora except for this problem...

Old 05-07-2004, 02:50 PM   #4
LQ Newbie
Registered: Aug 2003
Posts: 12

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Figured it out.

I needed to uncheck the box that says
"Always disallow TCP connections to X server".

It's located under "System Setting"->"Login Screen",...on the Security tab.

Old 09-18-2007, 02:34 PM   #5
LQ Newbie
Registered: Sep 2007
Posts: 1

Rep: Reputation: 0
GXSTRT error

Try install the program xming, configure for enable X11. This procedure resolve your problem.
PS: Donīt forget "xhost +" and "export DISPLAY=<ip for display>:0.0

I hope help you


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