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Old 02-21-2006, 05:42 PM   #1
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Registered: Feb 2006
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Setting up Linux for remote Xwindows

I have setup a Red Hat AS3 server and would like to connect to it with cygwin's xwindows, on a MS Windows box. My cygwinis working fine and I can connect to other linux servers with xwindows configured, I just cannot connect to the one I have just setup.

I have installed kdebase with yum. When I try to run startx I get the errors below. Any idea what I am doing wrong?

Am I wrong to think that if I run startx and it runs then I should be able to connect remotely. startkde is for starting kde on the box same box correct? Like I login to console and run startkde, and this starts the graphical interface on the terminal I am on?

[root]$ startx
hostname: Unknown host
Using authority file /root/.Xauthority
Writing authority file /root/.Xauthority

XFree86 Version 4.3.0 (Red Hat Enterprise Linux 3 release: 4.3.0-81.EL)
Release Date: 15 August 2003
X Protocol Version 11, Revision 0, Release 6.6
Build Operating System: Linux 2.6.9-1.906_ELsmp i686 [ELF]
Build Date: 16 March 2005
Build Host: not allowed to post urls yet...

Before reporting any problems, please make sure you are using the most
recent XFree86 packages available from Red Hat by checking for updates
at [ur1]not allowed to post urls yet...[/ur1] or by using the Red Hat Network up2date
tool. If you still encounter problems, please file bug reports in the
XFree86 bugzilla at [ur1]not allowed to post urls yet...[/ur1] and/or Red Hat
bugzilla at [ur1]not allowed to post urls yet...[/ur1]

Module Loader present
OS Kernel: Linux version 2.4.21-32.0.1.ELsmp (not allowed to post urls yet...) (gcc version 3.2.3 20030502 (Red Hat Linux 3.2.3-52)) #1 SMP Tue May 17 17:52:23 EDT 2005
Markers: (--) probed, (**) from config file, (==) default setting,
(++) from command line, (!!) notice, (II) informational,
(WW) warning, (EE) error, (NI) not implemented, (??) unknown.
(==) Log file: "/var/log/XFree86.0.log", Time: Tue Feb 21 11:25:50 2006
(EE) Unable to locate/open config file
(EE) Error from xf86HandleConfigFile()

Fatal server error:
no screens found

If you encounter a server crash, please report the problem by filing a bug
report in the XFree86 bugzilla at [ur1]not allowed to post urls yet...[/ur1] and/or Red Hat
bugzilla at [ur1]not allowed to post urls yet...[/ur1]. When filing your report, it
is very important that you explain your problem in as much detail as possible,
and include a complete description on how to reproduce the problem. After
submitting the bug report, attach the following files as uncompressed
individual file attachments using the bugzilla file attachment feature:
- X server log file: /var/log/XFree86.0.log
- Kernel log file: /var/log/messages

XIO: fatal IO error 104 (Connection reset by peer) on X server ":0.0"
after 0 requests (0 known processed) with 0 events remaining.
Old 02-21-2006, 05:56 PM   #2
Registered: Dec 2003
Location: ~root
Distribution: Debian
Posts: 364

Rep: Reputation: 33
(EE) Unable to locate/open config file
(EE) Error from xf86HandleConfigFile()
The XFree configuration file doesn't exists. You need to configure it first.

I would also reccomend putting a "&" after "startx". This way teh process is put in the background, and it will not terminate if you close teh SSH/Console session. So it's like:
startx &

Last edited by saman007uk; 02-21-2006 at 06:06 PM.
Old 02-21-2006, 11:49 PM   #3
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Registered: Feb 2006
Posts: 5

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Thanks 007, I created the file and ran nohup startx & and tail nohup.out and it seems to have started correctly. No errors. But I am still unable to connect with my cygwin install, it just hangs and I never get the login screen. Below are the x processes I have running. I am a little confused from some of the stuff I am reading, sounds like I need the server to run x client, is that kdm then. I started it as well and have still not been able to connect.

[aobrien]$ ps -ef|grep x
root 480 1 0 11:11 ? 00:00:00 klogd -x
root 3494 2732 0 16:47 pts/1 00:00:00 /bin/sh /usr/bin/X11/startx
root 3509 3494 0 16:47 pts/1 00:00:00 xinit /etc/X11/xinit/xinitrc --
root 3530 3514 0 16:47 ? 00:00:00 ssh-agent /etc/X11/xinit/Xclients
aobrien 3664 2732 0 16:56 pts/1 00:00:00 grep x
Old 02-22-2006, 01:12 AM   #4
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Registered: Aug 2005
Posts: 1,755

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Umm... you don't want to run startx or configure X on the remote machine, that will just start the X server on the remote machine (not what you want). This has absolutely nothing to do with X on the remote machine at all (it makes no difference if there were no X at all on that machine).

You want the programs to use the local X server on your Windows. You want to first start the X server in Cygwin (run startx in Cygwin). Then in the xterm, ssh using "ssh -Y user@host ..." (this enables X forwarding). Make sure that X forwarding is allowed in the /etc/ssh/sshd_config on the remote machine.


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