Problem with X server

[Northrup, Wilson]

Try tunneling everything through ssh.  It gets around a whole host of
problems. 

ssh -X user at target.tld 
%xclock &

 
Make sure x11 forwarding is enabled in sshd_config. 
This gets around the need to use the xhost and export display settings.
Additionally it encrypts everything.




-----Original Message-----
From: redhat-list-bounces at redhat.com
[mailto:redhat-list-bounces at redhat.com] On Behalf Of Troy Amburg
Sent: Monday, May 05, 2008 2:30 PM
To: General Red Hat Linux discussion list
Subject: Re: Problem with X server

Try this:

On the local host, type:

xhost +


On May 5, 2008, at 11:24 AM, Wiedemann, Shane CIV NAVAIR wrote:

> I am at runlevel 5.  I'll answer any stupid question in the hopes it
> leads me to an answer and/or better understanding!
>
> -----Original Message-----
> From: redhat-list-bounces at redhat.com
> [mailto:redhat-list-bounces at redhat.com] On Behalf Of mark
> Sent: Thursday, May 01, 2008 19:31
> To: General Red Hat Linux discussion list
> Subject: Re: Problem with X server
>
> Wiedemann, Shane CIV NAVAIR wrote:
>> So this problem is most likely user error; none the less...
>
> Ok, stupid question #1: what runlevel are you at, 3 or 5?
>
> 	mark
>> I have some software (only one other place has this software) that to
>> view video windows that the software tries to pop up, you need to use
>> the following command to get it to display:
>> "software_name -display hostname", or at least that is what I am  
>> told.
>> I have inserted my hostname where it says "hostname" and verified  
>> with
>
>> "uname" that my hostname is correct.  I am not connecting to a remote
>> machine, am not on a network and am running the software on a
>> stand-alone machine.  The vendors of the software do connect  
>> remotely,
>
>> I believe, and they can pop video display windows just fine.   
>> Whenever
>
>> I run the software, I get a message that says "Unable to connect to x
>> server".
>> I currently have the DISPLAY variable set to ":0.0" and this seems to
>> be fine for opening programs, such as NEdit.  Any other setting (even
>> "hostname:0.0") and I cannot start programs such as editors and other
>> programs that open in a separate window.  I get errors that say  
>> "can't
>
>> open display" and the like.
>>
>> When I run the software, if I leave out the command "-display
> hostname"
>> all video rendering is done behind the scenes, i.e., I can't view it.
>
>> I have tried replacing "hostname" with all of the following:
>> hostname:0.0
>> :0.0
>> hostname:0
>> localhost
>> localhost:0.0
>> localhost:0
>>
>> Any clues?
>
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