Connect to local X server?

[Bruce Edge]

> Today's Topics:
>
>   1. Connect to local X server? (Shawn Young)
>
>
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> Message: 1
> Date: Fri, 10 Sep 2010 15:18:14 -0600
> From: Shawn Young <address@hidden>
> Subject: Connect to local X server?
> To: address@hidden
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>
> Hi,
>
> I am sorry for bothering you with what is probably a simple question but I
> am not creative enough to come up with the proper search keywords when I've
> tried searching this on the screen-users' website or on google.  Whenever I
> try to pull up an application which requires X when I am using screen I get
> an error telling me that I can't connect to the local X server.  This isn't
> a problem on a different machine that I have, in fact, using that machine I
> can log into the machine with a problem, start a screen session and pull up
> X applications.  What should I look for on the machine with problems that
> will fix my problem?
>
> Thanks,
>
> Shawn
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I use a couple of scripts for this.

One, xenvsave, I use from any terminal with the correct X settings,
the other, an alias, xenvload I use from terminals that need their env
"fixed".
The xenvload create host specific .ssh.env files in my home and the
xenvload simply sources them.
Here's the details;

0 %> cat ~/bin/xenvsave

#!/bin/bash

# Copy X env into a file that can be sourced from another shell.
host=$(hostname)
file=~/.ssh.env.$host
echo "set -a" >$file
env | grep -e SSH -e DISPLAY | grep -v TTY | sed -e 's/=\(.\+\)/="\1"/' >>$file
echo "set +a" >>$file


alias xenvload=". ~/.ssh.env.$(hostname)"

I'm sure someone has a cleaner option, but this works pretty well in
an env of many servers and X sessions.

-Bruce