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I have an application installed in my RHEL6 box that has a GUI (AppGui.sh). My problem is that a few non-tech users would like to access this GUI remotely. I've tried several guides over the internet but I still cant make it work.

I tried: -Installing X Window System -Enabling FORWARDX11=yes in my sshd_config -Exporting $DISPLAY variable -Connecting through ssh -X user@host (simply stays there)

How can I setup my box from scratch to make this work?

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2 Answers 2

up vote 3 down vote accepted

You could do this the easy way with NoMachine (NX). It's basically compressed X11 over SSH. So all you'll need on the remote side is a client (Mac, Windows, Linux) and to install a server piece on the RHEL6 box you're trying to connect to.

Anything else if going to be a bit slow (raw X11 forwarding), choppy (VNC) or a pain to setup (what you're going through now).

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Ok will try this now and Ill let you know. –  Rhyuk Oct 5 '12 at 13:17
    
Ugh... its giving me errors at the start session... Oct 5 09:59:06 isvahlrtk01 NXSERVER-3.5.0-11[53330]: ERROR: (exception id 5B3926AB) NX> 596 ERROR: execution of last command failed Oct 5 09:59:06 isvahlrtk01 NXSERVER-3.5.0-11[53330]: ERROR: (exception id 5B3926AB) NX> 596 last command: /usr/bin/xauth -v -f /home/tkadmin/.nx/C-isvahlrtk01-1004-A4C27A6B9F9A3BA43DECD3703AF73C9B/authority source /home/tkadmin/.nx/C-isvahlrtk01-1004-A4C27A6B9F9A3BA43DECD3703AF73C9B/scripts/au‌​thority –  Rhyuk Oct 5 '12 at 14:02
    
Ok found the solution for that problem. You need to add your hostname to /etc/hosts like this "127.0.0.1 localhost.localdomain localhost my_simple_hostname_here" now to deal with another error. Will keep you posted. –  Rhyuk Oct 5 '12 at 14:10
    
@Rhyuk Your /etc/hosts should follow these guidelines. –  ewwhite Oct 5 '12 at 14:16
    
Good News! Got it working! Bad news, theres a known bug with gnome desktop. Only loads background and the CTRL+ALT+R workaround doesnt work for me :/ –  Rhyuk Oct 5 '12 at 14:41

The easiest way for me is to use MobaXterm: you just have to

You have nothing else to do: MobaXterm automatically starts an X11 server and uses X11-Forwarding to display your remote GUI app. This is done without any need for further configuration, so it is very easy.

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