xWindows error: xhost unable to open display Post: 302550635

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Top Forums UNIX for Dummies Questions & Answers xWindows error: xhost unable to open display Post 302550635 by shoefiend on Friday 26th of August 2011 02:24:31 PM

08-26-2011

Registered User

xWindows error: xhost unable to open display

I am trying to direct a AIX display to my XWindows and I am at a dead end now!
So this what I've done so far:

1. In putty settings, I set "Enable X11 forwarding" and also set "X diplay location" to "localhost:0" (without quotes, of course)

2. Via putty, connected to my AIX server
3. On AIX, forwarded display to my Windows box
$ export DISPLAY=<ip address of Windows>:0

Meanwhile, I opened MobaXTerm.exe on my Windows machine
$ ssh username@AIX_host_name

On AIX:
$ xclock
Xlib: connection to "<Windows IP address>:0.0" refused by server
Xlib: No protocol specified
Error: Can't open display: <Windows IP Address>:0

On Windows: tried looking for listener
$ ps -ef | grep listen
root 364732 1 0 Aug 21 - 0:00 /usr/bin/cimlistener

Then tried setting the Windows to be a host to AIX box:
$ xhost <IP Address of AIX box>
1356-200 xhost unable to open display ""

What more to do?

---------- Post updated at 02:24 PM ---------- Previous update was at 12:07 PM ----------

Er.. looks like the various XWindows clients I was trying out were all clashing with one another.

I was trying both XMing and MobaXTerm. Finally noticed that XMing server was still running in the background even though I thought I'd exited XMing.

The following steps in same order worked:
1. Exited XMIng server

2. Connected to AIX server using MobaXTerm
$ ssh username@ServerName

3. In Putty settings, enable X11 Forwarding and set display to localhost:0
(google for this. I am unable to post links as Im a new forum memeber)

4. Connect to AIX using putty
5. Set display to IP address of Windows machine that is running MobaXTerm:
$ echo $DISPLAY

$export DIPSLAY=<ip address of Windows machine>:0

6. Test with a comamnd like xclock. If everything is right, it should display the clock on the windows machine
$ xclock

Last edited by shoefiend; 08-26-2011 at 03:25 PM.. Reason: Resolved the problem myself

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LEARN ABOUT DEBIAN

propwatch

propwatch(1)						      General Commands Manual						      propwatch(1)

NAME

       propwatch - a tool to monitor X11 properties

SYNOPSIS

       propwatch [ options ] property-name ...

DESCRIPTION

       propwatch is a tool to monitor window properties of root and application windows.  Nice for debugging property-based IPC of X11 programs.

OPTIONS

       propwatch uses the Athena Widgets and accepts the usual toolkit options like -display and -geometry.

       Additional options are:

       -watch display
	      Display  to  monitor  the windows on.  By default the display specified in the DISPLAY environment variable or via -display is used,
	      but it is possible to watch another display instead.

       -verbose
	      be verbose.

       -proplog
	      Log property changes to stdout.

       -kbdlog
	      Log keystrokes to stdout.

       All remaining command line arguments are assumed to be property names which should be monitored.  If no property  names	are  specified,  a
       build in default (WM_COMMAND) will be used.

ENVIRONMENT

       DISPLAY
	      specifies the display to use for the propwatch window.

SEE ALSO

       xprop(1), xhost(1), xauth(1), xwd(1)

AUTHOR

       Gerd Knorr <kraxel@bytesex.org>

COPYRIGHT

       Copyright (C) 1997-2003 Gerd Knorr
       This  program  is  distributed  in  the	hope  that  it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MER-
       CHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.

							     (c) 1997-2003 Gerd Knorr						      propwatch(1)

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