Re: [SLUG] export:DISPLAY

From: james martinez (jmarti16@tampabay.rr.com)
Date: Tue Nov 20 2001 - 05:37:47 EST


If you think VNC is too slow check out VNC lite.
http://www.tightvnc.com/

On Tuesday 20 November 2001 18:07, you wrote:
> Paul Hostetler wrote:
>
> VNC does what you want and more.
>
> VNC does work, but in my experience, it is much slower than using the
> native X protocol, and operates at the desktop level, not at the
> single-app level (yuck!). To use the native X protocol:
>
> 1) open an xterm on the box where you are sitting
> 2) "xhost +" to allow X connections from remote machines
> 3) "ssh myhomemachine" the rest of what you type will be on your home
> server 4) "export DISPLAY=208.18.136.9:0" of course, you need to use the
> IP address of the workstation where you are sitting (and if there is a
> firewall in the way, it must allow X connections to come in, and if you are
> behind a masquerading box, this will be difficult).
> 5) "netscape" or whatever program you want to run. When the app (ie
> netscape) sees the DISPLAY=208.18.136.9:0 in its environment, it will
> "draw" all of its windows, widgets, etc on the X server at your school
> instead of on its local CRT. (Don't flame me for the unscientific
> explanation, I am trying to get someone up and running).
>
> NOTE: you said that you are using SSH. SSH understands how to setup the
> environment for remote X sessions. After you SSH into your home
> machine, type "echo $DISPLAY". You should see that it is already setup
> properly to connect back to your school. Just type "netscape" and it
> should work. In fact, this might resolve all problems with masquerading
> and firewalls (at the school side anyway), because SSH sets-up an X
> proxy, and all of the X traffic comes back over the encrypted channel.
> I think that this will remove the need for allowing new TCP/IP
> connections???
>
> --ronan



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