Re: does simple "DISPLAY=" and "xhost +" not work anymore?

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On Sat, 10 Feb 2007, Mikkel L. Ellertson wrote:

> Robert P. J. Day wrote:
> >   just for the entertainment value, i was showing a group of newbie
> > linux users how easy it was to run a graphical client remotely, so i
> > did the same thing i've done many times -- had one person run "xhost
> > +" and someone else set DISPLAY appropriately so run an "xclock" on
> > their system and have the window itself pop up on the remote system.
> >
> >   to my surprise, it didn't work even though it seemed like i'd done
> > the same thing i'd done so many times before.  time prevented me from
> > digging into it further but is there something about FC6 that stops
> > this from working anymore?
> >
> >   do you need to do additional work with ssh or xauth or something
> > these days?  thanks.
> >
> > rday
> >
> Did you check the firewall settings? If I remember correctly, the
> default settings will block this.

i made sure both systems had their firewalling de-activated.  (yes, i
know that's hysterically unsafe, but i was just trying to isolate the
problem.)

> I think most people tunnel X connections over SSH now days - both
> for security and because the compression speeds things up.
>
> As a side benefit, if you use "ssh -Y" to make connection to the
> remote machine, you don't have to play with xhost of DISPLAY - ssh
> takes care of this for you.

i'll give that a shot next time, but i'm still curious as to why this
didn't work in the first place.

rday

-- 
========================================================================
Robert P. J. Day
Linux Consulting, Training and Annoying Kernel Pedantry
Waterloo, Ontario, CANADA

http://fsdev.net/wiki/index.php?title=Main_Page
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