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

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On Sat, 10 Feb 2007, Cris Rhea wrote:

> > Message: 13
> > Date: Sat, 10 Feb 2007 13:30:03 -0500 (EST)
> > From: "Robert P. J. Day" <rpjday@xxxxxxxxxxxxxx>
> > Subject: Re: does simple "DISPLAY=" and "xhost +" not work anymore?
> > To: For users of Fedora <fedora-list@xxxxxxxxxx>
> > Message-ID:
> > 	<Pine.LNX.4.64.0702101328380.5643@CPE00045a9c397f-CM001225dbafb6>
> > Content-Type: TEXT/PLAIN; charset=US-ASCII
> >
> > On Sat, 10 Feb 2007, Mikkel L. Ellertson wrote:
> > 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
>
> Out of the box, FC6 had GDM configured to not allow TCP connections...
>
> [root@kaizen ~]# ps ax | grep gdm
>  2620 ?        S      0:00 /usr/sbin/gdm-binary -nodaemon
>  2660 ?        S      0:00 /usr/sbin/gdm-binary -nodaemon
>  2664 ?        S      0:00 /usr/sbin/gdm-binary -nodaemon
>  2667 tty7     Ss+    1:35 /usr/bin/Xorg :0 -br -audit 0 -auth /var/gdm/:0.Xauth -nolisten tcp vt7
>
>
> Notice the last line--- "-nolisten tcp" is the important part.
>
> vi /usr/share/gdm/defaults.conf
>
> Change the line:
>
> #DisallowTCP=true
>
> to be:
>
> DisallowTCP=false
>
> Restart GDM by rebooting or by killing ALL the GDM processes... NOTE:
> THIS WILL LOG YOU OFF!!
>
> When you log back in, you will see the changed process:
>
> [crhea@kaizen ~]$ ps ax | grep gdm
>  6605 ?        S      0:00 /usr/sbin/gdm-binary -nodaemon
>  6634 ?        S      0:00 /usr/sbin/gdm-binary -nodaemon
>  6646 ?        S      0:00 /usr/sbin/gdm-binary -nodaemon
>  6651 tty7     Ss+    0:01 /usr/bin/Xorg :0 -br -audit 0 -auth /var/gdm/:0.Xauth vt7
>
> Viola!  Redirecting your display will work as expected....

ah, eggcellent.  thanks.

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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