Re: How do I get 2 displays with 2 different window managers?

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Hi,

Thanks for your reply. That sounds good to me. I would
be happy with just getting TWM on one "screen" and
just having the X server running on the other screen.
I can get my 2 screens up when I do:

# xinit -- :0

I get an X server running on the first screen with a
default xterm window. I get an X server running on the
second screen with NO windows. From the first screen I
can run "setenv DISPLAY :0.0" and "setenv DISPLAY
:0.1" and popup xterms on the respective displays.
This is good.

The problem is that when I type "twm -display :0.0",
twm starts up on BOTH displays! Can someone help me
just start it on ONE display? Then I can pop up xterms
on the second display and they will not have an window
manager which is what I want.

Thanks,
Todd


--- Mark Vojkovich <mvojkovi@xxxxxxxxxxx> wrote:

>    You cannot run two displays without having two
> X-servers, and
> two X-servers cannot display simulateously because
> each needs to
> own the VT (they will end up on separate VTs).  You
> want one server
> with two screens.
> 
>    You should probably ask the Gnome or KDE folks. 
> TWM observes
> the -display commandline option and does what you
> want.  The "fancy"
> window managers often try to be too clever and start
> up on all
> available screens.
> 
> 			Mark.
> 
> On Thu, 18 May 2006, Harrington, Todd wrote:
> 
> > Hi,
> >
> > My goal is to be able to create two "displays" not
> "screens" running 2 different window managers (one
> will actually be just an X-server). I want to run
> Gnome on one display (keyboard and mouse) and just
> an X-Server (no keyboard and mouse) with no window
> manager in the other.
> >
> > I have tried both a single Matrox G450 Dual-Headed
> graphics card and two single ATI Rage Pro 8MB Cards.
> I will be happy to get either configuration working.
> I have the same results so far with both types of
> cards.
> >
> > I am running RedHat Enterprise ES 4. I configured
> my xorg.conf file for 2 devices, 2 screens, and 2
> monitors and then I created a ServerLayout section.
> When I type "startx" Gnome starts on both displays
> and my keyboard and mouse control is one display. I
> was happy to see this.
> > I open an xterm and do:
> >
> > # setenv DISPLAY :0:0
> > # xterm & (an xterm pops up on one display)
> > # setenv DISPLAY :0:1
> > # xterm & (an xterm pops up on the OTHER display)
> >
> > So, as I understand it, the number before the "."
> is the display number and the number after the "."
> is the screen number. Apparently I am running two
> screens and not two displays. This is why I think
> this might be a problem......
> >
> > Now I have to figure out how to start Gnome or KDE
> in one window and have it NOT come up in the other
> window (I just want an X server with no window
> manager in that 2nd window). I looked in XClients
> and saw gnome-session getting called. I had seen
> some documentation on the web for gnome-session that
> said there was a "-display" parameter that I could
> pass the display number. I did not see this in the
> man page for "gnome-session" though. Is there a
> display number parameter so that I can just start
> gnome-session one ONE display? What about for
> "startkde"? If I can specify a display number for
> gnome-session or startkde, I would think I have to
> make it so the displays are ":0:0" and ":1:0", not
> 0:1 and 0:2, is that correct?
> >
> > Thanks,
> > Todd
> >
> >
> >
> > Todd Harrington
> > Senior Systems Engineer
> > Suntron Corporation
> > Phone: (978) 747-2048
> > Fax:     (978) 747-2010
> > todd.harrington@xxxxxxxxxxxxxxx
> >
> >
> > _______________________________________________
> > XFree86 mailing list
> > XFree86@xxxxxxxxxxx
> > http://XFree86.Org/mailman/listinfo/xfree86
> >
> _______________________________________________
> XFree86 mailing list
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> http://XFree86.Org/mailman/listinfo/xfree86
> 


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