Chris,

I don't know if this will help you but I could imagine you try to 
connect a root server that has no graphic card?! I had to do this once 
ago and used therefore the virtual X-Server xvfb which was then 
connected via VNC with X11vnc.

I did this with VMware workstation but it should work also with Squeak.
E.g. to start a xterm this way I did
/usr/X11R6/bin/Xvfb :1 -screen 0 1024x786x24 -fbdir /tmp :1 export
DISPLAY=localhost:1; xterm &
x11vnc -display :1

and from remote connect with a VNC client my-ip-address:5900 to the
virtual X-Server.

Franz Josef

Am 03.01.2010 19:05, schrieb Chris Muller:
> I am running Ubuntu Server 8.04 (no desktop).  I've installed the
> 3.10-4 VM via the included INSTALL script (after changing to root).
>
> I am able to launch an image headless just fine:
>
>    squeak -vm display=none myImage.image&
>
> Now I want to run an image and display it on my remote laptop.  I ssh
> -X into the Ubuntu server box, but when I try to launch the image:
>
>    squeak myImage.image&
>    squeak: could not find any display driver
>
> Make sure it is not a permissions issue:
>
>    sudo chmod -R 777 /usr/local/lib/squeak
>
> Make sure it looks right:
>
>    ls -l /usr/local/lib/squeak/3.10-4/vm-display-X11
>
> "-rwxrwxrwx 1 chris chris 217882 2008-11-10 18:43
> /usr/local/lib/squeak/3.10-4/vm-display-X11"
>
> Ok, it's there now with open permissions.  Try again:
>
>    squeak -vm display=X11 myImage.image&
>
> Same result.  Try exporting my DISPLAY:
>
>    export DISPLAY=192.168.0.4:0.0
>    squeak -vm display=X11 vanilla.image&
>
> Now I get a different message:
>
> could not find display driver vm-display-X11; either:
>    - check that /usr/local/lib/squeak/3.10-4/vm-display-X11.so exists, or
>    - use the '-plugins<path>' option to tell me where it is, or
>    - remove DISPLAY from your environment.
>
> Ah ha, could the problem be it is looking for a .so extension on the
> plugin?  Copy it to that name too:
>
>    cp -p /usr/local/lib/squeak/3.10-4/vm-display-X11
> /usr/local/lib/squeak/3.10-4/vm-display-X11.so
>
> I still get the same result, but it's tellling me to remove DISPLAY
> from my environment..?  Ok, done.
>
> Shoot, back to the old message:
>
>    squeak: could not find any display driver
>
> Now I try the same thing against a different server, a Ubuntu 8.04 (desktop).
>
>    xhost  myServer
>    ssh -X chris at myServer
>    squeak myImage.image&
>
> It works just fine, the image displays and operates on my laptop!  So,
> it would seem some installation problem on my Ubuntu *server* edition.
>
> I'm starting to pull my hair, anyone have any ideas?
>
>   - Chris
>