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Running programs via VNC problem with Fedora 11



I'm seeing things that work fine under Fedora 10 not work under Fedora 11.
Here is the latest example. 
If connected via vnc, I can run nmapfe as a regular user, but get the 
limitation message about being non-root. 
If I use su and then run the program the following occurs.

No protocol specified
  File "/usr/bin/nmapfe", line 102, in <module>
    import zenmapGUI.App
  File "/usr/lib/python2.6/site-packages/zenmapGUI/App.py", line 34, in 
<module>
    import gtk
  File "/usr/lib/python2.6/site-packages/gtk-2.0/gtk/__init__.py", line 79, in 
<module>
    _init()
  File "/usr/lib/python2.6/site-packages/gtk-2.0/gtk/__init__.py", line 67, in 
_init
    _gtk.init_check()
No protocol specified
Error in sys.excepthook:
Traceback (most recent call last):
  File "/usr/bin/nmapfe", line 47, in excepthook
    import gtk
  File "/usr/lib/python2.6/site-packages/gtk-2.0/gtk/__init__.py", line 79, in 
<module>
    _init()
  File "/usr/lib/python2.6/site-packages/gtk-2.0/gtk/__init__.py", line 67, in 
_init
    _gtk.init_check()
RuntimeError: could not open display

Original exception was:
Traceback (most recent call last):
  File "/usr/bin/nmapfe", line 102, in <module>
    import zenmapGUI.App
  File "/usr/lib/python2.6/site-packages/zenmapGUI/App.py", line 34, in 
<module>
    import gtk
  File "/usr/lib/python2.6/site-packages/gtk-2.0/gtk/__init__.py", line 79, in 
<module>
    _init()
  File "/usr/lib/python2.6/site-packages/gtk-2.0/gtk/__init__.py", line 67, in 
_init
    _gtk.init_check()
RuntimeError: could not open display

Since it can run as a regular user, is this a policykit or other error.
Works fine in Fedora 10 and before.

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  Michael D. Setzer II -  Computer Science Instructor      
  Guam Community College  Computer Center                  
  mailto:mikes kuentos guam net                            
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  Guam - Where America's Day Begins                        
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