[phenixbb] GUI and X servers

Nathaniel Echols NEchols at lbl.gov
Fri Oct 30 12:39:10 PDT 2009

On Oct 30, 2009, at 11:10 AM, Leo Sazanov wrote:
> Hi, I am accessing our linux server (where phenix sits) via Exceed X
> server from Windows machine, and everything used to work fine until
> recent (I think from v.1-5-2) versions of phenix.
> Now if I launch new GUI, mouse position is not recognised anymore not
> only by phenix, but then also by other programs - so if I click on
> something, something else completely gets activated.
> I did not change any Exceed settings, so the problem seems to be due  
> to
> phenix.
> Also, same thing happens with Xming server.
> If I access from Mac machine, everything seems to be OK.
> Has anybody seen it and what could be the reason for that?

I had never tried this until now, but I experienced a similar problem  
on our lone Windows system here (XP and Exceed 9, I think).  The GUI  
wasn't really designed to be run remotely over X11 - it should work,  
mostly, but it's not really the most robust method and anything  
involving OpenGL may cause problems.  A better solution is to use  
desktop virtualization software: NoMachine's NX Server is an excellent  
product, which we use extensively.  They have a free version, which  
lacks support but (according to Paul) is otherwise fully functional.   
(The server is only for Linux and Solaris, but there are clients for  
Mac and Windows too.)


Nathaniel Echols
Lawrence Berkeley Lab
NEchols at lbl.gov

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