Notify all users

Hal V. Engel hvengel at
Tue Sep 9 10:54:36 PDT 2008

On Tuesday 09 September 2008 09:25:13 am John Tapsell wrote:
> 2008/9/9 Jason Kim <jason at>:
> > I think the imaginary "xwall" won't work because each user has it's own
> > X session.
> >
> > How possibly a program determine all running X sessions?
> KDE used to have a demon 'kwrited'  that would simply listen for
> 'wall' messages and then display them to the user.
> This code probably just needs a bit of cleaning up and would probably
> work again.
> Something similar could be done for gnome
> JohnFlux

I just did a quick test with KDE 4.1 and kwrited is working and popping up a 
message box that has messages sent with wall.  So it is working at least for 
more recent versions of KDE.  I would think that the daemon could be modified 
without too much difficulty to pop up a generic X (IE. non-KDE or Qt specific) 
message box if that is not already the case.

To configure this go to System Settings  --> Advanced --> Service Manager and 
make sure that KDE Write Daemon is checked in the Startup Services area.  

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