[CentOS] Display a warning message at a certain time ?

xmessage is another option.  I use it from time to time.  It would need
minimal dependencies if that is a consideration.

-geoff

---------------------------------
Geoff Galitz
Blankenheim NRW, Germany
http://www.galitz.org/
http://german-way.com/blog/

> >
> > I'm currently installing a CentOS 5 desktop as a public internet access
> > point. The machine shuts down every day automatically at 22:30. Is there
> > a way I can display a message in GNOME at 22:15 warning the user that
> > the machine will shutdown in 15 minutes ?
> >
> > Any suggestions ?