how to send a popup dialog to all users?
 

Hi there, I need to broadcast some message to all active users. I try write and wall, both are working when the users open the console. But if they don't, they won't get the notification immediately. How can I send a popup dialog to all users? Any idea?

There's a thread here that you might find useful.
http://www.linuxquestions.org/questi...r-on-x-636283/