New answers tagged notifications
In the past I used this plugin: https://addons.mozilla.org/en-US/thunderbird/addon/firetray/ a quote from the official plugin page: display unread messages count in tray icon Worked perfectly as far as I can remember.
You simply use wall; running it as root will ensure every terminal displays the message. wall Your attention please\! Older versions of wall only accept a file name on their command-line, or a message piped in: echo Your attention please\! | wall
man wall will give you what you need. You execute wall with either a filename, or you pipe content to it. For example, either, wall file.name to broadcast the content of the file file.name or echo "Dive\!" | wall to send the message Dive! Update: As Stephen points out in this answer, later versions of wall can send messages by simply typing, wall ...
notify-send is simple, all you need to do is call it from your bash script like this notify-send 'some title' 'some message' You'll get nice little notification pupup on KDE.
It's possible; once the patch completed, we got email notifications on Redhat satellite server.
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