Install
sudo apt-get install notify-osd libnotify-bin
Example
notify-send "WiFi connection lost" -i notification-network-wireless-disconnected
Links
http://wiki.ubuntuusers.de/Benachrichtigungsdienst
https://wiki.ubuntu.com/NotifyOSD
Install
sudo apt-get install notify-osd libnotify-bin
Example
notify-send "WiFi connection lost" -i notification-network-wireless-disconnected
Links
http://wiki.ubuntuusers.de/Benachrichtigungsdienst
https://wiki.ubuntu.com/NotifyOSD