Why os.sytem won't show desktop notification to user?
21835
Using notify-send with cron
33710
How can I set desktop defaults for new users?
112977
JNotify on Mac OS X?
120365
Display notification whenever app is running or not
147040
Is there a way to see System Information before first user is added?
59595
How to show desktop background on second monitor when Windows is locked?
40511
How to disable the "Get Windows 10" icon shown in the notification area (tray)?
29706
notify-send only works with sudo
43023
How can I show or hide boot messages when Ubuntu starts?
41856
How to detect the desktop environment in a bash script?
127875
Accessing a terminal when an interactive desktop session is unresponsive?
17631
How to find out what process a system tray icon corresponds to?
4703
What are the different ways that a message can be displayed to a bash shell after a user logs in?
11020
Thunderbird : email notification and unity-panel icon
8285
OSX Notification Center Icon
74273
How do I re-enable Notification Center in Yosemite or El Capitan post-upgrade?
133015
Prominent Notification Areas in a Desktop Application