Install mate-notification-daemon by entering the following commands in the terminal:
sudo apt update sudo apt install mate-notification-daemon
Description:
daemon to display passive popup notifications
mate-notification-daemon displays passive popup notifications, as per the Desktop Notifications Specification. . The Desktop Notifications Specification provides a standard way of doing passive popup notifications on the Linux desktop. These are designed to notify the user of something without interrupting their work with a dialog box that they must close. Passive popups can automatically disappear after a short period of time, as per the Desktop Notifications spec.
Homepage: http://www.mate-desktop.org/
Version: 1.20.0-2
Section: universe/x11