Install xwrited by entering the following commands in the terminal:
sudo apt update sudo apt install xwrited
Description:
display write and wall messages as desktop notifications
The xwrited utility displays write(1) and wall(1) messages as desktop notifications. A notification daemon compliant to the freedesktop.org Desktop Notification Specification draft needs to be running in order to display the notifications. . This utility is useful e.g. to send (forward) broadcast (wall) messages to all users from cronjobs or system daemons. . The xwrited daemon is automatically started for each new X session after the installation of this package.
Homepage: https://code.guido-berhoerster.org/projects/xwrited/
Version: 2-1build1
Section: universe/x11