Install gnome-flashback by entering the following commands in the terminal:
sudo apt update sudo apt install gnome-flashback
Description:
helper application for the GNOME Flashback session
This package provides a helper application for the GNOME Flashback desktop session. This application: - provides the Logout, Reboot and Shutdown dialogs; - provides the Sound, Bluetooth and Power tray applets; - implements screenshot and screencast functionality; - implements input source switching functionality; - draws desktop background; - implements other functionality which was previously handled by gnome-settings-daemon.
Homepage: https://wiki.gnome.org/Projects/GnomeFlashback
Version: 3.28.0-1ubuntu1
Section: universe/gnome