Install byzanz by entering the following commands in the terminal:
sudo apt update sudo apt install byzanz
Description:
small screencast creator
Byzanz is a desktop recorder and command line tool allowing you to record your current desktop or parts of it to an animated GIF, Ogg Theora, Flash or WebM. This is especially useful for publishing on the web. . Byzanz also allows recording of audio, when the output format supports it.
Homepage: http://git.gnome.org/browse/byzanz/
Version: 0.3.0+git20160312-2
Section: universe/graphics