Visually recording your activity on a PC desktop has always been a popular way of teaching people how to achieve something, and over the years there have been many screencasting software packages along the way. One of the simpler and nicest ones to create desktop tutorial videos on Ubuntu is Kazam Screencaster.
Kazam is a simple screen recording program that will capture the content of your screen and record a video file that can be played by any video player that supports VP8/WebM video format. Optionally you can also record sound from any sound input device that is supported and visible by PulseAudio.
Unfortunately Kazam is not in the default repositories, so you’ll have to first manually add in order to install. From a terminal:
sudo add-apt-repository ppa:kazam-team/stable-series sudo apt-get update sudo apt-get install kazam
Once installed, simply search for “Kazam” via Unity, launch the application, and then smile as you see just how easy it is to turn yourself into a professional desktop video tutorial producer! :)
Related Link: https://launchpad.net/kazam