Screen capture (video) for demo purpose in Linux world:
gtk-recordMyDesktop
You can launch GUI and use it.
If you are not interested in sound, use ( in cli mode):
# recordmydesktop --no-sound
When you want to stop recording using
By default, it records in ogv format. You can directly upload this video to youtube.
I faced some issues and it creates log file in home directory namely, gtk-recordMyDesktop-crash.log
Check it out for troubleshooting.
If you wish to cut portion of video, you can make use of ffmpeg.
ffmpeg -i in.ogv -ss 00:01:05.0 -c copy -t 00:00:5.0 out.ogv
-ss -> start time
-t -> duration
This cuts video from 1 hour 5 mins of time duration 5 minutes.
time format hh:mins:secs
