Record a screen video on ubuntu 12

Always an questions of how to create a video of a application running on linux ubuntu.
I gather some info of tools available, and the cookbook is:

• install software packages

sudo apt-get install openshot openshot-doc
sudo apt-get install mencoder
sudo apt-get install dvgrab ffmpeg2theora oggfwd

sudo add-apt-repository ppa:sunab/kdenlive-release && sudo apt-get update && sudo apt-get install kdenlive

sudo apt-get install recordmydesktop

• start key mon

key-mon --visible_click

• save desktop moviewith recordmydesktop
• put title on movie

 mencoder video.avi -o videoOUT.avi -ovc lavc -lavcopts vcodec=mjpeg -sub titlevideo.srt -utf8 -subalign 0 -subfont-autoscale 0 -subfont-text-scale 32 -oac copy -audiofile matrix.mp3 -font 'Bitstream Vera Sans:style=Bold'

•  SRT format

titlevideo.srt

1
00:00:00,000 --> 00:00:22,000
bla bla1

2
00:00:25,000 --> 00:00:44,000
bla bla2