I am on Ubuntu 10.04
I installed gtk-recordmydesktop and recorded the screen. I could not record the audio though.
I followed this link :
http://ubuntuforums.org/showthread.php?t=1428157&page=2
I set my
- Sound preferences > Hardware
- SetProfile = Analog Stereo Output
- (it was earlier Analog stereo duplex)
It Works!