Learning
This is a quick page with links to educational material that I’ve found useful.
Cryptography
Video: Theory and Practice of Cryptography by googletalks 55mins long
ZFS
Blog: welcome to ZFS, contains a whole bunch of links to things to help you get familiar with ZFS, whether your concerned with Administration, Reliability or Performance
Languages
Website: Learning the Arabic language with plenty of audio examples
Website: Bonjour! French with audio examples of common phrases, very useful for getting around Paris!
IPS compared to apt-get
Website: Comparing what commands to use from IPS to apt-get
PERL
Website/youtube clone: A lecture about PERL and what you can do with it
Arabic
The entire series of al arabiya bayna yadayk!!
You should add this website – http://www.learn-how-to-speak-arabic.com – to your list too. I like the site you added there as your Arabic learning recomendation, but I personally think this one is better. WDYT?