Intermediate

A fantastic collection of Linux tutorials and howtos. Mostly focused towards setup, administration covering a wide range of linux distros. For someone experimenting with distros, this is a treasure trove
unix-tutorials.com

HowtoForge offers a comprehensive collection of quick howtos about almost every topic on Linux. Besides setup and administration , covers a few good topics on programming  read more »

The opencourseware initiative started by MIT today has got a list of very useful learning content that students and institutes can leverage and perhaps contribute back. Link to the MIT opencourseware page
http://ocw.mit.edu/OcwWeb/web/courses/courses/index.htm#ElectricalEngine...

In 2007, a group of companies under the banner of Open Handset Alliance and led by Google announced Android a platform for smart phones. Though initially focused on smart phones and mobile devices, there are reports of Android being ported to Netbooks and EBooks. The motivation behind this course is captured here