Best Linux shows on the web: Jupiter Broadcasting
Jupiter Broadcasting is one of the best resources on the web for information about all things Linux, and then some. We support them, and you should too!
Learn all about the Linux Kernel at Kernel Newbies
Linux Distribution Site: Distro Watch
Defending your web rights: Electronic Frontier Foundation
SSD Cloud Server: Digital Ocean
Guide to Linux Shell Scripting: Tutorial
Run your own local cloud server: ownCloud
PHPMyAdmin Tricks and Setup: Tutorial
Ubuntu Linux Toolbox is a great reference for any Ubuntu based distribution, like Linux Mint. We use and recommend this book as a must have in your library. Available at Amazon.com
Like to build stuff?
Try Open Source for all kinds of neat projects!
Also head over to Raspberry Pi for even more cool projects!