Destination Linux
DLN is a media network & community for Open Source & Linux enthusiasts.
Ubuntu Docs!
Linux.com
Linux.com is the go-to resource for open source professionals to learn about the latest in Linux and open source technology, careers, best practices, and industry trends. Get news, information, and tutorials to help advance your next project or career – or just to simply stay informed.
Linux Handbook
Linux Command Line, Server, DevOps and Cloud Learning
Linuxize | Linux Tips, Tricks and Tutorials
Linux.org
Friendly Linux Forum
Linux Journal
Ubuntu Free
Latest Ubuntu news, how-to tutorials, ubuntu games and the best apps to download for your Ubuntu system.
It's FOSS
With It's FOSS, you'll learn the latest news from the open source world. You'll also learn to use Linux effectively with top class tutorials and expert tips.
LiGNUx.com
Jupiter Broadcasting
Independent coverage of Linux, BSD, Open Source, System Administration, Information Security, News, Software Development and Discussion.
The Linux Documentation Project
The Linux Documentation Project is working towards developing free, high quality documentation for the Linux operating system. The overall goal of the LDP is to collaborate in all of the issues of Linux documentation.
Guía Ubuntu
MuyLinux
Web sobre Linux y todo tipo de desarrollos hardware y software con filosofía Open Source, de Software Libre y de Código Abierto