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.

tecmint - linux howtos, tutorials, guides, news, tips and tricks.

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.

github is where people build software. more than 100 million people use github to discover, fork, and contribute to over 420 million projects.

stack overflow | the world’s largest online community for developers

q&a for ubuntu users and developers

catonmat.net

news and feature lists of linux and bsd distributions.

a computer science portal for geeks. it contains well written, well thought and well explained computer science and programming articles, quizzes and practice/competitive programming/company interview questions.