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HowtoForge - Linux Howtos and Tutorials

Linux blog by Vivek - Includes news, help, tutorials, programming, tips and how-to guides for Linux, UNIX, and BSD.

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Tips for a Debian GNU/Linux System Administrator.

Provides Instruction Guides, How-Tos, Troubleshooting Tips and Tricks on Linux, Database, Hardware, Security, Web and Open Source for both Newbies and Geeks - TheGeekStuff by Ramesh Natarajan

Computer Help from your Friendly How-To Geek

IT Best Practices, How-tos, Product Reviews, discussions, articles for IT Professionals in small and medium businesses

coolest guides on the planet is a reference tutorial site for things including OSX, web, video

The simplest cloud hosting provider with hourly billing, 60 second cloud server creation, monthly flat rate and free bandwidth. Full support for any Linux OS and application stack. Hosting for PHP, RAILs, Django, and more.

Percona is the oldest and largest independent MySQL consulting company, with a global 24x7 staff of 40 people since 2006, providing consulting, support, training, and engineering services.

Oracle Documentation