HEATKEYS

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.

CentOS -- Community ENTerprise Operating System is a free rebuild of source packages freely available from a Prominent North American Enterprise Linux vendor.

Get Dedicated Server and Managed Server Hosting Services backed by 100% Network Uptime Guarantee & Fanatical support at Rackspace Hosting.

PHP IDE built solely on Free Open Source Software. Build your own Free PHP IDE using only Free Open Source Software or download a virtual appliance.

OpenLogic helps enterprises successfully and securely use open source software by providing open source support, governance, scanning, and provisioning solutions.

HowtoForge - Linux Howtos and Tutorials

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

We

Linux.com - For the community, by the community, Linux.com is the central source for Linux information, software, documentation, how-tos and answers across the server, desktop/netbook, mobile, and embedded areas.

Slicehost VPS tutorials and articles for the novice and experienced server admin. Have a secure VPS with iptables, server of your choice, database, PHP and Ruby on Rails in no time. More than that, you will understand what is happening and why it is...

Tecmint - Linux Howtos, Tutorials, Guides, News, Tips and Tricks.

GeekPeek.Net is a Linux How To blog! Learn Step-by-Step how to install, configure and manage Linux operating system and other open source software.