HEATKEYS

Benchmark and burn in test software to evaluate the performance of your PC computer hardware. USB serial and parallel loop back plugs. Video, disk, battery and modem performance and reliability testing. We also provide quality software customization ...

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.

Phoronix is the leading technology website for Linux hardware reviews, open-source news, Linux benchmarks, open-source benchmarks, distribution screenshots, interviews, and computer hardware tests.

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

Linux Information Portal YoLinux includes informative tutorials and links to many Linux sites. Covers Linux topics from desktop to servers and from developers to users

A help and support forum for Ubuntu Linux.

Computer Glossary, Computer Terms – Technology Definitions and Cheat Sheets from Whatis.com – The Tech Dictionary and IT Encyclopedia

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