Links for CentOS (from del.icio.us )
www.centos.org - The Community ENTerprise Operating SystemInstalling PHP 5.2.x on RedHat ES5, CentOS 5, etc " Bluhalo ITHowTos/Subversion - CentOS WikiThe Perfect Server - CentOS 5.2 | HowtoForge - Linux Howtos and TutorialsEPEL - FedoraProjectAdditionalResources/Repositories/RPMForge - CentOS WikiCentOS-5 DocumentationYum Repository at Utter RamblingsCentralized Backup Server With Amanda On CentOS | HowtoForge - Linux Howtos and TutorialsHowTos/JavaOnCentOS - CentOS Wiki