CentOS

CentOS 4 - General Support
General support questions including new installations

CentOS 4 - Software Support
Issues related to software problems

CentOS 4 - Hardware Support
Issues related to hardware problems

CentOS 4 - Networking Support
Issues related to configuring your network

CentOS 4 - Server Support
Installing, Configuring, Troubleshooting server daemons such as Web and Mail

CentOS 4 - Security Support
Support for security such as Firewalls and securing linux

CentOS 4 - Webhosting Support
Support for webhosts that use CentOS

CentOS 4 - X86_64,s390(x) and PowerPC Support
Support for the other architectures (X86_64, s390(x) and PowerPC)

CentOS 4 - Oracle Installation and Support
Installation and support for Oracle DB on CentOS.

CentOS 4 - Miscellaneous Questions
If it doesn't fit in another category, ask it here.