YoLinux - An incredible compendium of Linux-related sites and information.
Linux Home Page - Good jumping-off spot to many Linux-related sites.
LinuxHQ - Latest Linux news, links to HOWTOs and new kernel info.
Freshmeat - Latest and greatest Linux freeware apps. Updated daily.
FatPenguin Consulting - Linux consultants serving the eastern San Fernando Valley
Simi-Conejo Linux Users' Group
My IPTables Firewall Scripts