EarthWeb's opensource event:
EarthWeb's Bazaar is the foremost educational event in the free and
open source software world. The Bazaar is a truly unique event in
that it brings together the corporate, academic, and research
computing worlds to provide an intensive hands-on training
experience. The attendee will receive a comprehensive understanding
of all open source and the "how to" knowledge required to run
critical Linux, Apache, and other open source products in their own
environment.
http://thebazaar.org
Southern California Linux Expo:
The Southern California Linux Expo at the Davidson Conference Center
on the University of Southern California campus will bring together
Linux and Open Source Software companies, developers, and users.
Sponsored by The USC, Simi/Conejo, & UCLA Linux User Groups.
http://www.socallinuxexpo.com