LA Chef for OpenStack Hackday
Chef for OpenStack December 2012
Chef for OpenStack: OpenStack Spring Summit 2013
Boston/NYC Chef for OpenStack Hack Days
Oper
Opscode Lightning Talk - Operations as Code
Aaron pederson of ops code gives cloudcamp denver lightning talk
Data driven app deploys with chef frontdev
Chef in the cloud [dbccg]
Cooking security sans@night
Mwrc2011 cookbook design patterns