LinuxCon 2012 kicked off in San Diego on Tuesday, Aug. 28 with the Linux Kernel Summit. Tuesday night, conference attendees gathered for CloudStack's rooftop party in downtown San Diego. And LinuxCon and CloudOpen began in full force Wednesday morning with keynotes from Linux Foundation Executive Director Jim Zemlin, HP Vice President and Chief Technologist Kirk Bresniker and a panel on defining the open cloud. Photo credit: Kenny Moy for The Linux Foundation.