1. 2009-11-15 [3] [CentOS-promo] LinuxTag lets change it centos-pr Geerd-Dietger 2. 2009-11-15 [3] [CentOS-promo] south tyrol free software conference 2 centos-pr Geerd-Dietger 3. 2009-11-15 [2] [CentOS-promo] CentOS CeBIT effort centos-pr Ralph Angenen 4. 2009-11-09 [6] [CentOS-promo] Germany Chemnitzer Linux-Tage 2010 - 1 centos-pr Geerd-Dietger