Apache Geronimo 2.x is certified Java Enterprise Edition 5.0 container suitable for everything from a development environment to enterprise-level deployments. Geronimo leverages many Apache projects, such as Tomcat, OpenEJB, ActiveMQ, Derby. In this session discuss what is involved in administering Geronimo, the first steps in getting Geronimo ready for a production environment, show how the all powerful web based Geronimo console simplifies various tasks viz. a) Administering embedded Tomcat, ActiveMQ, Derby. b) Deploy/start/stop applications & other server components. c) Creating JMS Resources, Database pools, Security realms, etc. d) Installing plugins for Geronimo. e) Managing keys, digital certificates and configuring SSL. We also show how to run multiple server instances from the same installation. After attending the session the audience will gain good knowledge on administering Geronimo and be familiar with do's and dont's while using Geronimo.