Getting Started: Installing, configuring, and running a simple application using Geronimo.- Geronimo Architecture: Description of the MBean kernel service architecture of Geronimo - internals.- Developing and Deploying Web Applications: Developing, packaging, and deploying web application with Geronimo.- Developing and Deploying EJBs: Developing, packaging, and deploying EJBs.- Messaging with Geronimo: Developing, and deploying JMS applications with Geronimo.- Geronimo Security and Transaction: Explores the security and transaction capabilities of Geronimo.- J2EE Connectors: Developing, using, packaging, and deploying J2EE connectors.- Web Services and J2EE client applications: Developing, packaging and deploying web services and J2EE client applications with Geronimo.- Extending Geronimo: Developing and configuring GBeans to extend Geronimo - internals.