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When you package your application you may include the deployment plan within the package or not. At deployment time, Geronimo will look for the geronimo-web.xml and web.xml deployment plans (or geronimo-application.xml or geronimo-application-client.xml depending the type of application) in the WEB-INF directory within you your packaged application. If Geronimo can not find those descriptors it will attempt to deploy the application using defaults. If using defaults fails you will have to provide a deployment plan either repackaged in the application or providing an external deployment plan, in the following sections we will discuss further these alternatives.

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In this section we has discussed three different methods for installing and uninstalling applications, one graphical, one command line and for the hot deployment you can choose command line or the GUI of your choice. You can visit the Tools and commands section as well for further details on the available options and parameters.

You can also deploy or undeploy application in Eclipse if you have Geronimo Eclipse Plugin (GEP) installed. See Deploying applications using GEP for details about deploying and undeploying applications with GEP.

While considering you are using multiple Geronimo servers as a cluster, you can deploy applications to them at one shot by using clustered deployment. For more information of this task, see Farming using Deployment for the details.
You can visit the Tools and commands section as well for further details on the available options and parameters.