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To install a new application via the Geronimo Administration Console the Install New Applications portlet is available by selecting Deploy New Deployer on the Console Navigation menu on the left hand side. This portlet also allows you to start automatically the application right after it was deployed.
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You can also deploy or undeploy applications in Karaf shell. See gogo commands in for Geronimo for detailed information about deploying and undeploying gogo commands.
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