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Lab - using the JBoss CLI
A JBoss EAP configuration is persisted in XML configuration files. JBoss provides various tools to interact with this configuration:
- You can manually edit the XML file (not the recommended option)
- Alternatively, you can use the web console to update JBoss configuration
- JBoss Command Line Interface tool or CLI for short
- DMR API: Dynamic Model Representation API is a REST API to access JBoss CLI commands
DMR is the JBoss configuration internal representation; it is a flat XML syntax where all the settings appear at the same level.
The CLI allows you to manage and configure EAP instances or domains remotely from a command line, including writing scripts for repetitive tasks.
You can connect to the domain administration console using the CLI:
bin$ ./jboss-cli.sh --connect --controller=127.0.0.1:9999
[domain@127.0.0.1:9999 /]
The --controller option specifies the IP and port to access the domain controller. Use the read-resource command to inspect configuration objects. Here, we display details of the main-server-group server group with the read-resource command:
[domain@127.0.0.1:9999 /] /server-group=main-server-group:read-resource
{
"outcome" => "success",
"result" => {
"management-subsystem-endpoint" => false,
"profile" => "full",
"socket-binding-default-interface" => undefined,
"socket-binding-group" => "full-sockets",
"socket-binding-port-offset" => 0,
"deployment" => undefined,
"deployment-overlay" => undefined,
"jvm" => {"default" => undefined},
"system-property" => undefined
}
}
[domain@127.0.0.1:9999 /]