Step 4 - Viewing Listener Configuration
Learn Oracle - Viewing Listener Configuration
The listener runs on your database server machine and brokers incoming client
requests. With Enterprise Manager, Oracle DBA can view the status of the listener, which is set
up for automatic startup whenever your server machine is restarted.
To view the status of the listener, navigate to the Enterprise Manager home page.
Under General, click Listener. The Listener: listener_name page appears. Under
General, note the listener status, which is either Up or Down.
This page also gives the listener version, its net address, and start time.
You can additionally view the listener status at the command line using