How can I check whether the Oracle listener is started?
1. Log in to the SUSE Linux as user oracle.
2. On the command line interface (CLI), run the following command to view the state of the Oracle listener:
$ lsnrctl status esightlistener
The following information is displayed indicates that the Oracle database listener is already started.
STATUS of the LISTENER
Version TNSLSNR for Linux IA64: Version 10.2.0.3.0 - Production
Start Date 23-MAR-2009 10:16:36If the listener is not restarted, run the following command on the CLI to start the listener:
$ lsnrctl start esightlistener
The command for stopping the listener is $ lsnrctl stop esightlistener.