Configuring a LISTEN processe

As the last step of the database configuration, a listen process must be configured via the Oracle Net Configuration Assistant :

1. Start the Oracle Net Configuration Assistant with the netca command.The Oracle Net Configuration Assistant appears with its Welcome window.
2. Select Listener Configuration and click Next .The Listener Configuration, Listener window appears.
3. Ensure that the Add option is selected and click Next .
4. In the Listener Configuration, Listener Name window Click Next without any modifications.
5. In the Listener Configuration, Select Protocol window select the TCP protocol in the Available Protocols list box and move it to the right to the Selected Protocols box.
6. Click Next .
7. In the Listener Configuration, TCP/IP Protocol window ensure that the Use the standard port number of 1521 option is selected and click Next .
8. In the Listener Configuration, More Listeners? window click Next without any modifications.
9. In the Listener Configuration Done window click Next without any modifications.
10. In the reappearing Welcome window select this time the Local Net Service Name Configuration option and click Next .
11. In the Net Service Name Configuration window ensure that the Add option is selected and click Next .
12. In the Net Service Name Configuration, Service Name window enter the name for the service into the Service Name box, for example DBBCM and click Next .
13. In the Net Service Name Configuration, Select Protocols window select TCP and click Next .
14. In the Net Service Name Configuration, TCP/IP Protocol window enter the name of the computer on which the database is located, either as its short or long network name or its IP address.
15. Ensure that the Use the standard port number of 1521 is selected and click Next .
16. In the Net Service Name Configuration, Test window select Yes, perform a test and click Next .
17. If the test failed due to wrong credentials click Change Login in the Net Service Name Configuration, Connecting window.
18. In the Change Login window enter a valid login and password, one of those that are defined in the Database Credentials step of the database procedure. By default the SYSTEM account and password are used.
19. Click OK to close the window.
20. In the Net Service Name Configuration, Connecting window click Next .
21. In the Net Service Name Configuration, Net Service Name window enter a name for the net service, for example bcmdb , and click Next .
22. In the Net Service Name Configuration, Another Net Service Name? window leave No selected and click Next .
23. In the Net Service Name Configuration Done window click Next .
24. In the reappearing Welcome window click Finish to terminate the wizard.

The database is now set up and configured for use with the BMC Client Management agent. However, before you can install the CM master on this computer, you need to ensure that the prerequisites that are listed in topic Creating a database on Oracle versions 10g, 11g or 12c for Windows or Oracle versions 10g, 11g or 12c prerequisites for Linux are fulfilled.

You can find more installation related information under http://oracle-base.com/articles/12c/oracle-db-12cr1-installation-on-oracle-linux-6.php .