GNU/Linux Making and Starting Oracle 11g R2 Listener Guide
The Post Show Visually How to Create and Start a Listener on Oracle 11g R2 by the Oracle Net Configuration Assistant – Step by step Tutorial.
And the Process of Getting Started on Oracle 11g Database Involve Several Steps Necessaries to Run the Database and Creating and Starting a Listener is Prerequisite to Successfully Starting the Database.
Finally, the Screenshots of the Steps Involved are Inserted here to shows you Visually the process.

- Login as oracle User
su oracle
- Access Oracle 11g Installation Folder
cd $ORACLE_HOME/bin
Starting the Net Configuration Assistant
With./netca
In Case of Error Oracle Net Services configuration failed. The exit code is 1. See:
- Click on Next
- Click on Next
- Set Listener Name and Click on Next
- Click on Next
- Click on Next
- Click on Next
- You Should Find a Confirmation Notice on Terminal about Listener Creation and Start-Up
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How to Create a Database on Oracle 11g Database: