Oracle Tips and Techniques

This step by step guide will show you how to create an Oracle Net listener using netca. This document should be used after you have installed the Oracle database software and created the custom database .This guide is part of the series titled “Installing Oracle Enterprise Manager Gird Control 11gR1. The series is a step by step tutorial of installing Oracle Enterprise Manager Grid Control 11gR1. The series is divided into the following tutorials

Install Oracle Enterprise Linux
Prepare Linux for Oracle 11gR2 installation.
Install Java SDK 6 update 18
Install Oracle 11gR2 database software
Create Oracle 11gR2 database
Configure Oracle Net for Oracle 11gR2 database
Install Oracle WebLogic Server 11gR1 (10.3.2)
Install Oracle Enterprise Manger 11g Grid Control

Hardware/Software:
DELL – Intel Core 2 Duo CPU
RAM: 2GB
Hard Disk: 147GB
OS: Oracle enterprise Linux 5.3.
Oracle validated rpms

Directory Structure:
ORACLE_BASE=/u01/app/oracle
ORACLE_HOME=/u01/app/oracle/product/11.2.0/db_1
ORACLE_SID=gdb

Pre-Requisites:

Before running through this tutorial make sure you have complete the following tasks:

1. Oracle Enterprise Linux 5.3 installed
2. Linux box prepared for Database installation. See here for details instructions
3. Java SDK 6 update 8 installed
4. Oracle Database 11g R2 software is installed.
5. Oracle Database gdb created.

Installation instructions and options:

Step/Screen Name	Action
1	Open X-Windows session to the server as oracle user
2	#cd /u01/app/oracle
3	#netca
The Network Configuration Assistant will now start. You will use the netca to create a Oracle Net Listener. For this excercise we will create a listener with default name i.e. LISTENER
Welcome	Click Next
Listener Configuration, Listener	Select “Add” and click Next
Listener Configuration, Listener Name	Click Next (or if you wish you can change the listener name)
Listener Configuration, Select Protocols	Select TCP and Click Next
Listener Configuration, TCP/IP Protocol	Click Next
Listener Configuration, Mosre Listeners ?	Select “No” and Click Next
Listener Configuration, Done	Click Next
Welcome	Click Finish
Your Oracle Net is now configured. The Listener name is LISTENER and it is listening on 1521.