Oracle Database 12c : Add Oracle Net Listener

Oracle Database 12c : Add Oracle Net Listener 2015/07/05

	Create Oracle Net Listener that is the network service on Oracle.
[1]	Login with the oracle admin user and input a command "netca" like follows.

[oracle@dlp ~]$ netca

[2]	Check a box "Listener Configuration" and go next.

[3]

Go next.

[4]	Set Listner's name. Input any one you like.

[5]	This example goes next with keeping default "TCP".

[6]	Set a port. This example goes next with keeping default.

[7]	If you'd like to create more Listeners, Answer "Yes". This example selects "No".

[8]	Configuration completed.

[9]	After creating Listener, tnslsnr listens on the port you configured like follows.

[oracle@dlp ~]$  ss -napt  State Recv-Q Send-Q Local Address:Port Peer Address:Port LISTEN 0 128 *:22 *:* LISTEN 0 128 127.0.0.1:631 *:* LISTEN 0 100 127.0.0.1:25 *:* ESTAB 0 52 10.0.0.30:22 10.0.0.5:50113 LISTEN 0 128 :::1521 :::* users:(("tnslsnr",3988,9)) LISTEN 0 128 :::22 :::* LISTEN 0 128 ::1:631 :::* LISTEN 0 100 ::1:25 :::* [oracle@dlp ~]$  tnsping localhost  TNS Ping Utility for Linux: Version 12.1.0.2.0 - Production on 04-JUL-2015 01:03:07 Copyright (c) 1997, 2014, Oracle. All rights reserved. Used parameter files: Used HOSTNAME adapter to resolve the alias Attempting to contact (DESCRIPTION=(CONNECT_DATA=(SERVICE_NAME=))(ADDRESS=(PROTOCOL=TCP)(HOST=127.0.0.1) (PORT=1521))) OK (0 msec)