Create a Listener with NETMGR within Oracle 12.2

Based on friend request, this articles describes the steps to create a Listener with the Oracle Network Manager tool “netmgr” within Oracle Database 12r2 on Oracle Linux 8.

• Name: LISTENER

• Port: 1521

Step 1: execute the netmgr tool.

$ /u01/app/oracle/product/12.2.0/dbhome_1/bin/netmgr

Step 2: Select Listener, then Add Address:

Note: Choose the Name of the Lsitener.

Step 3: Go to File and Save configuration:

Step 4: After Saving the configuration, start the listener:

$ lsnrctl start
LSNRCTL for Linux: Version 12.2.0.1.0 - Production on 28-SEP-2020 09:03:34
 Copyright (c) 1991, 2016, Oracle.  All rights reserved.
 Starting /u01/app/oracle/product/12.2.0/dbhome_1/bin/tnslsnr: please wait…
 TNSLSNR for Linux: Version 12.2.0.1.0 - Production
 System parameter file is /u01/app/oracle/product/12.2.0/dbhome_1/network/admin/listener.ora
 Log messages written to /u01/app/oracle/diag/tnslsnr/host01/listener/alert/log.xml
 Listening on: (DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=host01.wadhahdaouehi.tn)(PORT=1521)))
 Connecting to (DESCRIPTION=(ADDRESS=(PROTOCOL=TCP)(HOST=host01.wadhahdaouehi.tn)(PORT=1521)))
 STATUS of the LISTENER
 Alias                     LISTENER
 Version                   TNSLSNR for Linux: Version 12.2.0.1.0 - Production
 Start Date                28-SEP-2020 09:03:34
 Uptime                    0 days 0 hr. 0 min. 0 sec
 Trace Level               off
 Security                  ON: Local OS Authentication
 SNMP                      OFF
 Listener Parameter File   /u01/app/oracle/product/12.2.0/dbhome_1/network/admin/listener.ora
 Listener Log File         /u01/app/oracle/diag/tnslsnr/host01/listener/alert/log.xml
 Listening Endpoints Summary…
   (DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=host01.wadhahdaouehi.tn)(PORT=1521)))
 The listener supports no services
 The command completed successfully

Enjoy !!