Hi,
I will explain How to set LOCAL_LISTENER Parameter in Oracle using alter system set command in this post.
LOCAL_LISTENER Parameter in Oracle
Oracle database has two listener as follows.
- Local Listener
- Remote Listener
You can connect to database via Listeners if you connect from remote client.
If you are using the Single Instance Oracle database, then you are using the local listener.
ALTER SYSTEM SET LOCAL_LISTENER
You can set the local listener parameter as follows.
Syntax:
ALTER SYSTEM SET LOCAL_LISTENER=["]listener_address["][,...];
ALTER SYSTEM SET LOCAL_LISTENER='(ADDRESS=(PROTOCOl=TCP)(HOST=HOSTNAME/IP_ADRESS)(PORT=1521))' SCOPE=BOTH;
ALTER SYSTEM SET LOCAL_LISTENER='(ADDRESS=(PROTOCOl=TCP)(HOST=192.168.63.34)(PORT=1521))' SCOPE=BOTH;
I have set the local listener parameter as follows.
[MSDBA]/u01/app/oracle/product/19.0.0/dbhome_1/network/admin $ sqldba SQL*Plus: Release 19.0.0.0.0 - Production on Fri Oct 30 20:12:04 2020 Version 19.8.0.0.0 Copyright (c) 1982, 2019, Oracle. All rights reserved. Connected to: Oracle Database 19c Enterprise Edition Release 19.0.0.0.0 - Production Version 19.8.0.0.0 SQL> ALTER SYSTEM SET LOCAL_LISTENER='(ADDRESS=(PROTOCOl=TCP)(HOST=192.168.63.34)(PORT=1521))' SCOPE=BOTH; System altered. SQL> SQL> show parameter local NAME TYPE VALUE ------------------------------------ ----------- ------------------------------ local_listener string (ADDRESS=(PROTOCOl=TCP)(HOST=1 92.168.63.34)(PORT=1521)) parallel_force_local boolean FALSE SQL>
alter system register
Once you set the local listener, don’t forget running of register command as follows.
SQL> alter system register; System altered.
Lsnrctl Status / Lsnrctl start / stop
You can also create a static listener and start it as follows.
Add the following listener descriptions to the listener.ora file under $ORACLE_HOME/network/admin.
Check your Hostname, Port, DB Name and fill them correctly.
LISTENER = (DESCRIPTION_LIST = (DESCRIPTION = (ADDRESS = (PROTOCOL = TCP)(HOST = 192.168.63.34)(PORT = 1521)) (ADDRESS = (PROTOCOL = IPC)(KEY = EXTPROC1521)) ) ) SID_LIST_LISTENER = (SID_LIST = (SID_DESC = (GLOBAL_DBNAME = MSDBA) (ORACLE_HOME = /u01/app/oracle/product/19.0.0/dbhome_1 ) (SID_NAME = MSDBA ) ) )
[oracle@msdbadm01 ~]$ lsnrctl start LISTENER
Check listener status as follows, it is listening the Database and its service as follows.
[oracle@msdbadm01 ~]$ lsnrctl status LSNRCTL for Linux: Version 18.0.0.0.0 - Production on 28-APR-2020 15:44:29 Copyright (c) 1991, 2019, Oracle. All rights reserved. Connecting to (ADDRESS=(PROTOCOL=tcp)(HOST=)(PORT=1521)) STATUS of the LISTENER ------------------------ Alias LISTENER Version TNSLSNR for Linux: Version 18.0.0.0.0 - Production Start Date 25-MAR-2020 20:34:20 Uptime 33 days 19 hr. 10 min. 8 sec Trace Level off Security ON: Local OS Authentication SNMP OFF Listener Parameter File /u01/grid/network/admin/listener.ora Listener Log File /u01/app/grid/diag/tnslsnr/vfxidb01/listener/alert/log.xml Listening Endpoints Summary... (DESCRIPTION=(ADDRESS=(PROTOCOL=ipc)(KEY=LISTENER))) (DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=192.168.63.34)(PORT=1521))) Services Summary... Service "+APX" has 1 instance(s). Instance "+APX1", status READY, has 1 handler(s) for this service... Service "+ASM" has 1 instance(s). Instance "+ASM1", status READY, has 1 handler(s) for this service... Service "+ASM_DATA" has 1 instance(s). Instance "+ASM1", status READY, has 1 handler(s) for this service... Service "+ASM_RECO" has 1 instance(s). Instance "+ASM1", status READY, has 1 handler(s) for this service... Service "MSDB" has 1 instance(s). Instance "MSDB1", status READY, has 1 handler(s) for this service... Service "MSDBXDB" has 1 instance(s). Instance "MSDB1", status READY, has 1 handler(s) for this service... [oracle@msdbadm01 ~]$
Do you want to learn Oracle Database for Beginners, then read the following articles.
Oracle Tutorial | Oracle Database Tutorials for Beginners ( Junior Oracle DBA )