How To Start, Stop and Restart Oracle Listener

Display Oracle Listener Status

$ lsnrctl status

LSNRCTL for Linux: Version 11.1.0.6.0 - Production on 04-APR-2009 16:27:39

Copyright (c) 1991, 2007, Oracle. All rights reserved.

Connecting to (DESCRIPTION=(ADDRESS=(PROTOCOL=TCP)(HOST=192.168.1.2)(PORT=1521)))
TNS-12541: TNS:no listener
TNS-12560: TNS:protocol adapter error
TNS-00511: No listener
Linux Error: 111: Connection refused
Connecting to (DESCRIPTION=(ADDRESS=(PROTOCOL=IPC)(KEY=EXTPROC)))
TNS-12541: TNS:no listener
TNS-12560: TNS:protocol adapter error
TNS-00511: No listener
Linux Error: 2: No such file or directory



If the Oracle listener is running, you’ll get the following message.

$ lsnrctl status

LSNRCTL for Linux: Version 11.1.0.6.0 - Production on 04-APR-2009 16:27:02

Copyright (c) 1991, 2007, Oracle. All rights reserved.

Connecting to (DESCRIPTION=(ADDRESS=(PROTOCOL=TCP)(HOST=192.168.1.2)(PORT=1521)))
STATUS of the LISTENER
------------------------
Alias LISTENER
Version TNSLSNR for Linux: Version 11.1.0.6.0 - Production
Start Date 29-APR-2009 18:43:13
Uptime 6 days 21 hr. 43 min. 49 sec
Trace Level off
Security ON: Local OS Authentication
SNMP OFF
Listener Parameter File /u01/app/oracle/product/11.1.0/network/admin/listener.ora
Listener Log File /u01/app/oracle/diag/tnslsnr/devdb/listener/alert/log.xml
Listening Endpoints Summary...
(DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=192.168.1.2)(PORT=1521)))
(DESCRIPTION=(ADDRESS=(PROTOCOL=ipc)(KEY=EXTPROC)))
Services Summary...
Service "devdb" has 1 instance(s).
Instance "devdb", status UNKNOWN, has 1 handler(s) for this service...
Service "devdb.thegeekstuff.com" has 1 instance(s).
Instance "devdb", status READY, has 1 handler(s) for this service...
Service "devdbXDB.thegeekstuff.com" has 1 instance(s).
Instance "devdb", status READY, has 1 handler(s) for this service...
Service "devdb_XPT.thegeekstuff.com" has 1 instance(s).
Instance "devdb", status READY, has 1 handler(s) for this service...
The command completed successfully




Start Oracle Listener

$ lsnrctl start


Stop Oracle Listener

$ lsnrctl stop

Restart Oracle Listener

$ lsnrctl reload