Case Study: Scorfield working in support team and he need to check Listeners status when there is any disturbance and start/stop the listener at night when DBA’s are not available. Solution: Provide sudo access to user scorfield: [root@stagedb3 ~]# vi /etc/sudoers scorfield ALL=(oracle) NOPASSWD: /opt/oracle/product/11.2.0.1/bin/lsnrctl Check Listener Status: [scorfield@stagedb3 ~]$ sudo -i -u oracle /opt/oracle/product/11.2.0.1/bin/lsnrctl status [sudo] password for scorfield: LSNRCTL for Linux: Version 11.2.0.1.0 - Production on 08-AUG-2014 15:45:34 Copyright (c) 1991, 2009, Oracle. All rights reserved. Connecting to (ADDRESS=(PROTOCOL=tcp)(HOST=)(PORT=1521)) STATUS of the LISTENER ------------------------ Alias LISTENER Version TNSLSNR for Linux: Version 11.2.0.3.0 - Production Start Date 08-AUG-2014 11:27:13 Uptime 0 days 4 hr. 18 min. 20 sec Trace Level off Security ON: Local OS Authentication SNMP OFF Listener Parameter File /opt/oracle/product/11.2.0.3/network/admin/listener.ora Listener Log File /opt/oracle/diag/tnslsnr/stagedb3/listener/alert/log.xml Listening Endpoints Summary... (DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=stagedb3.ipx.com)(PORT=1521))) Services Summary... Service "ipxtest.ipx.com" has 1 instance(s). Instance "ipxtest", status READY, has 1 handler(s) for this service... The command completed successfully
Stop Listener: [scorfield@stagedb3 ~]$ sudo -i -u oracle /opt/oracle/product/11.2.0.1/bin/lsnrctl stop LSNRCTL for Linux: Version 11.2.0.1.0 - Production on 08-AUG-2014 15:45:51 Copyright (c) 1991, 2009, Oracle. All rights reserved. Connecting to (ADDRESS=(PROTOCOL=tcp)(HOST=)(PORT=1521)) The command completed successfully
[scorfield@stagedb3 ~]$ sudo -i -u oracle /opt/oracle/product/11.2.0.1/bin/lsnrctl status LSNRCTL for Linux: Version 11.2.0.1.0 - Production on 08-AUG-2014 15:46:05 Copyright (c) 1991, 2009, Oracle. All rights reserved. Connecting to (ADDRESS=(PROTOCOL=tcp)(HOST=)(PORT=1521)) TNS-12541: TNS:no listener TNS-12560: TNS:protocol adapter error TNS-00511: No listener Linux Error: 111: Connection refused
Start Listener: [scorfield@stagedb3 ~]$ sudo -i -u oracle /opt/oracle/product/11.2.0.1/bin/lsnrctl start LSNRCTL for Linux: Version 11.2.0.1.0 - Production on 08-AUG-2014 15:46:21 Copyright (c) 1991, 2009, Oracle. All rights reserved. Starting /opt/oracle/product/11.2.0.3/bin/tnslsnr: please wait... TNSLSNR for Linux: Version 11.2.0.3.0 - Production System parameter file is /opt/oracle/product/11.2.0.3/network/admin/listener.ora Log messages written to /opt/oracle/diag/tnslsnr/stagedb3/listener/alert/log.xml Listening on: (DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=stagedb3.ipx.com)(PORT=1521))) Connecting to (ADDRESS=(PROTOCOL=tcp)(HOST=)(PORT=1521)) STATUS of the LISTENER ------------------------ Alias LISTENER Version TNSLSNR for Linux: Version 11.2.0.3.0 - Production Start Date 08-AUG-2014 15:46:21 Uptime 0 days 0 hr. 0 min. 0 sec Trace Level off Security ON: Local OS Authentication SNMP OFF Listener Parameter File /opt/oracle/product/11.2.0.3/network/admin/listener.ora Listener Log File /opt/oracle/diag/tnslsnr/stagedb3/listener/alert/log.xml Listening Endpoints Summary... (DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=stagedb3.ipx.com)(PORT=1521))) The listener supports no services The command completed successfully [scorfield@stagedb3 ~]$ sudo -i -u oracle /opt/oracle/product/11.2.0.1/bin/lsnrctl status LSNRCTL for Linux: Version 11.2.0.1.0 - Production on 08-AUG-2014 15:47:06 Copyright (c) 1991, 2009, Oracle. All rights reserved. Connecting to (ADDRESS=(PROTOCOL=tcp)(HOST=)(PORT=1521)) STATUS of the LISTENER ------------------------ Alias LISTENER Version TNSLSNR for Linux: Version 11.2.0.3.0 - Production Start Date 08-AUG-2014 15:46:21 Uptime 0 days 0 hr. 0 min. 44 sec Trace Level off Security ON: Local OS Authentication SNMP OFF Listener Parameter File /opt/oracle/product/11.2.0.3/network/admin/listener.ora Listener Log File /opt/oracle/diag/tnslsnr/stagedb3/listener/alert/log.xml Listening Endpoints Summary... (DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=stagedb3.ipx.com)(PORT=1521))) Services Summary... Service "ipxtest.ipx.com" has 1 instance(s). Instance "ipxtest", status READY, has 1 handler(s) for this service... The command completed successfully |