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Donald K. Burleson

Oracle Utilities Tips

Managing Listeners with lsnrctl


$ lsnrctl


LSNRCTL for Solaris: Version - Production on 30-JAN-2003 11:54:13


(c) Copyright 1998 Oracle Corporation.  All rights reserved.


Welcome to LSNRCTL, type "help" for information.



The following operations are available

An asterisk (*) denotes a modifier or extended command:


start               stop                status

services            version             reload

save_config         trace               spawn

dbsnmp_start        dbsnmp_stop         dbsnmp_status

change_password     quit                exit

set*                show*


The following commands are used to manage the listener: 

·     start – Starts the listener with the name specified, otherwise LISTENER will be used.  For Windows systems, the listener can also be started from the Control Panel.

·     stop – Stops the listener.  For Windows systems, the listener can also be stopped from the Control Panel.

·     status – Provides status information about the listener, including start date, uptime, and trace level.

·     services – Displays each service available, along with the connection history.

·     version – Displays the version information of the listener.

·     reload – Forces a read of the configuration file in order for new settings to take effect without stopping and starting the listener.

·     save_config – Creates a backup of the existing listener.ora file and saves changes to the current version.

·     trace – Sets the trace level to one of the following – OFF, USER, ADMIN, or SUPPORT.

·     spawn – Spawns a program that runs with an alias in the listener.ora file.

·     dbsnmp_start – Starts the DBSNMP subagent.

·     dbsnmp_stop – Stops the DBSNMP subagent.

·     dbsnmp_status – Displays the status of the DBSNMP subagent.

·     change_password – Sets a new password for the listener.

·     quit and exit – Exits the utility.

·     set – Changes the value of any parameter.  Everything that can be shown can be set.

show – Displays current parameter settings.


To learn more about these techniques, see the book "Advanced Oracle Utilities: The Definitive Reference". 

You can buy it directly from the publisher and get instant access to the code depot of utilities scripts.



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