Friday, April 3, 2009

Managing Listeners

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.

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