The lsnrctl utility manages the Oracle listener processes.
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 and stopped from the Control Panel.
stop – Stops the listener. For Windows systems, the listener can also be started and 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.
