lsnrctl: "unknown command beginning "lsnrctl st..." - rest of line ignored.

• Article Type: General
• Product: Aleph
• Product Version: 21

Problem Symptoms:
lsnrctl command (stop, start, or status) results in message:
SP2-0734: unknown command beginning "lsnrctl st..." - rest of line ignored.

Cause:
Command was being entered as an SQL command.

Resolution:
Perform the command from the unix command line as the oracle user, that is, do "sudo su - oracle" or "su - oracle" and enter the command. Do *not* do sqlplus or "s+".