[oracle@e9301596df8d bin]$ lsnrctl start
LSNRCTL for Linux: Version 19.0.0.0.0 - Production on 07-FEB-2023 13:33:55
Copyright (c) 1991, 2019, Oracle. All rights reserved.
TNS-01106: Listener using listener name LISTENER has already been started
[oracle@e9301596df8d bin]$ lsnrctl status
LSNRCTL for Linux: Version 19.0.0.0.0 - Production on 07-FEB-2023 13:34:04
Copyright (c) 1991, 2019, Oracle. All rights reserved.
Connecting to (DESCRIPTION=(ADDRESS=(PROTOCOL=IPC)(KEY=EXTPROC1)))
STATUS of the LISTENER
------------------------
Alias LISTENER
Version TNSLSNR for Linux: Version 19.0.0.0.0 - Production
Start Date 07-FEB-2023 13:07:55
Uptime 0 days 0 hr. 26 min. 8 sec
Trace Level off
Security ON: Local OS Authentication
SNMP OFF
Listener Parameter File /opt/oracle/product/19c/dbhome_1/network/admin/listener.ora
Listener Log File /opt/oracle/diag/tnsl
