As oracle user, when I tried to start the listener using lsnrctl start command, I get the below messages:
[oracle@orahow ~]$ lsnrctl start
LSNRCTL for Linux: Version 11.2.0.3.0 - Production on 25-MAR-2017 08:24:46
Copyright (c) 1991, 2011, Oracle. All rights reserved.
Starting /data/oracle/app/product/11.2.0.3/dbhome_1/bin/tnslsnr:...
