TNS-12555: TNS: permission denied
ERROR
TNS-12555: TNS:permission denied
Solution
Check the whether the .oracle directory exists in /var/tmp, if no then , create and grant it as follows.
mkdir /var/tmp/.oracle chmod 01777 /var/tmp/.oracle chown root /var/tmp/.oracle chgrp root /var/tmp/.oracle
then start listener again
$ lsnrctl status listener