How do I reduce the size of my listener log?
1. you need to set listener log status off
2. Then move current listener.log file as listener.log.old
3. Create another new log file for listener
4. And finally sett listener log status on
Find your listener.log file
and follow below steps ...
lsnrctl set log_status off
mv listener.log listener.old
touch listener.log
lsnrctl set log_status on
Comment below if you need any help.