1. Administering Oracle Database Exadata Cloud at Customer (Gen 1/OCI-C)
  2. The dbaascli Utility
  3. dbaascli listener start

dbaascli listener start

The listener start subcommand of the dbaascli utility is used to start the listener.

Execute this command as the oracle user. 

dbaascli listener start --dbname dbname

In the above command, dbname specifies the name of the database whose listener you want to start.