Issue: sudo service opscenterd start Failed to start opscenterd.service: Unit opscenterd.service failed to load: No such file or directory. (ERROR)-(Exit Code 6)-(Unknown error code) sudo service opscenterd status opscenterd.service Loaded: not-found (Reason: No such file or directory) Active: inactive (dead) Config [webserver] port = 8888 interface = 0.0.0.0 I tried another port and ip (localhost) Cassandra installed and running (dsc21,