9092

kafka-consumer-groups --list --bootstrap-server localhost:9092

kafka-topics --list --bootstrap-server localhost:9092

2181
~/brew/etc/kafka/server.properties

brew services restart kafka 

See also

• Kafka, kafka-cluster -h, kafka-configs, kafka-features, kafka-topics, kafka-consumer-groups, kafka-storage, kafka-server-start, kafka-server-stop, kafka-reassign-partitions, kafka-topics, kafka-console-producer, Amazon MSK, Kafka Connect, 9092, server.properties, KRaft, Kafka changelog