How to determine Kafka version using command-line utilities

Determine Kafka version using command-line utilities. Determine Kafka version by checking runtime class. $ /opt/kafka/kafka/bin/kafka-run-class.sh kafka.Kafka --version 2.8.0 (Commit:ebb1d6e21cc92130) Determine Kafka version by checking used library. $ ls /opt/kafka/kafka/libs/kafka_*.jar | sort -r | head -1 /opt/kafka/kafka/libs/kafka_2.13-2.8.0.jar It is Kafka 2.8.0 using Scala 2.13.