title: How to set group name when consuming messages in kafka using command line?
body: <p>Any idea how to set group name when consuming messages in kafka using command line.</p>
  
  <p>I tried with the following command :</p>
  
  <pre><code>bin/kafka-console-consumer.sh --zookeeper localhost:2181 --topic nil_RF2_P2 --from-beginning --config group.id=test1
  'config' is not a recognized option
  </code></pre>
  
  <p>The goal is to find the offset of consumed messages with the following command:</p>
  
  <pre><code>bin/kafka-run-class.sh kafka.tools.ConsumerOffsetChecker --zookeeper localhost:2181 --group test1
  </code></pre>
  
  <p>Can somebody help in this regards!! </p>
  
  <p>Thanks in advance !!</p>