title: How to add a znode to zookeeper and modify it by command?
body: <p>I used zookeeper for solrCloud.I want to add and modify the Znode, so i try to use the commands below. But it did not work. Can someone tell me how to use the cmd?</p>
  
  <p>try to add:
  <a href="http://i.stack.imgur.com/AcPwO.png" rel="nofollow">try to add:</a></p>
  
  <p>and this is the result:
  <a href="http://i.stack.imgur.com/xCgQi.png" rel="nofollow">and this is the result:</a></p>