title: How to start and stop redis service with authentication?
body: <p>I've set a password for my Redis server and when I try to restart the Redis server with sudo service redis_6379 restart then I get the following error message:</p>
  
  <p>NOAUTH Authentication required.</p>
  
  <p>How can I pass my password through the restart command?</p>
  
  <p>The Redis version is 3.0.3.</p>