title: How to disable anonymous access to MongoDB 3.0.x in linux
body: <p>we are using centos 7 , mongodb 3.0.8 
  Im trying to disable anonymous access to mongodb.
  Place auth = true in /etc/mongod.conf disabling anonymous access in version 2.x
  but in version 3 when i place the same , the server it self not starting</p>
  
  <p>When i hard search , i found in the mongo docs that in version 3.x
  security.authorization should be placed in /etc/mongod.conf</p>
  
  <p>Could any one please help me how to place security.authorization in config file.</p>