anchor.diff:  |===
   |Redhat/GNU/Linux distributions
   |RPM (for install)
  -|Java 1.7 (or greater)
  +|Java 1.8 (or greater)
   |Hadoop 2.4+
   |Spark 1.5.x+
   |Apache NiFi 0.5+ (or Hortonworks DataFlow)
  
positive.code: |Platform|URL|Version
  
  |Hortonworks Sandbox|http://hortonworks.com/products/hortonworks-sandbox/| HDP 2.3, 2.4
  |===
  
  == Installation
  
  
negative.code:       # Add nifi and hdfs to that group:
        $ usermod -a -G supergroup nifi
        $ usermod -a -G supergroup hdfs
        Optional: If you want to perform actions as a root user in a development environment run the below command
        $ usermod -a -G supergroup root
  
  . Create a dropzone folder on the edge node for file ingest, for example:
  