anchor.diff:  data, such as logs or decoded network packets.
   
   The binary packages of Elasticsearch have only one dependency: Java. The minimum
  -supported version is Java 7. To download and install
  +supported version is Java 8. To download and install
   Elasticsearch, use the commands that work with your system
   (<<deb, deb>> for Debian/Ubuntu, <<rpm, rpm>> for Redhat/Centos/Fedora, <<mac,
   mac>> for OS X, and <<win, win>> for Windows):
  
positive.code: 
  ["source","sh",subs="attributes,callouts"]
  ----------------------------------------------------------------------
  sudo apt-get install openjdk-7-jre
  curl -L -O https://download.elasticsearch.org/elasticsearch/release/org/elasticsearch/distribution/deb/elasticsearch/{ES-version}/elasticsearch-{ES-version}.deb
  sudo dpkg -i elasticsearch-{ES-version}.deb
  sudo /etc/init.d/elasticsearch start
  
negative.code: 
  ["source","sh",subs="attributes,callouts"]
  ----------------------------------------------------------------------
  sudo yum install java-1.8.0-openjdk
  curl -L -O https://download.elastic.co/logstash/logstash/packages/centos/logstash-{LS-version}.noarch.rpm
  sudo rpm -i logstash-{LS-version}.noarch.rpm
  ----------------------------------------------------------------------
  