What you need for this book

The following pieces of software are required:

• Oracle Java 1.8u20+
• Elasticsearch v1.4.4+
• A modern web browser—IE 10+, Firefox, Chrome, Safari, and so on
• Kibana v 4.1.1
• Git for Windows
• npm, Node.js, and elasticsearchdump for importing data in Elasticsearch
• Logstash v1.5.4

All of the software mentioned in this book is free of charge and can be downloaded from the Internet.