Module 1:

This book was written using Elasticsearch version 2.0.0, and all the examples and functions should work with it. Using Oracle Java 1.7u55 and above is recommended for creating Elasticsearch clusters. In addition to this, you'll need a command that allows you to send HTTP requests, such as curl, which is available for most operating systems. In addition to this, this book covers all the examples using Python and Java.

For Java examples, you will need to have Java JDK (Java Development Kit) installed and an editor that will allow you to develop your code (or a Java IDE such as Eclipse). Apache Maven have been used to build Java codes.

For running Python examples, you will need Python 2.7 and above and also need to install Elasticsearch-Py, the official Python client for Elasticsearch.

In addition to this, some chapters may require additional software such as Elasticsearch plugins and other software but it has been explicitly mentioned when certain types of software are needed.

Module 2:

This book was written for Elasticsearch users and enthusiasts who are already familiar with the basics concepts of this great search server and want to extend their knowledge when it comes to Elasticsearch itself as well as topics such as how Apache Lucene or the JVM garbage collector works. In addition to that, readers who want to see how to improve their query relevancy and learn how to extend Elasticsearch with their own plugin may find this book interesting and useful.

If you are new to Elasticsearch and you are not familiar with basic concepts such as querying and data indexing, you may find it hard to use this book, as most of the chapters assume that you have this knowledge already. In such cases, we suggest that you look at our previous book about Elasticsearch— Elasticsearch Server, Second Edition, Packt Publishing.

Module 3:

You will need the following as a requisite for this module:

Unix Operating System (Any flavor)

Elasticsearch 1.5.2

Logstash 1.5.0

Kibana 4.0.2