Book Image

Learning Elastic Stack 7.0 - Second Edition

By : Pranav Shukla, Sharath Kumar M N
Book Image

Learning Elastic Stack 7.0 - Second Edition

By: Pranav Shukla, Sharath Kumar M N

Overview of this book

The Elastic Stack is a powerful combination of tools that help in performing distributed search, analytics, logging, and visualization of data. Elastic Stack 7.0 encompasses new features and capabilities that will enable you to find unique insights into analytics using these techniques. This book will give you a fundamental understanding of what the stack is all about, and guide you in using it efficiently to build powerful real-time data processing applications. The first few sections of the book will help you understand how to set up the stack by installing tools and exploring their basic configurations. You’ll then get up to speed with using Elasticsearch for distributed search and analytics, Logstash for logging, and Kibana for data visualization. As you work through the book, you will discover the technique of creating custom plugins using Kibana and Beats. This is followed by coverage of the Elastic X-Pack, a useful extension for effective security and monitoring. You’ll also find helpful tips on how to use Elastic Cloud and deploy Elastic Stack in production environments. By the end of this book, you’ll be well-versed with fundamental Elastic Stack functionalities and the role of each component in the stack to solve different data processing problems.
Table of Contents (17 chapters)
Free Chapter
Section 1: Introduction to Elastic Stack and Elasticsearch
Section 2: Analytics and Visualizing Data
Section 3: Elastic Stack Extensions
Section 4: Production and Server Infrastructure

Overview of Logstash plugins

Logstash has a rich collection of input, filter, codec, and output plugins. Plugins are available as self-contained packages called gems, and are hosted on By default, as part of the Logstash distribution, many common plugins are available out of the box. You can verify the list of plugins that are part of the current installation by executing the following command:

E:\logstash-7.0.0\bin>logstash-plugin list
By passing the --verbose flag to the preceding command, you can find out the version information of each plugin.

Using the --group flag, followed by either input, filter, output, or codec, you can find the list of installed input, filters, output, codecs, and plugins, respectively. For example:

E:\logstash-7.0.0\bin>logstash-plugin list --group filter

You can list all the plugins containing a name fragment by passing the name...