Book Image

Splunk 7 Essentials - Third Edition

By : J-P Contreras, Steven Koelpin, Erickson Delgado, Betsy Page Sigman
Book Image

Splunk 7 Essentials - Third Edition

By: J-P Contreras, Steven Koelpin, Erickson Delgado, Betsy Page Sigman

Overview of this book

Splunk is a search, reporting, and analytics software platform for machine data, which has an ever-growing market adoption rate. More organizations than ever are adopting Splunk to make informed decisions in areas such as IT operations, information security, and the Internet of Things. The first two chapters of the book will get you started with a simple Splunk installation and set up of a sample machine data generator, called Eventgen. After this, you will learn to create various reports, dashboards, and alerts. You will also explore Splunk's Pivot functionality to model data for business users. You will then have the opportunity to test-drive Splunk's powerful HTTP Event Collector. After covering the core Splunk functionality, you'll be provided with some real-world best practices for using Splunk, and information on how to build upon what you've learned in this book. Throughout the book, there will be additional comments and best practice recommendations from a member of the SplunkTrust Community, called "Tips from the Fez".
Table of Contents (10 chapters)

Creating indexes

Indexes are where Splunk Enterprise stores all the data it has processed. It is essentially a collection of databases that are, by default, located at $SPLUNK_HOME/var/lib/splunk. Before data can be searched, it needs to be indexed—a process we describe here.

Tip from the Fez: There are a variety of intricate settings which can be manipulated to control size and data management aspects of an index. We will not cover those in this book, however as your situation requires complexity, be sure to consider a variety of topics around index management, such as overall size, buckets parameters, archiving and other optimization settings.

There are two ways to create an index, through the Splunk user interface or by creating an indexes.conf file. You will be shown here how to create an index using the Splunk portal, but you should realize that when you do that...