Book Image

Splunk 9.x Enterprise Certified Admin Guide

By : Srikanth Yarlagadda
Book Image

Splunk 9.x Enterprise Certified Admin Guide

By: Srikanth Yarlagadda

Overview of this book

The IT sector's appetite for Splunk and skilled Splunk developers continues to surge, offering more opportunities for developers with each passing decade. If you want to enhance your career as a Splunk Enterprise administrator, then Splunk 9.x Enterprise Certified Admin Guide will not only aid you in excelling on your exam but also pave the way for a successful career. You’ll begin with an overview of Splunk Enterprise, including installation, license management, user management, and forwarder management. Additionally, you’ll delve into indexes management, including the creation and management of indexes used to store data in Splunk. You’ll also uncover config files, which are used to configure various settings and components in Splunk. As you advance, you’ll explore data administration, including data inputs, which are used to collect data from various sources, such as log files, network protocols (TCP/UDP), APIs, and agentless inputs (HEC). You’ll also discover search-time and index-time field extraction, used to create reports and visualizations, and help make the data in Splunk more searchable and accessible. The self-assessment questions and answers at the end of each chapter will help you gauge your understanding. By the end of this book, you’ll be well versed in all the topics required to pass the Splunk Enterprise Admin exam and use Splunk features effectively.
Table of Contents (17 chapters)
1
Part 1: Splunk System Administration
9
Part 2:Splunk Data Administration
14
Chapter 12: Self-Assessment Mock Exam

Introducing the universal forwarder

A UF is another software package from Splunk Inc. that is different from the Splunk Enterprise binary. A UF is installed and configured on the source systems where data originated and can collect the data from a range of sources and forward it to Splunk indexers for indexing. For example, to forward web access logs generated by a web server stored in a file to Splunk indexers, the UF is installed on the web server host with read permissions to the log files. The UF actively monitors the logs, securely transmitting the data to the designated Splunk indexers for indexing.

In the context of UFs and Splunk indexers, the data receivers that the UF connects to are essentially the indexers themselves. Indexers are configured to listen on a designated port (typically 9997 by default). Once the UF has been installed, it is directed to the IP/DNS address of the Splunk indexers and the corresponding receiving port to establish a connection. This allows the...