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)
Part 1: Splunk System Administration
Part 2:Splunk Data Administration
Chapter 12: Self-Assessment Mock Exam

Understanding metadata fields

The following list details the default metadata fields assigned by Splunk during the inputs phase. Note that field names are always case-sensitive. We will discuss the different phases that data goes through in the Data indexing phases section:

  • host – This describes from which host, device, or machine the data originates.
  • source – This represents the input source or origin of the indexed data.
  • sourcetype – The type of machine data. For example, on Windows hosts, we may see WinEventLogs or ActiveDirectory.
  • index – This allows us to provide an index name in the inputs.conf file; otherwise, main is used by default.
  • _time – This records the time of the event in Unix-epoch format. Splunk tries to automatically detect this during the parsing phase, or alternatively the administrator can configure this through the sourcetype settings.

If the data input doesn’t specify metadata fields in...