Book Image

Red Hat Enterprise Linux Server Cookbook

By : Jakub Gaj, William Leemans
Book Image

Red Hat Enterprise Linux Server Cookbook

By: Jakub Gaj, William Leemans

Overview of this book

Dominating the server market, the Red Hat Enterprise Linux operating system gives you the support you need to modernize your infrastructure and boost your organization’s efficiency. Combining both stability and flexibility, RHEL helps you meet the challenges of today and adapt to the demands of tomorrow. This practical Cookbook guide will help you get to grips with RHEL 7 Server and automating its installation. Designed to provide targeted assistance through hands-on recipe guidance, it will introduce you to everything you need to know about KVM guests and deploying multiple standardized RHEL systems effortlessly. Get practical reference advice that will make complex networks setups look like child’s play, and dive into in-depth coverage of configuring a RHEL system. Also including full recipe coverage of how to set up, configuring, and troubleshoot SELinux, you’ll also discover how secure your operating system, as well as how to monitor it.
Table of Contents (17 chapters)
Red Hat Enterprise Linux Server Cookbook
Credits
About the Author
About the Reviewers
www.PacktPub.com
Preface
Index

Creating a playbook to deploy a new VM with kickstart


Creating playbooks for Ansible is a relatively easy task as most considerations are handled by the modules. All modules are made as "idempotently" as possible, meaning that a module first checks what it is supposed to do with what has been done on the system and only then applies the changes if they are different.

Getting ready

We don't need any additional facts for this recipe.

For this to work, we need to have a web server and a location to store the kickstart files, which will be served by the web server.

For the sake of convenience, our web server is called web.domain.tld, the location on this web server is /var/www/html/kickstart, and this directory can be accessed through http://web.domain.tld/kickstart.

We also need a KVM host (refer to Chapter 1, Working with KVM Guests, on how to set up a KVM server). In this case, we'll call our KVM server kvm.domain.tld.

How to do it…

Let's create the playbook that will provision new systems via the...