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

Deploying modules to single nodes and node groups


Once you define modules and nodes, you can start deploying the modules to your nodes. You can do this on various levels, which will be demonstrated in the following recipe.

How to do it…

In order to deploy a module (or manifest) to a node, your must configure this in the node's stanza or a group of nodes that the node belongs to, or you can define it on the base level to apply it to every node.

Configure to deploy a module or manifest to a single client

Edit the client configuration node from the previous recipe and add an include statement referring to manifest you want to be applied to the client block. You can execute the following command for this:

node 'rhel7-client.critter.be' {
  include ntp
}

Configure to deploy a module or manifest to a node group

In the same way you edited the single node file, edit the node group configuration file and add an include statement to the node group block referring to the manifest you want applied. Take a...