Book Image

Hands-On Enterprise Automation on Linux

By : James Freeman
Book Image

Hands-On Enterprise Automation on Linux

By: James Freeman

Overview of this book

Automation is paramount if you want to run Linux in your enterprise effectively. It helps you minimize costs by reducing manual operations, ensuring compliance across data centers, and accelerating deployments for your cloud infrastructures. Complete with detailed explanations, practical examples, and self-assessment questions, this book will teach you how to manage your Linux estate and leverage Ansible to achieve effective levels of automation. You'll learn important concepts on standard operating environments that lend themselves to automation, and then build on this knowledge by applying Ansible to achieve standardization throughout your Linux environments. By the end of this Linux automation book, you'll be able to build, deploy, and manage an entire estate of Linux servers with higher reliability and lower overheads than ever before.
Table of Contents (23 chapters)
1
Section 1: Core Concepts
5
Section 2: Standardizing Your Linux Servers
10
Section 3: Day-to-Day Management
16
Section 4: Securing Your Linux Servers

Chapter 9 - Patching with Katello

  1. Katello offers a rich web-based user interface, filtering for repository creation, the concept of life cycle environments (for example, development and production), and a whole other set of features.
  2. A Product is a collection of supported files in Katello—it might be a mirror of an RPM repository, some manually uploaded files, a collection of Puppet manifests, or a DEB repository mirror.
  3. A content view is a version-controlled snapshot of a set of Products as defined in the answer to question 2. In the context used in this book, it is a version-controlled set of repositories.
  4. Yes, it can.
  5. You would create one Lifecycle Environment for each distinct environment in your enterprise—for example, Development, Testing, Staging, and Production. Hence, you can have a different version of a Content View associated with each environment, allowing...