Red Hat Certified Engineer (Rhce) Study Guide: Ansible Automation for the Red Hat Enterprise Linux 8 Exam (Ex294)

Chapter 1: Understanding Ansible and the Red Hat RHCE

Chapter Goal: Help the reader identify the course of the book and what they need to follow along

No of pages 10

Sub -Topics

1. Ansible and Red Hat

2. Red Hat Certifications

3. Lab systems used in the book

4. Investigating the Lab Systems

5. Installing Ansible on CentOS 8

6. Installing Ansible on Ubuntu 18.04

Chapter 2: Working with the Ansible Configuration

Chapter Goal: Gain and understanding a create Ansible configuration file and enforce their use with read only variables

No of pages: 10

Sub - Topics

1. Identify the version of Ansible and the location of the configuration file used

2. Understanding the Ansible configuration hierarchy

3. Configuring read-only variables

4. Printing Ansible configurations

5. Creating basic configuration

Chapter 3: Creating an Ansible Inventory

Chapter Goal: The inventory is a list of hosts that will be managed for that project. The reader will learn to create the inventory both manaualyy and automated searches. Inventory groups allow for more directed targeting of tasks.

No of pages: 10

Sub - Topics:

1. Adding hosts to the inventory

2. Using NMAP to discover SSH hosts and add to inventory

3. Creating inventory groups

4. Printing inventory entries

5. Implementing host and group variables

Chapter 4: Using ad-hoc commands and Ansible preparation

Chapter Goal: Allow the reader to start using ansible and prepare for more automated use

No of pages: 10

Sub - Topics:

1. Generating a local ssh key pair

2. Testing Ansible connections

3. Using Ansible to distribute the user's public key

4. Enabling password-less access to sudo

5. Gaining invaluable help on Ansible modules

6. Creating and removing users with Ansible

Chapter 5: Writing YAML and Basic Playbooks

Chapter Goal: Playbooks are written n YAML so it is important to understand how to write YAML files and basic playbooks

No of pages: 10

Sub - Topics:

1. Understanding YAML files

2. Configuring the VIM text editor for YAML

3. Using Microsoft Visual Code to edit YAML files

4. Creating a simple Ansible playbook

5. Using facts in playbooks

Chapter 6: Managing Users in Ansible Playbooks

Chapter Goal: Something that is to understand and user is to create and manage users with Ansible. The user password needs to be encrypted and we can generate encrypted passwords in many ways including Python and C

No of pages: 15

Sub - Topics:

1. Using playbooks to create and remove users

2. Creating multiple users with loops

3. Using variables in playbooks

4. Using logic in the playbook

5. Using Python the generate passwords

6. Creating a C program to generate passwords

Author: Andrew Mallett
Publisher: Apress
Published: 04/21/2021
Pages: 227
Binding Type: Paperback
Weight: 0.76lbs
Size: 9.21h x 6.14w x 0.51d
ISBN13: 9781484268605
ISBN10: 1484268601
BISAC Categories:
- Computers | Computer Science
- Computers | Programming | Open Source

About the Author
Andrew Mallett is a well-known Linux consultant and trainer, and his YouTube Channel has over 65K subscribers and more than 1,000 videos. Working mainly online now, he has authored courses on both Pluralsight and Udemy, and regularly teaches classes online to a worldwide audience. Andrew is familiar with Linux and UNIX and has worked with them for over 20 years. Scripting and automation is one of his passions as he is inherently lazy and will always seek the most effective way of getting the job done. The Urban Penguin, his alter ego, is a UK-based company where he creates his work and currently employs five people.