Red Hat System Administration III - Linux Automation Ansible

RHCE EX294 with Ansible Sample Practice Exams

RED HAT ENTERPRISE LINUX 8

Red Hat Certified System Administrator Exam (EX200 - 2.5 Hours Required), there are two course modules as shown below.

•   Red Hat System Administration I - SA1 (RH124)

•   Red Hat System Administration II - SA2 (RH134) 

RED HAT CERTIFIED ENGINEER EXAM (EX294 - 4 Hours Required) [ RHCSA is required RHCE ]

•   Red Hat System Administration III: Linux Automation with Ansible ==> This Course Module will teach you this module.

Course Description:

Red Hat System Administration III: Linux Automation with Ansible (RH294)

Introduction

• What is Ansible?

• Ansible Limitations

• Ansible Architecture

• Overview of Ansible Setup

• Quiz1

Ansible Installation

• Installing Ansible

• Guided Exercise

Deploying Ansible

• Ansible Components

  - Ansible Configuration

  - Host Inventory

  - Core Modules

  - Custom Modules

  - Playbooks

  - Connection Plugins

• Ansible Host Inventories

• Guided Exercise: Building an Ansible Inventory

• Customizing Ansible

• Managing Ansible Configuration files

AD HOC Commands With Ansible

• Syntax of Ad Hoc Command

• Ansible Modules

• Ansible Command-line Options

• Idempotent behavior of Ansible Modules

• Guided Exercise

Implementing Playbooks

• Overview of Playbook Syntax

• Writing and Running Playbooks

• Lab - Write a Simple Playbook, User Creation task

• Guided Exercise - Web Server Installation

• Guided Exercise - Multiple Tasks

Managing Variables & Facts in Ansible

• Overview of variables in Ansible

• Lab-Managing Variables

• Hosts & Group variables

• Lab on Host & Group Variables

• Ansible Facts

Managing Secrets

• Ansible Vault Command

• Lab - Edit, encrypt, decrypt, and view files

• Guided Exercise - 1

• Guided Exercise - 2

Implementing Task Control

• Manage task control, handlers, and task errors in Ansible Playbooks.

• Task Iteration with Loops

• Lab - Simple Loops, Loops over a List of Hashes

• Lab - with_items, with_file

• Lab - using register variables with loops

• Lab - Running tasks Conditionally using when statement

• Lab - when statement using ansible facts

• Lab - Testing multiple conditions using when statement

• Lab - "in" keyword

• Lab - Combining Loops & Conditional Tasks

• Lab - Combining Conditionals & Register Varaibles

• Ansible Handlers

• Lab - Ansible Handlers

Handling Task Failures

• Managing task errors in plays - ignore_errors

• Specifying task failure Conditions

• failed_when keyword

• changed_when keyword

• Guided Exercise

Deploying files to managed hosts

• Describing files modules

• Lab - copy & fetch modules

• Lab - lineinfile & blockinfile modules

• Lab - modify file attributes such as SELinux Context

• Lab - stat module

• Guided Exercise

Deploying Custom files with Jinja2 Templates

• Overview of Jinja Templates

• Control Structure - using loops, variables

• Lab - for, loop.index variable, if else in Jinja2 Templates

• Guided Exercise

Configuring Parallelism

• About Parallelism in Ansible

• Managing rolling updates - serial keyword

• Guided Exercise - Forks Parameter

• Guided Exercise - Serial Keyword

Including & Importing Files

• Overview of Importing & Including files

• Import_playbook & import_tasks

• define variables using import_tasks

• Include_tasks and its comparison with import_tasks

• Guided Exercise

Simplifying Playbooks with Roles

• Ansible Roles

• Create Ansible Roles

• Lab: Simplifying Playbooks with Roles

Troubleshooting Ansible

• Log Files for Ansible

• The Debug Module

• Managing Errors : --syntax-check, --step, --list-tasks, --start-at-tasks

• Debugging

• Using check mode as a Testing Tool

• check_mode

• Guided Exercise

• Last Lecture

Bonus

• RHCE EX294 with Ansible Sample Practice Exams