[NEW] RedHat Automation with Ansible Training RHEL 9 (RH294)

Welcome to RedHat Automation with Ansible – RHEL 9 (RH294).

If you’re a system administrator, DevOps engineer, or just someone who wants to automate Linux-based tasks, this course is your complete guide to learning Ansible — one of the most powerful tools in IT automation.

Here’s what you’ll learn:

Ansible Setup in AWS Environment

• Getting Started with This Section

• Set Up an EC2 Instance as an Ansible Control Node

• Install Ansible on Control Node

• Set Up Two Client Machines as Managed Nodes

• Enable SSH communication

• Add Same User to All Machines

• Generate SSH Key for Password-Free Access

• Create Host Group in Inventory File

• Test Connection Using Ad-Hoc Commands

• Guided Exercise – 1

• Guided Exercise – 2

Mastering Ansible Inventory and ansible-navigator: A Step-by-Step guide

• Getting Started with This Section

• Understanding Ansible Inventory

• Static vs Dynamic Inventory in Ansible

• How to Add Host Entries in Inventory

• Adding Hosts with Custom Ports and Users

• Using Host Ranges in Ansible Inventory

Getting Started with Ansible Navigator: Installation, Modes, and Usage

• Ansible Navigator: Quick Overview

• Navigator Modes Explained: Run, Inventory, Collections & More

• ansible-navigator vs ansible-playbook: Key Differences

• Installing ansible-navigator

• Setting Up ansible-navigator

• View Inventory with ansible-navigator (stdout mode)

• Explore Inventory in TUI Mode Using ansible-navigator

Managing Ansible Configuration Files

• Configuring Ansible Basics

• Setting Up User-Specific Ansible Configuration

• Defining Inventory File Path in Ansible Config

• Working with ansible-navigator Configuration File

Ansible Navigator – Scenario Based Guided Lab

• Getting Started with this Section

• Hands-On Lab 1

• Hands-On Lab 2

• Hands-On Lab 3

• Hands-On Lab 4

Implementing an Ansible Playbook

• Getting Started with this Section

• What is an Ansible Playbook

• Ansible Playbook Syntax and Formatting

• Lab Exercise: Creating Your First Ansible Playbook

• Lab Exercise: Run Playbook Using Ansible Navigator

• Lab Exercise: Ansible Navigator with EE Enabled

• Lab Exercise: Directory Creation Using Playbook

Ansible Variable and Facts

• Getting Started with this Section

• Introduction to Ansible Variables

• Valid and Invalid Variable Names

• Defining Group Variables in Ansible Inventory

• Defining Group Variables via group_vars

• Defining Host Variables

• Defining Variables in Ansible Playbooks

• Overriding Variables with ansible playbook

• Overriding Variables with ansible-navigator

• Use Dictionaries as Variables in Ansible

• Hands-On: Use Dictionaries

• Capturing Output with Registered Variables

• Hands-On: Capturing Output with register

Managing Secrets in Ansible

• Introduction to Ansible Vault and Secret Storage

• Ansible Vault: File Encryption

• Ansible Vault: Using Password Files for Encryption

• Ansible Vault: Modify Encrypted Files

• Hands-On 1: Secure User Creation with Ansible Vault

• Hands-On 2: Secure User Creation with Ansible Vault

• Hands-On 3: Secure User Creation with Ansible Vault

• Hands-On 4: Secure User Creation with Ansible Vault

• Hands-On 5: Secure User Creation with Ansible Vault

Task Control Implementation in Ansible

• Getting Started with this Section

• Task Iteration with Loops in Ansible

• Hands-On: Installing Multiple Packages Using Loops

• Loop with a Variable List

• Hands-On: Iterating Variable Lists with Loops

• Ansible Loops with List of Dictionaries

• Hands-On 1: Looping Through Dictionary Lists

• Hands-On 2: Looping Through Dictionary Lists

• Earlier-style Loop Keywords: with_items, with_dict etc

• Hands-On 1: Register with Loop in Ansible

• Hands-On 2: Register with Loop in Ansible

Implementing Conditional Task Control

• Running Tasks Conditionally

• Hands-On: Install Apache Only if RAM > 2GB

• Hands-On: Run Task Only if OS is Debian

• Hands-On: Run Task When web_enabled is True

• Hands-On: Run Task if RAM > 2GB AND OS is CentOS

• Hands-On: Run Task if OS is Ubuntu OR Debian

Deploying Files to Managed Hosts

• Describing File Modules

• Hands-On: Create a Directory

• Hands-On: Copy a File to Remote

• Hands-On: Fetch File From Remote to Local

• Hands-On: Insert Line Using lineinfile Module

• Hands-On: Insert Config Block Using blockinfile Module

Deploying Custom files with Jinja2 Templates

• Introduction to Jinja Templating in Ansible

• Control Structures with Loops and Variables

• Hands-On: Control Structures

• Using Ansible Facts in Jinja2 Templates

• Guided Exercise – 1

• Guided Exercise – 2

• Guided Exercise – 3

Managing Complex Plays and Playbooks

• Selecting Hosts with Host Patterns

• Hands-On: Defining Ansible Host Patterns

• Hands-On: Defining Ansible Host Patterns

• Including and Importing Files

• Include vs Import in Ansible

• Import_playbook in Ansible

• Hands-On 1: Include and Import Files – Apache Setup

• Hands-On 2: Include and Import Files – Apache Setup

• Hands-On 3: Include and Import Files – Apache Setup

Guided Exercise: Apache Web Server Automation

• Overview of the Project

• Hands-On Practice 1

• Hands-On Practice 2

Modular Playbook Design with Roles and Collections

• Describing Role Structure

• Hands-On Project: Automate Server Hardening

• Hands-On: Roles for User and Timezone Setup

• Hands-On: Role for Firewall Custom Port Access

• Hands-On: Role for SSH Configuration

• Hands-On: Use Roles in a Playbook

• Hands-On: Execute the Playbook

• Hands-On: Verify Changes on Client Node

Using External Ansible Roles from Ansible Galaxy

• Overview: Using External Roles from Galaxy

• Hands-On: Install External Role geerlingguy.nginx

• Hands-On: Create a Playbook with External Role

• Hands-On: Run Playbook with ansible-playbook

• Hands-On: Run Playbook with ansible-navigator

Troubleshooting in Ansible: Debugging and Error Handling

• Analyzing Ansible Log Files

• Using the debug Module for Troubleshooting

• Handling Errors Gracefully in Ansible

• Debugging Techniques in Ansible

• Using check_mode to Test Playbook Execution

• Last Lecture

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