Download : Linux Redhat Administration III – Automation Ansible-RHEL8

File Size1.41 GB

Description

Linux Exam EXAM-294 with Ansible Sample Practice Exams – OS Version 8

Linux Certified System Administrator Exam (EX-200 – 2.5 Hours Required), there are two course modules as shown below.

•   Linux System Administration I – SA1 (First part)
•   Linux System Administration II – SA2 (Second part)

Linux Certified Engineer (EXAM294 – 4 Hours Required) [ First & Second part is required to complete this course. ]

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

Course Description:

Linux 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