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
Bonus
- Linux EX294 with Ansible Sample Practice Exams – OS Version 8
