Red Hat Enterprise Linux 8 (RHEL 8) System Administration III - Linux Automation with Ansible


Course Number: LNX-134

Duration: 5 days (32.5 hours)

Format: Live, hands-on

Red Hat Linux Training Overview

This Red Hat Enterprise Linux 8 (RHEL 8) System Administration III training course presents the system management and configuration tool Ansible, including methods, techniques, capabilities, and implementation. Participants learn how to configure an Ansible control machine and understand the impact on the Linux system. Attendees learn how to write and apply playbook definitions, a key part of Ansible, allowing the synchronization of Linux, Unix, and Windows systems. This course is comparable to Red Hat course 129.

Note: This class can be customized to be 3, 4, or 5 days depending on what areas are needed for your team.

Location and Pricing

Accelebrate offers instructor-led enterprise training for groups of 3 or more online or at your site. Most Accelebrate classes can be flexibly scheduled for your group, including delivery in half-day segments across a week or set of weeks. To receive a customized proposal and price quote for private corporate training on-site or online, please contact us.

In addition, some Programming courses are available as live, online classes for individuals.

Objectives

  • Configure Ansible control-node and managed-node(s)
  • Create and run playbooks
  • Use standard Ansible modules
  • Create and modify hosts (inventory) definitions
  • Create, install, and access with the Ansible Galaxy
  • Design a 'best practice' strategy for using Ansible capabilities
  • Leverage the usage and capabilities of the Ansible Tower / AWX

Prerequisites

It is assumed that participants are working systems administrators/developers/testers with some very basic scripting knowledge (bash, ksh, Perl or Python) and have an understanding of fundamental system utilities/commands on Linux and Windows systems.

Outline

Expand All | Collapse All

Introduction
  • Software development (cycle) considerations
  • Strengths and weaknesses of Ansible
  • Ansible terminology
  • Ansible required environment setup
Initial Setup and Configuration
  • Ansible Core installation methods: rpm, pip, and Tower
  • Ansible component locations
  • Ansible documentation
  • Ansible configuration file
  • Inventory (hosts) file contents (Linux and Windows nodes)
  • (gathering) system facts (methods)
  • Using system facts
Ansible Playbooks
  • Layout of playbook sections: directives, variable definitions, tasks, handlers, module modifiers
  • Variable creation and usage
  • Using modules in playbooks
  • Controls : loops, conditionals, tags, notifications, plugins, filters, and lookups
  • Running as root
Ansible Modules
  • Layout of an Ansible module
  • Linux modules: file, yum, systemd, cron, user, shell, filesystem
  • Using the Windows specific (win_) modules
  • Common Linux and Windows modules
Roles in Ansible
  • Overview of a role
  • Creating a role (structure)
  • Using (a) role(s)
  • Packaging up a role
  • Ansible Galaxy - capabilities and usage with roles
  • Git repo (role) repository (creation)
  • Local access of a Git repo role repository
  • Remote access of a Git repo role repository
Managed Nodes
  • Requirements for a Linux managed node
  • Inventory and access control information on the control node
  • Setup of a Linux managed node
  • Requirements for a Windows managed node
  • Setup of a Windows managed node
Ansible AWX / Tower
  • Comparison of Ansible Tower and Ansible AWX
  • Installation of Ansible AWX
  • Using the Ansible AWX (dashboard)
  • Define Ansible AWX user accounts
  • Create inventories of systems (with credentials)
  • Create projects and job templates
  • Job scheduling (launch forms), status, and tracking
  • Watching and chaining (multi-) playbooks (workflows)
  • Controlling and viewing logs and audit trails
  • Notifications
  • Updating the Ansible Tower
  • (An introduction to) Ansible Tower clusters
  • Using the Ansible Tower API
Conclusion

Training Materials:

All Red Hat Linux training attendees receive comprehensive courseware.

Software Requirements:

Attendees will not need to install any software on their computer for this class. The class will be conducted in a remote environment that Accelebrate will provide; students will only need a local computer with a web browser with a stable Internet connection. Any recent version of Microsoft Edge, Mozilla Firefox, or Google Chrome will be fine.



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