RedHat Ansible Lab Demonstration – Host Configuration

Mastering Ansible is a action-by-stage journey of understanding Ansible for configuration management and orchestration.

The system is created as a journey as a result of configuring a realistic software stack from the floor up. As a substitute of likely page-by-webpage through the Ansible documentation, subject areas are purchased to align with the escalating complexity of our software as we construct it up and refactor it.

In addition to the core concepts of configuration with Ansible, we devote time on making equipment to aid us manage and troubleshoot our application. The aim is to have a workflow where all of the configuration and troubleshooting is done by means of ansible playbooks that can be committed to a repository and enhanced around time.

The system is divided into 6 sections, commencing with initial installation and foundational principles. Setting up in portion 3, we create up a sample application atmosphere layer-by-layer, learning a new notion in each and every lecture. Soon after the software is up and operating, we refactor our setup in area 4 with an emphasis on modularity and encapsulation. In portion 5, we enhance our code and find out about methods to lower the playbook execution time. The training course finishes with a final section on troubleshooting and tests.

For each lecture, we introduce a new Ansible notion and apply it to our playbooks. For most lectures, we execute the new concept in the demo environment so you can see what the output really should appear like. In the notes of just about every lecture, you are going to come across a hyperlink to the pertinent documentation web pages, along with a snapshot of the codebase at the stop of that lecture.

This study course was built with Ansible variation one.nine.three, utilized to a 3-tiered web application natural environment leveraging NGINX, Apache2, Python, and MySQL on Ubuntu Linux servers. We do not address administering Windows servers in this study course.

This class is intended as an introduction to Ansible, but also as a information for engineers intrigued in configuration administration, orchestration, infrastructure-as-code, and devops principles.

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