nick.arellano

Building things that

Interactive guides on automation, networking, and infrastructure. Written by someone who deploys this stuff, not just writes about it.

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InteractiveJuly 14, 2026

How Ansible Actually Works

One hand-edited nginx config, 10 hosts, and the machinery that lets Ansible find and fix exactly one drifted box.

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Recent

InteractiveJuly 14, 2026

The AAP 2.7 Architecture, Port by Port

Explore the AAP 2.7 enterprise topology as firewall boundaries, then trace login, job, EDA, and content traffic through the mandatory Platform Gateway.

ansibleautomationarchitecturered-hat

InteractiveJuly 14, 2026

Ansible Builder and Execution Environments

Build a small, testable Ansible execution environment with ansible-builder v3, then prove what is inside before it reaches Automation Controller.

ansiblecontainersautomationred-hat

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How Ansible Actually Works

The AAP 2.7 Architecture, Port by Port

Ansible Builder and Execution Environments

Building things that