#Automation

Mutation testing for infrastructure code, done by hand across fifteen repositories. 153 planted bugs, and four green tests that could never have failed.

A Docker health check whose pattern matches the shell running it can never go red. How to find the checks in your fleet that never failed, and prove each one.

Master Terraform's null_resource to automate complex DevOps workflows. Learn triggers, local execs, and when to use terraform_data in modern IaC.

What is DevOps? Learn how it unites developers and IT with CI/CD, automation, and collaboration to ship software faster and more reliably.

Learn how to install Foreman on Ubuntu Server to manage, provision, and monitor infrastructure with Puppet integration in a few simple steps.

Step-by-step guide to install Jenkins on Ubuntu Server with Apache, SSL via Let's Encrypt, and system hardening. Ideal for secure CI/CD deployment.

Learn how to export Windows drivers using PowerShell with the Export-WindowsDriver cmdlet. Step-by-step guide for automation and IT pros.

Learn how to create and run startup scripts on macOS using Cron. Step-by-step guide for automating tasks at boot with shell scripting and iTerm2.