Serverless 101: The fastest path to your first AWS Lambda—using Function URLs
If you’re just getting into serverless, the most frictionless “hello world” you can ship today is an AWS Lambda exposed directly to the web with a Function URL. It’s a...
Goodbye index.yaml, Hello OCI: a hands‑on Helm guide to pushing and signing your charts
If you’ve been packaging Kubernetes apps with Helm for a while, you’ve probably used classic “chart repositories” backed by an index.yaml. That workflow still works—but the center of gravity has...
OpenTofu 1.10 for Terraform Users: What’s New, Why It Matters, and How to Get Started
If you’ve heard people say “OpenTofu is Terraform, but truly open,” you’re not far off. OpenTofu began as a community fork after Terraform moved to a non‑open‑source license; it’s now...
Networking: Test your knowledge #01
This quiz is designed to help you review key concepts in computer networking, from basic fundamental to more advanced topics. You’ll start with simple questions about how data moves across...
Stop shipping AI blind: bring Model BOMs into your DevSecOps pipeline
If your app now includes a model, you’re not just “deploying code” anymore—you’re releasing a band plus the album, liner notes, and a stack of instruments. Yet many CI/CD pipelines...
Kubernetes: Test your knowledge #02
Kubernetes has become the backbone of modern infrastructure but managing and observing it effectively takes more than just YAML files and kubectl get pods. This quiz is designed to test...
A Single Faulty Update Took Down Millions of Windows Machines: What It Teaches Us About Incident Response Maturity
When people talk about “maturity” in incident response, it can sound abstract—until a single change bricks machines across the planet. In the early hours of July 19, 2024 (UTC), a...
Right-size without restarts: Cutting Kubernetes costs with in‑place Pod resize
Kubernetes finally has a practical way to change CPU and memory on running Pods without deleting them. The in‑place Pod resize feature (also called in‑place vertical scaling) graduated to beta...