Articles

I sat and passed the CKA (Certified Kubernetes Administrator) in March 2026. Here’s how I prepared, what the exam really tests, and what I concretely took away from it.

nerdctl mirrors Docker’s syntax exactly, but talks to containerd directly. A handy tool for debugging a Kubernetes cluster, working without a Docker daemon, or experimenting with features Docker doesn’t offer yet.

transfer.sh is a widely used command-line file-sharing tool, but it had no official Helm chart. I filled that gap with an open source contribution and opened a PR on the upstream repository.

GitLab has thoroughly reworked the reusability of its pipelines. Typed inputs replace fragile variables, components structure sharing, and the catalog lets you discover them. A practical overview.

In August 2023, HashiCorp changed Terraform’s license. A few weeks later, OpenTofu was born under the Linux Foundation’s umbrella. A look at the project’s genesis, what new things it brings, and why it deserves your attention.

The Gateway API has been GA since Kubernetes 1.28. Here’s why it advantageously replaces Ingress, how it works, and how to set it up with Traefik.