ROS is the Linux of robotics — not an operating system in any kernel sense, but the convention-and-message-bus stack that nearly every modern robot speaks. We walk what nodes, topics, services, and actions actually are, why ROS1's central master became ROS2's distributed DDS, the build-and-launch story, and the honest learning curve before you can move a real robot with it.
Middleware
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ROS and ROS2 Explained -
Traefik as a Kubernetes Ingress Controller: The Complete Guide A technically deep guide to running Traefik as a Kubernetes ingress controller — covering Helm installation, IngressRoute CRDs, Middleware resources, TLS with cert-manager, Gateway API, RBAC, high availability, observability, and production-grade patterns including canary deployments, TCP/UDP routing, and ForwardAuth with Authentik.
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Traefik: The Complete Guide to the Cloud-Native Reverse Proxy A comprehensive deep-dive into Traefik — the modern cloud-native reverse proxy and load balancer. Covers core architecture, Docker auto-discovery with labels, automatic HTTPS via Let's Encrypt, the full middleware ecosystem, routing rules, ForwardAuth and SSO, observability, HTTP/3, and the tips and tricks that make it the go-to proxy for home labs and production Kubernetes clusters alike.