// CLUSTER ONLINE

Understand Kubernetes
one object at a time.

A plain-language field guide to how Kubernetes actually works — from pods and services to controllers and the scheduler. Toggle between Simple and Complex depending on how deep you want to go.

terms defined
categories
learning tracks

01 Learning Tracks

New to Kubernetes, or filling gaps? Take a guided, start-to-finish tour — deck to keel. Pick your level and step through it like a slideshow.

02 The Glossary

Search any term, or filter by category. Every entry comes in two depths.

03 Cluster Anatomy

A cluster is a control plane (the brain) plus worker nodes (the muscle). See the big picture, or open up the components inside.

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04 Request Flow

How does traffic actually reach your app? Follow a request from the outside world through DNS → Ingress → Service → Pod.

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05 Deploy & Reconcile

What really happens when you kubectl apply? Watch your desired state travel through the control plane and become running pods — and stay that way.

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06 About

Clanker University — Kubernetes edition makes the vocabulary of Kubernetes approachable for everyone — developers, ops, students, and the merely curious. No gatekeeping, no assumed cluster-admin badge. Just clear definitions with a depth dial you control.

Prefer AI? Head to the AI edition — same idea, for machine learning and LLMs.