50 Kubernetes Concepts Every Devops Engineer Should Know Fixed Jun 2026

: The front desk; every request to change cluster state goes through here.

A task runner. Creates one or more pods and ensures a specified number of them successfully terminate.

The following 50 concepts cover everything from the core components that keep clusters running to the advanced networking and security patterns required for production-level environments. Core Architecture and Control Plane 50 kubernetes concepts every devops engineer should know

: An agent on every node ensuring containers in PodSpecs are running and healthy.

: The software (e.g., Docker, containerd) that actually runs the containers. 2. Fundamental Workload Objects 50 Kubernetes Concepts Every DevOps Engineer Should Know : The front desk; every request to change

The "manager." It manages ReplicaSets and provides declarative updates to Pods (rolling updates, rollbacks).

The smallest deployable unit in Kubernetes. It’s a wrapper around one or more containers that share storage and network resources. The following 50 concepts cover everything from the

The cluster’s memory. A key-value store where all cluster state and configuration data are saved.