~repack~ — 50 Kubernetes Concepts Every Devops Engineer Should Know Free Pdf

A service with a None cluster IP. It allows you to interface directly with pods without load balancing, often used in StatefulSets. 26. Ingress

A ensures a specified number of pod replicas are running. A Deployment is a higher-level controller that manages ReplicaSets, providing declarative updates, rolling updates, rollbacks, and scaling capabilities.

An abstract way to expose an application running on a set of pods as a network service. It provides a single stable IP address and DNS name. 22. ClusterIP

Securing cluster components, identities, and runtime behaviors. 38. Role-Based Access Control (RBAC) A service with a None cluster IP

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: A network proxy on each node that maintains network rules and handles traffic routing.

A method of regulating access to computer or network resources based on the roles of individual users within an enterprise. 38. ServiceAccount Ingress A ensures a specified number of pod

Salaries for skilled Kubernetes professionals remain very high. In the United States, a DevOps Engineer with Kubernetes expertise typically earns an average of , with specialized roles (like Platform Architect) commanding significantly more. Demand is strong across Europe and Asia as well.

The machines (virtual or physical) that run your applications. They contain the necessary services to run pods, including the container runtime, kubelet, and kube-proxy. 3. Kube-API Server

Securing, managing, and partitioning resources for multi-tenant environments. It provides a single stable IP address and DNS name

: A distributed key-value store that serves as the "single source of truth" for all cluster data.

I’ve compiled all 50 concepts into a that includes:

Pods managed directly by the Kubelet on a specific node, not the API server. Used for bootstrapping control plane components (like the API server itself).

A higher-level resource that manages ReplicaSets. It provides declarative updates to pods and allows seamless rollouts and rollbacks. 14. StatefulSet

A network proxy running on each node. It maintains network rules on nodes, allowing network communication to pods from inside or outside the cluster. 10. Container Runtime