50 Kubernetes Concepts Every Devops Engineer Should Know Free [updated] Pdf Jun 2026

Never hardcode passwords in your image.

: The actual software (like NGINX) that fulfills the Ingress rules. EndpointSlice

: Used to attach additional information to resources.

: Exposes the Service on each Node's IP at a static port. It makes the service accessible from outside the cluster. Never hardcode passwords in your image

Advanced placement logic, access control, and keeping your workloads healthy. 40. Node Selector

A simple empty directory that is first created when a Pod is assigned to a Node.

, I can point you to the exact — and legal — free resource you actually need. : Exposes the Service on each Node's IP at a static port

Mastering Kubernetes: 50 Essential Concepts for DevOps Engineers

Runs jobs on a schedule (similar to cron in Linux). Phase 6: Security and Observability

An abstract way to expose an application running on a set of Pods as a network service. 32. Namespaces : A distributed

Optimizing performance, prioritizing workloads, and growing your cluster automatically. 32. Namespaces

: A distributed, consistent key-value store used as Kubernetes' secure registry for all cluster data and state.

, which covers infrastructure, networking, and lifecycle management. KodeKloud provides a Kubernetes for Beginners PDF