50 Kubernetes Concepts Every Devops Engineer Should Know New! Free Pdf [1080p · FHD]

#Kubernetes #DevOps #CloudNative #SRE #Docker #CKA #PlatformEngineering To help you get the most out of this guide, let me know: current experience level with K8s (e.g., beginner, intermediate). specific areas

An API object that manages external access to the services in a cluster, typically HTTP, providing load balancing, SSL termination, and name-based virtual hosting.

Kubernetes is no longer "optional"—it’s the backbone of modern cloud engineering. But let’s be real: the ecosystem is massive, and getting lost in the YAML is easy.

You cannot memorize 50 complex interactions overnight. When you are debugging a crash-loop backoff at 2 AM, you do not want to scroll through ads or vague documentation. You need a cheat sheet that tells you: But let’s be real: the ecosystem is massive,

The traffic cop. A network proxy running on each node that maintains network rules to allow communication to your Pods. Part 2: Workloads & Pod Orchestration

: An agent that runs on each node in the cluster, ensuring containers are running in a Pod. kube-proxy

: The distributed key-value store used for storing cluster data. You need a cheat sheet that tells you: The traffic cop

Determines if a container is ready to accept network traffic. If it fails, the endpoints controller removes the pod's IP from services. 47. Startup Probe

The regulator. It runs background controller loops to regulate the state of the cluster and move it toward the desired state. 7. cloud-controller-manager

Specifications of how groups of pods are allowed to communicate with each other and with other network endpoints. It acts as a firewall for pods. 29. CoreDNS livenessProbe to restart dead apps

Exposes the Service on each Node’s IP at a static port, allowing you to reach the Service from outside the cluster.

The storage profile. Allows administrators to describe the "classes" of storage they offer, enabling dynamic provisioning on demand. Part 5: Cluster Resource Management & Scaling

Health checks performed periodically by the kubelet on a container (e.g., livenessProbe to restart dead apps, readinessProbe to signal if traffic should be routed to the Pod).

Allows containers to discover information about themselves or the cluster without coupled client libraries. Security & Access Control 37. RBAC (Role-Based Access Control)