『The Kubernetes Machine: From kubectl apply to Running Containers』のカバーアート

The Kubernetes Machine: From kubectl apply to Running Containers

The Kubernetes Machine: From kubectl apply to Running Containers

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概要

What really happens when you run kubectl apply?

In Part 1 of this Kubernetes masterclass, we go far beyond basic definitions and trace how Kubernetes works as a distributed, API-driven control system.

You will learn how a YAML manifest moves through kubectl, the API server, authentication, authorization, admission, etcd, controllers, the scheduler, kubelet and the container runtime before finally becoming a running Pod.

This episode also explains the deeper ideas that make Kubernetes work:

  • Desired state versus observed state
  • Reconciliation loops
  • spec versus status
  • Watches and events
  • Labels and selectors
  • ReplicaSets and Deployments
  • Scheduling decisions
  • Pod lifecycle
  • Owner references, finalizers and garbage collection
  • Server-side apply and field ownership

By the end of this episode, you will be able to mentally replay the complete journey from user intent to a healthy running workload—and understand which component is responsible at every step.

Mental model:

Intent → Store → Observe → Reconcile

Full interview prep guides and scenario walkthroughs: DevOpsInterview.Cloud

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