50 Kubernetes Concepts Every Devops Engineer Should Know |link| Free Pdf «TRUSTED · 2024»

An abstract way to expose an application running on a set of Pods as a network service with a single, stable IP address and DNS name.

: (e.g., Istio/Linkerd) For advanced traffic management and observability. DEV Community Configuration and Secrets Decoupling application code from environment settings. : Stores non-sensitive configuration data. : Stores sensitive data like passwords or API keys. Downward API

The watchman of the cluster. It runs background controller loops to regulate the state of the cluster. 6. Scheduler (kube-scheduler) An abstract way to expose an application running

A request for storage by a user, allowing Pods to claim PV resources without needing to know the underlying storage technology (NFS, AWS EBS, etc.).

Ensures that a specified number of Pod replicas are running at any given time. : Stores non-sensitive configuration data

Manages time-based Jobs, allowing you to run tasks periodically (e.g., database backups, report generation) using standard cron syntax.

Assume your cluster is compromised. Now what? It runs background controller loops to regulate the

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Provides a mechanism for isolating groups of resources within a single cluster.

Kubernetes is not one tool—it’s a . No one memorizes all 50 on day one. But the best DevOps engineers know each concept exists, when to use it, and where to look up the exact syntax.

A container that runs alongside the main application container in a Pod to extend or enhance its functionality (e.g., logging proxies or service mesh sidecars).