50 Kubernetes Concepts Every Devops Engineer Should Know Free [repack] Pdf May 2026

Creates one or more Pods and ensures that a specified number of them successfully terminate. CronJob: Manages Jobs that run on a periodic schedule.

The successor to Ingress. More role-oriented (infra vs app devs) and supports L4/L7 routing, cross-namespace references, and protocol flexibility. Creates one or more Pods and ensures that

Used to store non-confidential data in key-value pairs (e.g., environment variables). More role-oriented (infra vs app devs) and supports

Observability & operations 39. kubectl — CLI basics and useful commands. 40. Logging (e.g., EFK/ELK) — collect and centralize logs. 41. Metrics (Prometheus) — gather metrics for alerts and autoscaling. 42. Tracing (Jaeger/OpenTelemetry) — distributed tracing for apps. 43. Health checks: liveness & readiness probes — control lifecycle and traffic. 44. Backups & restore strategies — etcd, PVs, application-level backups. 45. Upgrades & drain strategies — kubectl drain, control-plane upgrades. kubectl — CLI basics and useful commands

Mastering Kubernetes is a marathon, not a sprint. For DevOps engineers, understanding the core objects, architectural components, and operational strategies is essential for building production-ready systems. This guide provides a comprehensive list of 50 essential Kubernetes concepts, ranging from basic building blocks to advanced orchestration and security. Core Architectural Components