50 Kubernetes Concepts Every Devops Engineer Should Know Free Pdf !link! May 2026

This report outlines 50 essential Kubernetes concepts tailored for DevOps engineers, categorized by functional areas 50 Kubernetes Concepts Every DevOps Engineer Should Know " is a popular book by Michael Levan

18. Taints & Tolerations

Taint (applied to node): "Only pods that can handle this smell are allowed." Toleration (applied to pod): "I can handle that smell." Used to keep specific pods off certain nodes (e.g., isolate GPU nodes). CNI (Container Network Interface)

Networking and Security (16-25)

Networking Foundations: Roles of kube-proxy, CNI (Container Network Interface), and DNS in resource communication. backup database at 2 AM).

16. CronJobs

Jobs on a schedule. Runs a Job at a specific time (e.g., backup database at 2 AM). CNI (Container Network Interface)