← Back to Kubernetes overview

Hand-written tutorials, ordered as a recommended learning path.

1. 21 Persistent Volumes Understand PersistentVolumes, PersistentVolumeClaims, and StorageClasses to give your Kubernetes workloads reliable, portable storage. 6 min read →
2. 22 Taints & Tolerations Control which pods can schedule on which nodes using Kubernetes taints and tolerations. Covers effects, use cases, and common pitfalls. 6 min read →
3. 23 Network Policies Lock down pod communication with Kubernetes NetworkPolicies. Learn ingress and egress rules, label selectors, and namespace isolation. 6 min read →
4. 24 Resource Limits Set CPU and memory requests and limits correctly. Understand QoS classes, OOMKilled errors, and CPU throttling in Kubernetes. 7 min read →
5. 25 Rolling Updates Master zero-downtime deployments with Kubernetes rolling updates, rollback commands, and deployment strategies like blue-green and canary. 7 min read →
6. 26 HPA Autoscaling A practical guide to Kubernetes Horizontal Pod Autoscaling: HPA resources, metrics server setup, CPU and memory-based scaling, custom metrics, scaling behavior tuning, and production best practices. 8 min read →
7. 27 Ingress Controllers A practical guide to Kubernetes Ingress: Ingress resources, NGINX Ingress Controller setup, TLS termination, path-based and host-based routing, annotations, and production configuration. 7 min read →
8. 28 Pods & Services A deep dive into Kubernetes Pods and Services: pod lifecycle, multi-container patterns, init containers, probes, ClusterIP, NodePort, LoadBalancer, and service discovery. 9 min read →
9. 29 RBAC Guide A practical guide to Kubernetes RBAC: Roles, ClusterRoles, RoleBindings, ClusterRoleBindings, ServiceAccounts, and real-world patterns for securing cluster access. 8 min read →
10. 30 Pods vs Deploys How Pods, ReplicaSets, and Deployments relate, why you almost never create Pods directly, and how rolling updates and rollbacks actually happen. 5 min read →
11. 31 Upgrades How Kubernetes cluster upgrades drain nodes, how pod eviction works, and how PodDisruptionBudgets and graceful shutdown keep workloads safe during upgrades. 4 min read →
12. 32 ConfigMaps A practical walkthrough of ConfigMaps and Secrets in Kubernetes, including how to inject them as environment variables, mount as files, and rotate safely. 4 min read →
13. 33 Helm Intro Learn what Helm charts are, how templates and values work together, and how to package your own application for repeatable, parameterized Kubernetes deployments. 4 min read →
14. 34 HPA Understand how HPA decides when to add or remove pods, the metrics it can scale on, and the tuning knobs that prevent flapping and runaway scaling. 4 min read →
15. 35 Service Types Understand the three ways to expose a Kubernetes service to the outside world, the tradeoffs of each, and how to pick the right one for your workload. 5 min read →
16. 36 Init Learn how Kubernetes init containers work, when to use them for setup tasks, and how to build robust pod initialization pipelines with real YAML examples. 4 min read →
17. 37 Jobs vs CronJobs Compare Kubernetes Jobs and CronJobs with real YAML, retry semantics, and the gotchas that turn a simple nightly task into a 3 AM page. 4 min read →
18. 38 Node Affinity Understand how nodeAffinity and podAntiAffinity steer the scheduler, with real YAML, hard vs soft rules, and the performance traps to avoid. 4 min read →
19. 39 K8s Networking How traffic actually flows in a Kubernetes cluster: the pod network, services, kube-proxy modes, and what a CNI plugin really does. 4 min read →
20. 40 Operators & CRDs How CustomResourceDefinitions extend the Kubernetes API and how operators encode operational knowledge as controllers reconciling desired state. 4 min read →