1. Pods, Containers, and Workloads
Kubernetes workloads are built from a small set of composable building blocks. The foundational unit is the Pod, which represents a single instance of a running process and may con...
Read full chapter →The essential Kubernetes Orchestration cheat sheet: 7 concise chapters you can read in minutes, distilled from the full deck. When you're ready, drill the flashcards or test yourself under exam conditions.
Kubernetes workloads are built from a small set of composable building blocks. The foundational unit is the Pod, which represents a single instance of a running process and may con...
Read full chapter →Pods come and go with their changing IP addresses, so Kubernetes abstracts them behind Services, which define a logical set of Pods and a stable access policy. A Service uses label...
Read full chapter →Applications need configuration and data, and Kubernetes offers dedicated primitives for both. ConfigMaps store non-confidential key-value pairs that Pods consume as environment va...
Read full chapter →Kubernetes offers fine-grained control over where Pods run and how many resources they consume. The scheduler selects an optimal node for each new Pod based on resource requests, a...
Read full chapter →A Kubernetes cluster is divided into a control plane that makes global decisions and worker nodes that actually run workloads. The control plane runs the kube-apiserver as its fron...
Read full chapter →Kubernetes security spans authentication, authorization, admission control, runtime hardening, and network segmentation. Authorization is governed by Role-Based Access Control thro...
Read full chapter →The kubectl command-line tool is the primary interface to the Kubernetes API, and a working knowledge of its verbs and flags is essential. kubectl get lists resources, with flags l...
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