1. Pods and Container Fundamentals
A Pod is the smallest deployable unit in Kubernetes, encapsulating one or more tightly coupled containers that share a network namespace, inter-process communication, and optionall...
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A Pod is the smallest deployable unit in Kubernetes, encapsulating one or more tightly coupled containers that share a network namespace, inter-process communication, and optionall...
Read full chapter →While Pods are the basic execution unit, they are usually managed by controllers that maintain a desired state. A ReplicaSet ensures a stable set of identical Pods and reconciles t...
Read full chapter →A Service is an abstraction that defines a logical set of Pods and a policy to access them, typically through a stable virtual IP and DNS name. Services discover their backend Pods...
Read full chapter →A Namespace is a logical partition within a cluster used to divide resources between multiple users, teams, or environments and to enforce a scope for names and policies. When a re...
Read full chapter →A Kubernetes cluster is composed of a control plane and a set of worker Nodes. A Node is a worker machine (physical or virtual) where Pods run, identified by metadata.name, address...
Read full chapter →Resource consumption in a Pod is governed by the distinction between requests and limits. Requests are the amount of a resource guaranteed to a container for scheduling purposes, w...
Read full chapter →A ServiceAccount provides an identity for processes running in a Pod, used to authenticate to the API server and to be authorized by RBAC. Every namespace has a default ServiceAcco...
Read full chapter →The official command-line client for Kubernetes is kubectl, which interacts with the API server to perform CRUD operations on resources and stream logs or exec sessions. Common com...
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