In simpler terms, it serves as a management point for various tools to control and configure Kubernetes clusters through REST APIs. This is a RESTful interface for command-line tools such as kubectl, providing them a way to interact with the Kubernetes cluster. Its main purpose is to store configuration data that's accessible to each node in the Kubernetes cluster. It can be set up across more than one Kubernetes node. The most fundamental component of a Kubernetes cluster, etcd is a lightweight available configuration store. There are four major components of a control plane: The main purpose of the various components in the control plane is to maintain a record of all Kubernetes objects and to continuously manage the desired state of the cluster by automatically responding to changes. The master server acts as the control plane for the Kubernetes clusters. The master also manages pods, or a group of one or more containers that resides on nodes. A master server controls, manages and configures these node servers. The servers that run the containers - and the applications inside them - are called nodes. Basic Kubernetes architectureįirst, it's useful to understand the foundation of a Kubernetes system, which revolves around four important concepts: nodes, pods, deployments and services. Let's get started with the key steps and Kubernetes commands for a basic Kubernetes implementation. However, once it's up and running, it is highly configurable, and serves as the engine for an organization's modern IT efforts. Kubernetes, the de facto technology for container management and orchestration, is renowned for being complex to set up and implement.
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