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k0s

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description k0s Overview

k0s is an open-source, certified Kubernetes distribution designed to simplify the deployment and management of container orchestration clusters. Distributed as a single binary, it includes all required dependencies, eliminating the need for external components or complex host configurations. The platform supports automated bootstrapping and manages control plane components, making it suitable for edge computing, IoT deployments, and bare-metal servers. It is utilized by DevOps engineers and system administrators seeking a lightweight, resilient method for running Kubernetes across various infrastructure platforms.

help k0s FAQ

Is k0s a Kubernetes distribution or a different orchestrator?

k0s is a certified Kubernetes distribution, so it uses the standard Kubernetes API and ecosystem rather than introducing a separate orchestrator. Mirantis packages the required control-plane components into a single binary, with containerd used as the default runtime.

How is k0s different from k3s?

Both aim to simplify Kubernetes installation, but they are maintained by different companies and make different packaging choices. k0s comes from Mirantis and emphasizes a single self-contained binary, while k3s is a Rancher and SUSE project widely used for edge and lightweight clusters.

Can k0s run worker nodes without Kubernetes control-plane components?

Yes. k0s separates controller and worker roles, and a node can run only the worker components needed to host workloads. It also supports controller-plus-worker configurations when a smaller cluster needs both roles on the same machine.

What does k0sctl add to a k0s installation?

k0sctl is a cluster-management tool that can connect to machines, install k0s, apply a declarative configuration, and perform upgrades. It also supports operational tasks such as backup and restore, reducing the amount of node-by-node setup required.

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