# Tutorial: Installing Rancher on a High-Availability k3s Cluster

DevFeed: [Tutorial: Installing Rancher on a High-Availability k3s Cluster](<https://devfeed.tech/articles/high-availability-k3s-kubernetes-in-minutes-10583.md>)

Original publisher: [Read original article](<https://technotim.com/posts/k3s-ha-install/>)

Author: Techno Tim

Published: 2020-12-19T14:00:00Z

Content type: tutorial

Language: en

Sources: [Techno Tim](<https://devfeed.tech/sources/techno-tim.md>)

Topics: [k3s](<https://devfeed.tech/topics/k3s.md>), [Kubernetes](<https://devfeed.tech/topics/kubernetes.md>), [rancher](<https://devfeed.tech/topics/rancher.md>), [Homelab](<https://devfeed.tech/topics/homelab.md>), [configuration](<https://devfeed.tech/topics/configuration.md>)

Tags: [clusters](<https://devfeed.tech/tags/clusters.md>), [health](<https://devfeed.tech/tags/health.md>), [helm](<https://devfeed.tech/tags/helm.md>), [high-availability](<https://devfeed.tech/tags/high-availability.md>), [homelab](<https://devfeed.tech/tags/homelab.md>), [install](<https://devfeed.tech/tags/install.md>), [k3s](<https://devfeed.tech/tags/k3s.md>), [kubernetes](<https://devfeed.tech/tags/kubernetes.md>), [load-balancer](<https://devfeed.tech/tags/load-balancer.md>), [rancher](<https://devfeed.tech/tags/rancher.md>), [tutorial](<https://devfeed.tech/tags/tutorial.md>)

## AI overview

A step-by-step tutorial for installing Rancher on an existing high-availability k3s cluster. It covers configuring a load balancer, installing Helm and cert-manager, configuring Rancher, using the GUI, scaling the cluster, and setting up health and liveness checks.

## Source excerpt

Are you running Kubernetes in your homelab or in the enterprise? Do you want an easy way to manage and create Kubernetes clusters? Do you want high availability Rancher? Join me as we walk through stalling Rancher on an existing high availability k3s cluster in this step-by-step tutorial.We install Rancher, configure a load balancer, install and configure helm, install cert-manager, configure ...