---
tags: Kubernetes, Rancher
description: how to install Rancher.
robots: index, follow
---
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# Rancher install
* require minimal RKE2

wget https://get.helm.sh/helm-v3.9.0-linux-amd64.tar.gz
tar -zxvf helm-v3.9.0-linux-amd64.tar.gz
sudo mv linux-amd64/helm /usr/local/bin/helm

kubectl create ns cert-manager 
kubectl create namespace cattle-system

kubectl apply --validate=false -f https://github.com/cert-manager/cert-manager/releases/download/v1.8.1/cert-manager.crds.yaml

helm repo add jetstack https://charts.jetstack.io
helm repo add rancher-stable https://releases.rancher.com/server-charts/stable
helm repo update

helm install \
  cert-manager jetstack/cert-manager \
  --namespace cert-manager \
  --create-namespace \
  --version v1.8.1


helm install rancher rancher-stable/rancher \
  --namespace cattle-system \
  --set hostname=rancher.example.com \
  --set replicas=3