Become root.
sudo su
Install k3sup.
curl -sLS https://get.k3sup.dev | sh
Become regular user.
exit
Get Kubernetes config (replacing MASTER_IP with the IP address of the master).
k3sup install --ip MASTER_IP --user pi --skip-install
Copy kubeconfig to ~/.kube
cp kubeconfig ~/.kube/config.k3s
Set KUBECONFIG environment variable.
export KUBECONFIG=~/.kube/config.k3s
Verify it works.
kubectl get nodes
Posted February 11th, 2020