#!/usr/bin/env bash sudo apt update sudo apt install -y curl ufw allow 6443/tcp ufw allow from 10.42.0.0/16 to any ufw allow from 10.43.0.0/16 to any curl -sfL https://get.k3s.io | INSTALL_K3S_EXEC="server --server https://$UPSTREAM_HOSTNAME:6443 --token $K3S_TOKEN --disable servicelb" sh -s -