This repo contains the deployments on my pi.
curl -sfL https://get.k3s.io | INSTALL_K3S_CHANNEL=latest INSTALL_K3S_SYMLINK=force INSTALL_K3S_SKIP_START=true K3S_KUBECONFIG_MODE=644 INSTALL_K3S_EXEC="--disable coredns --disable traefik" sh -
cp coredns-custom.yaml /var/lib/rancher/k3s/server/manifests/
sudo systemctl start k3s
kubectl apply -f coredns/
kubectl -n kube-system kill po coredns-<TAB>