Per the k3s docs here, copy the /etc/rancher/k3s/k3s.yaml from your controller to your local machine at ~/.kube/config.
Change the server ip to it’s actual ip, and then should be able to use kubectl against the remote cluster.

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Per the k3s docs here, copy the /etc/rancher/k3s/k3s.yaml from your controller to your local machine at ~/.kube/config.
Change the server ip to it’s actual ip, and then should be able to use kubectl against the remote cluster.