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#controlplane

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Continued thread

It lives! And that's a good stopping point for tonight.

The fix was related to the error message I got before, which is good. I ran this command:

kubeadm init phase upload-certs --upload-certs

which then provided me with a certificate key.

From there, I could join the cluster with the join command and another argument for --certificate-signing-key. The full k8s control plane join command looked like this:

kubeadm join k-control-plane-1.homelab:6443 --token abcdef.01234567890123456 --discovery-token-ca-cert-hash sha256:<snip> --control-plane --certificate-key <key>