
Need to automate
```
kubeadm certs renew all
```
https://kubernetes.io/docs/tasks/administer-cluster/kubeadm/kubeadm-certs/#check-certificate-expiration
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Need to automate
https://kubernetes.io/docs/tasks/administer-cluster/kubeadm/kubeadm-certs/#check-certificate-expiration
and/or saner setup for managing kubeadm (or dedicated kube OS) instead, cc #85