Renew Kubernetes Cert
Check client cert
Bash
cat ~/.kube/config | grep client-certificate-data | awk '{print $2}' | base64 -d | openssl x509 -text
If your kubernetes certs expired (1 yr is default)
Warning
Unable to connect to the server: x509: certificate has expired or..
Check and Renew
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On control plane:
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Check
- Renew
Reboot control plane