Certificates

Exercise 🔗

In this exercise, you’ll learn how to check the validity of the cluster’s certificates and renew them using kubeadm.

1. Check the current certificate expiration dates

2. Renew the certificates

3. Restart the control plane components

4. Verify the cluster is working correctly

Documentation 🔗

https://kubernetes.io/docs/tasks/administer-cluster/kubeadm/kubeadm-certs/