How to renew ca.crt (signing authority) in Kubernetes masters?
We have very old cluster and It has ca.crt validity for only 5 Years and Now that is going to expire in few days.
Can anyone from this group can help me?
Thanks in advance
Cluster information:
Kubernetes version: v1.15
Cloud being used: (put bare-metal if not on a public cloud)
Installation method: kubeadm
Host OS: Redhat 7.9
CNI and version: kube-flannel
CRI and version: docker v18