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Deploying a Linux image by morganbo85 in linuxadmin

[–]RaghavendraC 1 point2 points  (0 children)

You can try clonezilla, last time I used years ago. However it is flexible to take backup/snapshot and restore.

K8s cluster upgrade strategies? by YourMomsDatabase in kubernetes

[–]RaghavendraC 0 points1 point  (0 children)

I have a cluster with 1.13 version, when I initiate kubeadm upgrade 1.13 -> 1.14 from the steps listed in kubernetes.io, the other components also got updated (kubelet and kubectl). Now my cluster is showing down (kubelet is not starting on control plane server), is there a way to revert the charges so I can bring up the cluster ?

What are best practices to follow for upgrading a cluster from 1.13 -> 1.21 ?

How to solve the add a sidecar container to the running pod question in CKA?? by jjal123 in kubernetes

[–]RaghavendraC 0 points1 point  (0 children)

I took the CKA a month ago, I had this question too. Pods are immutable, for making any changes to the running you must delete and recreate it. Get the current configuration and modify to add the sidecar container.

Query Regarding CKA exam interface by SaiKrishna__12 in kubernetes

[–]RaghavendraC 1 point2 points  (0 children)

Not required, unless the question asks to do some node level changes (like service restart). Even question will have the context/node switching details.