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I have configured one Ubuntu system (192.168.1.2) to be a master and minion.

Another Ubuntu machine to be a minion (192.168.1.3). I performed upgrade on Ubuntu machine that was both master and minion and rebooted the system.

Now when I perform:

kubectl get nodes

The node (192.168.1.2) is down.

I went through the documentation but could not find any documentation that explains how to add back the lost nodes.

I need some help to understand how to bring the node back into the Kubernetes cluster. Is there any script to do so?

Thanks

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I am not aware of any script, but here are a few basic things might help:

  1. Please ensure that kubelet and docker services are running on the node in question.
  2. Run kubectl describe node <nodename> to get additional details.
  3. Get the logs of kubelet service if it is already running by executing journalctl -u kubelet
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