Adding Nodes to the Kubernetes Cluster Times Out

Symptom

Adding a node to the Kubernetes cluster times out, and the messages "execution phase kubelet-start" and "timed out waiting for the condition" are displayed.

Key Process and Cause Analysis

The kubelet service is damaged.

Conclusion and Solution

1. Run the following command to reset kubeadm:

   kubeadm reset
   systemctl daemon-reload
   systemctl restart kubelet

2. Check the kubelet service status and ensure that the kubelet service is restored.

   systemctl status kubelet