preflight] Some fatal errors occurred: 	[ERROR Port-10250]: Port 10250 is in use [preflight] If you know what you are doing, you can make a check non-fatal with `--ignore-preflight-errors=...` error execution phase preflight k8s.io/kubernetes/cmd/kubeadm/app/cmd/phases/workflow.(*Runner).Run.func1 	cmd/kubeadm/app/cmd/phases/workflow/runner.go:260  

解决方法

• 在启动命令添加 --ignore-preflight-errors=Port-10250 sudo kubeadm init --config kubeadm-config.yaml --v=5 --ignore-preflight-errors=Port-10250

• 查看端口是否真的被占用了sudo lsof -i :10250，如果占用了kill -9 pid

• sudo kubeadm reset