minikube以及如何调试api服务器错误

Question

我不明白minikube发生了什么。以下是我为解决apiserver停止问题而采取的步骤。
1）我不知道为什么API服务器停止。我该如何调试？这个文件夹是空的：

 --> EMPTY ~/.minikube/logs/

2）停止后，我再次开始，minikube说一切都很好。我进行状态检查，并得到apiserver：错误。所以...没有日志..我该如何调试？

3）最后会导致和apiserver错误的原因是什么？

谢谢

~$ minikube status
host: Running
kubelet: Running
apiserver: Stopped
kubectl: Correctly Configured: pointing to minikube-vm at 192.168.99.100~$ 

~$ minikube stop
Stopping local Kubernetes cluster...
Machine stopped.
~$ minikube start
Starting local Kubernetes v1.12.4 cluster...
Starting VM...
Getting VM IP address...
Moving files into cluster...
Setting up certs...
Connecting to cluster...
Setting up kubeconfig...
Stopping extra container runtimes...
Machine exists, restarting cluster components...
Verifying kubelet health ...
Verifying apiserver health .....Kubectl is now configured to use the cluster.
Loading cached images from config file.


Everything looks great. Please enjoy minikube!


~$ minikube status
host: Running
kubelet: Running
apiserver: Error