修改kubectl的配置文件，添加要管理的集群的cluster，context，user配置，可以参考如下内容：

apiVersion: v1
clusters:
- cluster:
    certificate-authority: /Users/liangtianyu/.minikube/ca.crt
    server: https://192.168.64.26:8443
  name: minikube
- cluster:
    certificate-authority-data: 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
    server: https://10.211.55.9:6443
  name: kubernetes
contexts:
- context:
    cluster: minikube
    user: minikube
  name: minikube
- context:
    cluster: kubernetes
    user: system:node:m1.easynetcn.com
  name: system:node:m1.easynetcn.com@kubernetes
current-context: system:node:m1.easynetcn.com@kubernetes
kind: Config
preferences: {}
users:
- name: minikube
  user:
    client-certificate: /Users/liangtianyu/.minikube/profiles/minikube/client.crt
    client-key: /Users/liangtianyu/.minikube/profiles/minikube/client.key
- name: system:node:m1.easynetcn.com
  user:
    client-certificate: /Users/liangtianyu/.kube/kubernetes/kubelet-client-current.pem
    client-key: /Users/liangtianyu/.kube/kubernetes/kubelet-client-current.pem