查看组件状态：
kubectl get cs
报错：
controller-manager Unhealthy Get "http://127.0.0.1:10252/healthz": dial tcp 127.0.0.1:10252: connect: connection refused
scheduler Unhealthy Get "http://127.0.0.1:10251/healthz": dial tcp 127.0.0.1:10251: connect: connection refused
处理：
vim /etc/kubernetes/manifests/kube-controller-manager.yaml
vim /etc/kubernetes/manifests/kube-scheduler.yaml
注释掉- --port=0
重启systemctl restart kubelet
- 10252 quot connection 127 healthz10252 quot connection 127 server socket quot connections messagingexception quot exception connect healthz quot multiprocessing connection oserror quot connection decoding docker err_proxy_connection_failed quot connection quot connection attributes truncated quot ansible changed connect quot connected filter rust