安装metrics-server

wget  https://github.com/kubernetes-sigs/metrics-server/releases/latest/download/components.yaml
sed -i "s#k8s.gcr.io/metrics-server#registry.cn-hangzhou.aliyuncs.com/chenby#g" components.yaml

vim +140 components.yaml  #忽略https  x509错误
- --kubelet-insecure-tls

kubectl apply -f components.yaml

[root@k8s-master01 ~]# kubectl top node k8s-master01
NAME           CPU(cores)   CPU%   MEMORY(bytes)   MEMORY%
k8s-master01   109m         5%     2083Mi          56%
[root@k8s-master01 ~]#