k8s1.26 controller noready

 https://blog.csdn.net/zhonglinzhang/article/details/77767847

https://www.cnblogs.com/xingyys/p/11574597.html

https://github.com/Kevin-fqh/learning-k8s-source-code/blob/master/kubelet/(05)kubelet资源上报&Evition机制.md

https://kubernetes.io/docs/tasks/configure-pod-container/pull-image-private-registry/

https://kubernetes.io/docs/tasks/administer-cluster/kubeadm/kubeadm-upgrade/

https://imroc.cc/kubernetes/best-practices/graceful-shutdown/prestop

https://www.alibabacloud.com/help/en/ack/ack-managed-and-ack-dedicated/user-guide/dns-troubleshooting-1