k8s Init:ImagePullBackOff 的解决方法
kubectl describe po (pod名字) -n kube-system 可查看pod所在的节点信息
例如： kubectl describe po calico-node-2lcxx -n kube-system
执行拉取前先把用到的节点的源换了
sudo mkdir -p /etc/docker
sudo tee /etc/docker/daemon.json <<-'EOF'
{"registry-mirrors": ["https://docker.m.daocloud.io","https://p5lmkba8.mirror.aliyuncs.com","https://registry.docker-cn.com"]
}
EOF
sudo systemctl daemon-reload
sudo systemctl restart docker