kubeadm 搭建 k8s 时用到的常用命令汇总

简单记录一下

kubeadm config images list 

修改镜像名称
docker tag registry.cn-hangzhou.aliyuncs.com/google_containers/kube-apiserver:v1.21.0               k8s.gcr.io/kube-apiserver:v1.21.0
docker tag registry.cn-hangzhou.aliyuncs.com/google_containers/kube-proxy:v1.21.0               k8s.gcr.io/kube-proxy:v1.21.0
docker tag registry.cn-hangzhou.aliyuncs.com/google_containers/kube-scheduler:v1.21.0               k8s.gcr.io/kube-scheduler:v1.21.0
docker tag registry.cn-hangzhou.aliyuncs.com/google_containers/kube-controller-manager:v1.21.0               k8s.gcr.io/kube-controller-manager:v1.21.0
docker tag registry.cn-hangzhou.aliyuncs.com/google_containers/coredns/coredns:v1.8.0                k8s.gcr.io/coredns/coredns:v1.8.0
docker tag registry.cn-hangzhou.aliyuncs.com/google_containers/pause:3.4.1                 k8s.gcr.io/pause:3.4.1
docker tag registry.cn-hangzhou.aliyuncs.com/google_containers/etcd:3.4.13-0              k8s.gcr.io/etcd:3.4.13-0

for i in `docker images |grep -v REP |grep ^k8s  |awk '{print $1}'` ; do j=`docker images |grep $i |awk '{print $2}'`  && docker save $i:$j > ${i##*/}.tar ; done

for i in `ls` ; do docker load < $i ; done

kubeadm config print init-defaults  > kubeadm-config.yaml

kubeadm token create  --print-join-command

kubectl  describe secret -n kubernetes-dashboard |grep admin-user-token -A 14