The login voucher for the ROOT account of the master node and the Kubectl, Kubeadm command line to make up

All of the following operations are operated on the master node.

sudo bash -c "echo 'export KUBECONFIG=/etc/kubernetes/admin.conf' >> /root/.bash_profile"

sudo bash -c "echo 'source <(kubeadm completion bash)' >> /root/.bash_profile"

sudo bash -c "echo 'source <(kubectl completion bash)' >> /root/.bash_profile"

Configure each client node Student account configuration login voucher and Kubectl and Kubeadm command lines.

export CLIENTS=“k8s-master k8s-node1 k8s-node2 client”

for client in $CLIENTS;do ssh $client mkdir ~/.kube;done

sudo cp /etc/kubernetes/admin.conf /home/student/.kube/config

sudo cp /etc/kubernetes/pki/ca.crt /home/student/.kube/

sudo chown student.student ~/.kube/*

for x in k8s-node1 k8s-node2 client;do scp ~/.kube/* $x:~/.kube/;done

for client in $CLIENTS;do ssh $client "echo 'source <(kubeadm completion bash)' >> ~/.bash_profile";done

for client in $CLIENTS;do ssh $client "echo 'source <(kubectl completion bash)' >> ~/.bash_profile";done

source ~/.bash_profile

test

TAB key supplement the test.

student@client:~$ kubectl 
annotate       auth           config         delete         exec           kustomize      plugin         run            uncordon
api-resources  autoscale      cordon         describe       explain        label          port-forward   scale          version
api-versions   certificate    cp             diff           expose         logs           proxy          set            wait
apply          cluster-info   create         drain          get            options        replace        taint          
attach         completion     debug          edit           help           patch          rollout        top            
student@client:~$ 
student@client:~$ 
student@client:~$ kubeadm 
certs       completion  config      help        init        join        kubeconfig  reset       token       upgrade     version