cka day2 nov20

    1   mkdir -p $HOME/.kube
    2    sudo cp -i /etc/kubernetes/admin.conf $HOME/.kube/config
    3  ls -l .kube/config
    4  sudo chmod student:student .kube/config
    5  sudo chown student:student .kube/config
    6  exit
    7  kubectl apply -f "https://cloud.weave.works/k8s/net?k8s-version=$(kubectl version | base64 | tr -d '\n')"
    8  kubectl get pods -A
    9  kubectl get nodes
   10  exit
   11  kubectl get nodes
   12  kubectl get all -n kube-system -o wide
   13  ip a
   14  exit
   15  kubectl get nodes -o wide
   16  ssh root@192.168.4.105
   17  cka/counter.sh 12
   18  sudo useradd anna && sudo cd /home/anna
   19  pwd
   20  su -
   21  cd /home/anna
   22  sudo chmod 777 /home/anna
   23  kubectl config set-credentials anna --client-certificate=/home/anna/.certs/anna.crt --client-key=/home/anna/.certs/anna.key
   24  ls
   25  pwd
   26  cd /home/anna
   27  kubectl config set-credentials anna --client-certificate=/home/anna/.certs/anna.crt --client-key=/home/anna/.certs/anna.key
   28  mkdir .kube
   29  sudo cp /etc/kubernetes/admin.conf /home/anna/.kube/config
   30  vim .kube/config
   31  sudo vim .kube/config
   32  sudo chown -R anna /home/anna
   33  ls -al
   34  sudo chown -R anna:anna /home/anna
   35  ls -al
   36  cd .kube/
   37  ls
   38  ls -a
   39  ls -al
   40  cd
   41  pwd
   42  cd cka/
   43  ls
   44  vim podacessrole.yaml
   45  kubectl create -f podacessrole.yaml
   46  kubectl get role
   47  kubectl get role -A
   48  vim rolebinding.yaml
   49  kubectl create -f rolebinding.yaml
   50  kubectl run rolepod --image=nginx
   51  kubectl get pdos
   52  kubectl get pods
   53  kubectl can-i get pods
   54  kubectl can -h
   55  su - anna
   56  kubectl auth -h
   57  kubectl auth can-i -h
   58  kubectl auth can-i get pods
   59  kubectl auth can-i get pods --as anna
   60  sudo passwd anna
   61  su - anna
   62  ls
   63  cat podacessrole.yaml
   64  cat rolebind
   65  cat rolebinding.yaml
   66  kubectl get nodes --show-labels
   67  kubectl lab nodes worker2.example.com disktype=ssd
   68  kubectl label nodes worker2.example.com disktype=ssd
   69  vim selector-pod.yaml
   70  kubectl apply -f selector-pod.yaml
   71  kubectl get pods -o wide
   72  kubectl taint nodes worker1.example.com example-key=value1:NoSchedule
   73  kubectl describe nodes worker1.example.com
   74  kubectl describe nodes worker1.example.com | less
   75  kubectl create deployment nginx-taint --image=nginx
   76  kubectl scale deployment nginx-taint --replicas=3
   77  kubectl get pods -o wide
   78  vim taint-toleration.yaml
   79  kubectl create -f taint-toleration.yaml
   80  kubectl get pods -o wide
   81  kubectl describe nodes control1.example.com
   82  kubectl describe nodes control1.example.com | less
   83  history