CKAD march22 day1

[sudo] password for student:
root@worker1:~# history
    1  git clone https://github.com/sandervanvugt/cka
    2  cd cka
    3  ./setup-container.sh
    4  ./setup-kubetools.sh
    5  kubeadm join 192.168.29.138:6443 --token y8o8ro.7s54dcqkvidmqrkg --discovery-token-ca-cert-hash sha256:ebf8e84beee89cc71e6cfcf17c3772bfdf49149d1a8efe71ddeee5f623bee313
    6  mkdir /etc/kubernetes/static
    7  cd /etc/kubernetes/static/
    8  vim auto-web.yaml
    9  ps aux | grep kubelet
   10  cd /etc/kubernetes/
   11  ls
   12  cat kubelet.conf
   13  ps aux | grep kubelet
   14  vim /var/lib/kubelet/config.yaml
   15  ls manifests/
   16  systemctl restart kubelet
   17  exit
   18  history
root@worker1:~# grep taticPod /var/lib/kubelet/config.yaml
staticPodPath: /etc/kubernetes/static


student@control:~/cka$ history
    1  cat /etc/hosts
    2  free -m
    3  sudo vim /etc/fstab
    4  swapoff /swap.img
    5  sudo swapoff /swap.img
    6  free -m
    7  sudo -i
    8  sudo cp -i /etc/kubernetes/admin.conf $HOME/.kube/config
    9  sudo chown $(id -u):$(id -g) $HOME/.kube/config
   10  kubectl get all
   11  kubectl apply -f https://docs.projectcalico.org/manifests/calico.yaml
   12  kubectl get ns
   13  kubectl get pods -A
   14  cat /tmp/todo.txt
   15  kubectl get nodes
   16  history
   17  git clone https://github.com/sandervanvugt/cka
   18  cka/counter.sh 15
   19  cd cka
   20  ls
   21  ./counter.sh 15
   22  sudo -i
   23  kubectl get nodes
   24  history
   25  wget https://docs.projectcalico.org/manifests/calico.yaml
   26  vim calico.yaml
   27  kubectl get daemonset
   28  kubectl get daemonset -A
   29  kubectl get pods -A
   30  kubectl get pods -A -o wide
   31  kubectl get pods -A -o wide |  grep calico
   32  history
   33  kubectl create ns mynamespace
   34  kubectl run alpine --image=alpine -- sleep 3600 -n mynamespace
   35  kubectl get pods -A
   36  kubectl run alpine --image=alpine -n mynamespace -- sleep 3600
   37  kubectl get pods -A
   38  kubectl completion -h
   39  source <(kubectl completion bash)
   40  kubectl describe pod alpine
   41  kubectl logs alpine
   42  kubectl run alpine --image=alpine -- sleep 3600 -n mynamespace
   43  kubectl delete pod alpine
   44  ./counter.sh 15
   45  vim bi-doesnwork.yaml
   46  kubectl create -f bi-doesnwork.yaml
   47  kubectl get all
   48  kubectl get pods -A
   49  history | grep calico
   50  ./counter.sh 5
   51  vim knabc.yaml
   52  vim ex4.yaml
   53  kubectl run blah --image=busybox --dry-run=client -o yaml -- mkdir /data; touch /data/myfile.txt
   54  kubectl run blah --image=busybox --dry-run=client -o yaml -- "mkdir /data; touch /data/myfile.txt"
   55  vim ex4.yaml
   56  kubectl create -f ex4.yaml
   57  kubectl get pods
   58  kubectl delete -f ex4.yaml
   59  vim ex4.yaml
   60  kubectl create -f ex4.yaml
   61  kubectl get pods
   62  kubectl describe pod init-demo
   63  vim ex4.yaml
   64  kubectl delete pod init-demo
   65  kubectl create -f ex4
   66  kubectl create -f ex4.yaml
   67  kubectl get pods
   68  kubectl describe pod init-demo
   69  kubectl delete pod init-demo
   70  vim ex4.yaml
   71  kubectl create -f ex4.yaml
   72  kubectl get pods
   73  kubectl describe pod init-demo
   74  kubectl delete pod init-demo
   75  vim ex4.yaml
   76  kubectl create -f ex4.yaml
   77  kubectl get pods
   78  kubectl delete pod init-demo
   79  vim ex4.yaml
   80  kubectl create -f ex4.yaml
   81  kubectl get pods
   82  vim ex4.yaml
   83  kubectl describe pod init-demo
   84  vim ex4.yaml
   85  kubectl delete pod init-demo
   86  kubectl create -f ex4.yaml
   87  kubectl get pods
   88  vim ex4.yaml
   89  ./counter.sh 18
   90  ./counter.sh 7
   91  sudo -i
   92  kubectl get pods
   93  kubectl --help | less
   94  kubectl cordon --help | less
   95  kubectl drain --help | less
   96  kubectl get pods -A
   97  kubectl get pods -A -o wide
   98  kubectl drain worker2
   99  kubectl drain worker2 --ignore-daemonsets --force
  100  kubectl get pods -o wide -A
  101  kubectl describe node worker2
  102  kubectl describe node worker2 | less
  103  kubectl get nodes
  104  kubectl uncordon worker2
  105  ./counter.sh 12
  106  ./counter.sh 5
  107  kubectl get nodes
  108  ls -l ~/.kube/
  109  sudo cp /etc/kubernetes/admin.conf ~/.kube/config
  110  ls -l ~/.kube/
  111  chown student:student ~/.kube/config
  112  sudo chown student:student ~/.kube/config
  113  ls -l ~/.kube/
  114  kubectl get nodes
  115  kubectl edit node control
  116  kubectl create deploy --image=nginx --replicas=3 tttest
  117  kubectl get pods -o wide
  118  kubectl config view
  119  vim ~/.kube/config
  120  kubectl label nodes worker2 disktype=ssd
  121  kubectl get nodes --show-labels
  122  vim selector-pod.yaml
  123  kubectl apply -f selector-pod.yaml
  124  kubectl get pods -o wide
  125  kubectl delete pod nginx
  126* kubectl label node worker2 disktype=ssd
  127  kubectl edit node worker2
  128  kubectl apply -f selector-pod.yaml
  129  kubectl get pods
  130  kubectl describe pod nginx
  131  kubectl label nodes worker2 disktype=ssd
  132  kubectl get pods
  133  kubectl get daemonset
  134  kubectl get daemonset -A
  135  kubectl get daemonset -n kube-system calico-node -o yaml | less
  136  kubectl taint nodes worker1 example-key=value1:NoSchedule
  137  kubectl describe nodes worker1 | less
  138  kubectl create deploy nginx-taint --image=nginx --replicas=3
  139  kubectl get pods --selector app=nginx-taint
  140  kubectl get pods --selector app=nginx-taint -o wide
  141  vim taint-toleration.yaml
  142  kubectl create -f taint-toleration.yaml
  143  kubectl get pods -o wide | grep tolera
  144  kubectl get pods -o wide
  145  ./counter.sh 5
  146  kubectl edit node worker1
  147  history