CKA dec22 day1

student@control:~/cka$ history
    1  sudo apt install vim git -y
    2  git clone https://github.com/sandervanvugt/cka
    3  cd cka
    4  ls
    5  sudo ./setup-container.sh
    6  ls
    7  sudo ./setup-kubetools-specific-version.sh
    8  history
    9  sudo kubeadm init
   10  mkdir -p $HOME/.kube
   11  kubectl get all
   12  kubectl apply -f https://docs.projectcalico.org/manifests/calico.yaml
   13  history
   14  kubectl get nodes
   15  kubectl create deploy testginx --image=nginx --replicas=3
   16  source <(kubectl completion bash)
   17  kubectl get all
   18  ./counter.sh 20
   19  history
   20  sudo kubeadm token create --print-join-command
   21  sudo kubeadm --help | less
   22  kubectl create ns mynamespace
   23  kubectl run alpine --image alpine --command sleep 3600 --restart Always -n mynamespace
   24  kubectl run -h | less
   25  kubectl get pods
   26  kubectl get pods -n mynamespace
   27  kubectl get pods -n mynamespace -o yaml | less
   28  history
   29  ls
   30  history
   31  vim ah.yaml
   32  kubectl apply -f ah.yaml
   33  kubectl get pods
   34  vim ah.yaml
   35  history
   36  vim lab4.yaml
   37  kubectl apply -f lab4.yaml
   38  kubectl get pods
   39  cat lab4.yaml
   40  kubectl create ns limited
   41  kubectl create quota -h | less
   42  kubectl create quota qtest --hard pods=3,cpu=100m,memory=500Mi -n limited
   43  kubectl describe ns limited
   44  kubectl describe quota -n limited
   45  kubectl create deploy nginx --image=nginx --replicas=3 -n limited
   46  kubectl get all -n limited
   47  kubectl describe -n limited replicasets.apps nginx-8f458dc5b
   48  kubectl set resources -h | less
   49  kubectl set resources -n limited deploy nginx --requests cpu=100m,memory=5Mi --limits cpu=200m,memory=20Mi
   50  kubectl get all -n limited
   51  kubectl describe ns limited
   52  kubectl edit quota -n limited
   53  kubectl describe ns limited
   54  kubectl scale deploy -n limited nginx --replicas=4
   55  kubectl scale deploy -n limited nginx --replicas=3
   56  kubectl describe ns limited
   57  kubectl set resources -n limited deploy nginx --requests cpu=100m,memory=5Gi --limits cpu=200m,memory=20Gi
   58  kubectl get all -n limited
   59  kubectl scale deploy -n limited nginx --replicas=0
   60  kubectl scale deploy -n limited nginx --replicas=3
   61  kubectl get all -n limited
   62  kubectl describe -n limited rs nginx-5bc7db48df
   63  history
   64  ./counter.sh 10
   65  history
   66  kubectl create deploy nginx-ex5 --image=nginx --replicas=2
   67  kubectl get all --selector app=nginx-ex5
   68  kubectl scale deployment nginx-ex5 --replicas=4
   69  kubectl get all --selector app=nginx-ex5
   70  history
   71  kubectl create deploy lab9 --image=nginx:1.14 --replicas=4 --dry-run=client -o yaml > lab9.yaml
   72  vim lab9.yaml
   73  kubectl explain deploy.spec.strategy
   74  kubectl explain --recursive deploy.spec.strategy
   75  kubectl explain deploy.spec.strategy
   76  vim lab9.yaml
   77  kubectl apply -f lab9.yaml
   78  kubectl explain deployment.spec
   79  kubectl explain deployment.spec.strategy
   80  kubectl apply -f lab9.yaml
   81  vim lab9.yaml
   82  kubectl apply -f lab9.yaml
   83  kubectl set image deploy lab9 nginx=nginx:latest
   84  kubectl rollout history deploy lab9
   85  kubectl rollout undo deploy lab9
   86  history
   87  vim nwpolicy-complete-example.yaml
   88  kubectl apply -f nwpolicy-complete-example.yaml
   89  kubectl expose pod nginx --port=80
   90  kubectl exec -it busybox -- wget --spider --timeout=1 nginx
   91  kubectl label pod busybox access=true
   92  kubectl exec -it busybox -- wget --spider --timeout=1 nginx
   93  kubectl create ns nwp-namespace
   94  vim nwp-lab9-1.yaml
   95  kubectl create -f nwp-lab9-1.yaml
   96  kubectl expose pod nwp-nginx --port=80
   97  kubectl exec -it nwp-busybox -n nwp-namespace -- wget --spider --timeout=1 nwp-nginx
   98  kubectl exec -it nwp-busybox -n nwp-namespace -- nslookup nwp-nginx
   99  kubectl exec -it nwp-busybox -n nwp-namespace -- nslookup nwp-nginx.default.svc.cluster.local
  100  kubectl exec -it nwp-busybox -n nwp-namespace -- wget --spider --timeout=1 nwp-nginx.default.svc.cluster.local
  101  vim nwp-lab9-2.yaml
  102  kubectl create -f nwp-lab9-2.yaml
  103  kubectl exec -it nwp-busybox -n nwp-namespace -- wget --spider --timeout=1 nwp-nginx.default.svc.cluster.local
  104  kubectl create deployment busybox --image=busybox -- sleep 3600
  105  kubectl exec -it busybox-6588d4995c-hwqxl -- wget --spider --timeout=1 nwp-nginx
  106  history
  107  vim lab9.yaml
  108  vim lab9ah.yaml
  109  vim lab9-ab.yaml
  110  kubectl get ns default -o yaml
  111  vim lab9.yaml
  112  ls lab*
  113  cat lesson9lab.yaml
  114  kubectl get nodes
  115  kubectl drain -h | less
  116  kubectl get pods -o wide
  117  kubectl drain worker2
  118  kubectl drain worker2 --ignore-daemonsets --force
  119  kubectl get pods -o wide
  120  #kubectl drain worker2
  121  kubectl get nodes
  122  kubectl describe node worker2 | less
  123  kubectl uncordon node worker2
  124  kubectl uncordon worker2
  125  kubectl get nodes
  126  history
  127  kubectl get nodes
  128  kubectl get pods -o wide
  129  kubectl create deploy manyginx --image=nginx --replicas=8
  130  kubectl get pods -o wide
  131  sudo ls -l /etc/kubernetes/manifests
  132  sudo less /etc/kubernetes/manifests/etcd.yaml
  133  kubectl run myweb --image=nginx --dry-run=client -o yaml
  134  kubectl get pods -o wide
  135  history