CKA marc23 day1

student@control:~/cka$ history
    1  ip a
    2  git clone https://github.com/sandervanvugt/cka
    3  cd cka
    4  ls *sh
    5  less setup-container.sh
    6  ./setup-container.sh
    7  ls
    8  ls *sh
    9  vim setup-kubetools-specific-version.sh
   10  sudo ./setup-kubetools-specific-version.sh
   11  sudo kubeadm --help
   12  sudo kubeadm init
   13  mkdir -p $HOME/.kube
   14  kubectl get all
   15  kubectl get pods -n kube-system
   16  ls
   17  kubectl apply -f https://raw.githubusercontent.com/projectcalico/calico/v3.25.0/manifests/calico.yaml
   18  kubectl get pods -n kube-system
   19  kubectl get nodes
   20  kubectl create deploy testapp --image=nginx --replicas=3
   21  kubectl get all
   22  history
   23  echo AFTER COMMAND 13: run : sudo cp /etc/kubernetes/admin.conf ~/.kube/config; sudo chown $USER:$USER ~/.kube/config
   24  vim wz.yaml
   25  kubectl create ns mynamespace
   26  kubectl run task2pod --image=alpine -n mynamespace -- sleep 3600
   27  source <(kubectl completion bash)
   28  kubectl get pods -n mynamespace
   29  kubectl get pods -n mynamespace -o yaml | less
   30  history
   31  vim rp.yaml
   32  kubectl apply -f rp.yaml
   33  kubectl get pods
   34  kubectl describe pod task3pod
   35  vim wzz.yaml
   36  kubectl delete pod task3pod
   37  kubectl apply -f wzz.yaml
   38  kubectl get pods
   39  kubectl explain pod.spec.containers.spec.args
   40  kubectl apply -f wzz.yaml
   41  vim wzz.yaml
   42  kubectl explain pod.spec.containers.args
   43  cat wzz.yaml
   44  kubectl get quota
   45  kubectl create ns limited
   46  kubectl create quota qtest --hard pods=3,cpu=100m,memory=500Mi -n limited
   47  kubectl create quota -n limited
   48  kubectl describe quota -n limited
   49  kubectl create deployt nginx --image=nginx --replicas=3 -n limited
   50  kubectl create deploy nginx --image=nginx --replicas=3 -n limited
   51  kubectl get all -n limited
   52  kubectl describe replicaset.apps/nginx-76d6c9b8c
   53  kubectl describe replicaset.apps/nginx-76d6c9b8c -n limited
   54  kubectl set resources -n limited deploy nginx --request cpu=100m,memory=5Mi --limits cpu=200m,memory=20Mi -n limited
   55  kubectl set resources -n limited deploy nginx --requests cpu=100m,memory=5Mi --limits cpu=200m,memory=20Mi -n limited
   56  kubectl get all -n limited
   57  kubectl describe quota -n limited
   58  kubectl edit quota -n limited
   59  kubectl get all -n limited
   60  kubectl describe quota -n limited
   61  kubectl get all -n limited
   62  kubectl scale deploy -n limited nginx --replicas=3
   63  kubectl scale deploy -n limited nginx --replicas=2
   64  kubectl scale deploy -n limited nginx --replicas=3
   65  kubectl get all -n limited
   66  history
   67  vim ts.yaml
   68  cat ts.yaml
   69  kubectl create ns restricted
   70  kubectl create quota qrestricted --hard pods=3,memory=1000Mi -n restricted
   71  kubectl describe quota qrestricted -n restricted
   72  kubectl reate deploy task7deploy --image=nginx --replicas=3 -n restricted
   73  kubectl create deploy task7deploy --image=nginx --replicas=3 -n restricted
   74  kubectl get all -n restricted
   75  kubectl set resources -n restricted deploy task7deploy
   76  kubectl set resources -n restricted deploy task7deploy --requests cpu=100m,memory=5Mi --limits cpu=200m,memory=20Mi
   77  kubectl get all -n restricted
   78  history
   79  kubectl get deploy -n restricted
   80  kubectl get deploy -n restricted -o yaml
   81  kubectl get nodes
   82  kubectl label nodes worker2 disktype=ssd
   83  vim selector-pod.yaml
   84  kubectl label nodes worker2 disktype-
   85  kubectl apply -f selector-pod.yaml
   86  kubectl get pods
   87  kubectl describe pod nginx
   88  kubectl label nodes worker2 disktype=ssd
   89  kubectl get pods
   90  kubectl get nodes --show-labels
   91  kubectl edit node control
   92  kubectl get pods -n kube-system -o wide
   93  kubectl get ds -n kube-system calico-node -o yaml | less
   94  kubectl create deploy ttest --image=nginx --replicas=20
   95  kubectl get pods -o wide
   96  kubectl delete deployments.apps ttest
   97  kubectl taint nodes worker1 example-key=value1:NoSchedule
   98  kubectl describe node worker1
   99  kubectl create deploy nginx-taint --image=nginx
  100  kubectl scale deployment nginx-taint --replicas 3
  101  kubectl get pods -o wide
  102  vim taint-toleration.yaml
  103  kubectl apply -f taint-toleration.yaml
  104  kubectl get pods -o wide
  105  kubectl apply -f taint-toleration.yaml
  106  vim taint-toleration.yaml
  107  kubectl delete -f taint-toleration
  108  kubectl delete -f taint-toleration.yaml
  109  kubectl apply -f taint-toleration.yaml
  110  kubectl get pods -o wide
  111  kubectl edit node worker1
  112  history
  113  vim tg.yaml
  114  ./counter.sh 5
  115  vim tss.yaml
  116  kubectl apply -f tss.yaml
  117  vim tss.yaml
  118  kubectl apply -f tss.yaml
  119  kubectl get pods
  120  kubectl describe pod task4pod
  121  vim tss.yaml
  122  kubectl delete -f tss.yaml
  123  kubectl apply -f tss.yaml
  124  kubectl get pods
  125  vim tss.yaml
  126  touch --help
  127  kubectl delete -f tss.yaml
  128  vim tss.yaml
  129  kubectl apply -f tss.yaml
  130  kubectl get pods
  131  vim tss.yaml
  132  vim resize_pvc.yaml
  133  kubectl apply -f resize_pvc.yaml
  134  kubectl edit pvc -n myvol
  135  kubectl explain --recursive persistentvolumeclaim
  136  kubectl explain --recursive persistentvolumeclaim | less
  137  kubectl explain --recursive storageclass | less
  138  kubectl edit pvc -n myvol
  139  ./counter.sh 11
  140  kubectl get pods -n kube-system
  141  kubectl get pods -n kube-system calico-node-zpb6d -o yaml
  142  kubectl get pods -n roles --as=system:serviceaccount:roles:calico-node
  143  kubectl get clusterroles
  144  kubectl get clusterroles | grep calico
  145  kubectl get clusterroles calico-node -o yaml
  146  kubectl get clusterroles calico-node -o yaml | less
  147  kubectl get clusterrolebindings
  148  kubectl get clusterrolebindings | grep calico
  149  kubectl describe clusterrolebindings.rbac.authorization.k8s.io calico-node
  150  kubectl create sa --help | less
  151  kubectl create sa sander
  152  kubectl create role -h | less
  153  kubectl create role sanderrole --verb=get --verb=list --verb=watch --resource=pods
  154  kubectl describe role sanderrole
  155  kubectl create rolebinding -h | less
  156  kubectl create rolebinding sanderrolebinding --role=sanderrole --serviceaccount=default:sander
  157  kubectl describe rolebindings.rbac.authorization.k8s.io sanderrolebinding
  158  history
  159  vim wzzz.yaml
  160  ./counter.sh 0
  161  history