CKA day1 july21

[student@control .kube]$ history
    1  mkdir .kube
    2  sudo cp -i /etc/kubernetes/admin.conf .kube/config
    3  sudo chown student:student .kube/config
    4  kubectl get all
    5  kubectl apply -f "https://cloud.weave.works/k8s/net?k8s-version=$(kubectl version | base64 | tr -d '\n')"
    6  kubectl get pods -n kube-system
    7  exit
    8  kubectl get nodes
    9  ssh 192.168.29.125
   10  kubectl get nodes
   11  exit
   12  kubectl create -h | less
   13  kubectl create ns -h | less
   14  kubectl create ns mynamespace
   15  kubectl run -n mynamespace alpine --image=alpine --restart=Never -- /bin/sh -c 'sleep 3600'
   16  kubectl get pods
   17  kubectl get pods -n mynamespace
   18  kubectl get pods -o yaml -n mynamespace | less
   19  kubectl delete pods alpine -n mynamespace
   20  kubectl run -n mynamespace alpine --image=alpine --restart=Always -- /bin/sh -c 'sleep 3600'
   21  kubectl get pods -n mynamespace
   22  kubectl edit pod alpine -n mynamespace
   23  kubectl completion -h | less
   24  source <(kubectl completion bash)
   25  git clone https://github.com/sandervanvugt/cka
   26  cka/counter.sh 15
   27  kubectl run busybox --image=busybox
   28  kubectl get pods
   29  kubectl describe pod busybox
   30  vim jc.yaml
   31  kubectl run -h |
   32  kubectl run -h |less
   33  kubectl run busyfox --image=busybox --dry-run=client -o yaml --command -- sleep 3600
   34  kubectl create ns restricted
   35  kubectl create -h | less
   36  kubectl create quota -h | less
   37  kubectl create quota restricted --hard pods=3,memory=1Gi -n restricted
   38  kubectl describe quota restricted
   39  kubectl describe quota restricted -n restricted
   40  kubectl describe ns restricted
   41  kubectl create deployment newginx --image=nginx --replicas=3
   42  kubectl get all -n restricted
   43  kubectl delete deployments.apps newginx
   44  kubectl create deployment newginx --image=nginx --replicas=3 -n restricted
   45  kubectl get all -n restricted
   46  kubectl describe replicasets.apps newginx-645dff97c6 -n restricted
   47  kubectl get all -n restricted
   48  kubectl set -h | less
   49  kubectl set resources -h | less
   50  #kubectl set resources deployment nginx --limits=cpu=200m,memory=512Mi --requests=cpu=100m,memory=256Mi
   51  kubectl set resources -n restricted deploy newginx --limits=memory=512Mi --requests=memory=256Mi
   52  kubectl get all -n restricted
   53  kubectl describe -n restricted
   54  kubectl describe ns -n restricted
   55  kubectl scale deploy newginx -n restricted --replicas=4
   56  kubectl get all -n restricted
   57  kubectl -n restricted describe rs newginx-584559b6d
   58  history
   59  kubectl set resources -h | less
   60  cka/counter.sh 20
   61  cd cka/
   62  vim nwpolicy-complete-example.yaml
   63  kubectl explain networkpolicy.spec
   64  kubectl explain --recursive networkpolicy.spec
   65  vim nwpolicy-complete-example.yaml
   66  kubectl create -f nwpolicy-complete-example.yaml
   67  kubectl delete -f nwpolicy-complete-example.yaml
   68  kubectl create -f nwpolicy-complete-example.yaml
   69  kubectl get svc
   70  kubectl expose pod nginx --port=80
   71  kubectl get svc
   72  kubectl get endpoints
   73  kubectl get pods -o wide
   74  kubectl exec -it busybox -- wget --spider --timeout=1 nginx
   75  kubectl get pods --show-labels
   76  kubectl describe nwp
   77  kubectl describe networkpolicy
   78  kubectl label pod busybox access=true
   79  kubectl exec -it busybox -- wget --spider --timeout=1 nginx
   80  ./counter.sh 8
   81  kubectl get nodes
   82  kubectl taint -h | less
   83  #kubectl taint nodes worker2.example.com key1=value1:NoExecute
   84  kubectl get pods -o wide
   85  kubectl taint nodes worker2.example.com key1=value1:NoExecute
   86  kubectl get pods -o wide
   87  kubectl create deploy -h | less
   88  kubectl explain deploy.spec | less
   89  kubectl explain --recursive deploy.spec | less
   90  kubectl create deploy -h | less
   91  kubectl create deploy idontcare --image=nginx --replicas=3 --dry-run=client -o yaml > idont.yaml
   92  vim idont.yaml
   93  kubectl create -f idont.yaml
   94  kubectl get pods -o wide
   95  kubectl taint nodes worker2.example.com key1=value1:NoExecute-
   96  kubectl get pods -o wide -A
   97  ./counter.sh 15
   98  ssh root@worker2
   99  kubectl get pods
  100  ssh root@worker2
  101  kubectl describe nodes control.example.com
  102  kubectl describe nodes control.example.com | less
  103  kubectl taint node control.example.com node-role.kubernetes.io/master:NoSchedule-
  104  kubectl taint node control.example.com node-role.kubernetes.io/master:NoSchedule
  105  kubectl set resources -h
  106  kubectl create deployment -h | less
  107  cd
  108  cd .kube/
  109  rm config
  110  exit
  111  kubectl get all
  112  kubectl config -h
  113  kubectl config view
  114  cd .kube/
  115  ls
  116  sudo cp /etc/kubernetes/admin.conf config
  117  ls -l
  118  sudo chown student:student config
  119  cd
  120  kubectl get all
  121  kubectl config view
  122  cd .kube/
  123  vim config
  124  history

ROOT SHELL[root@control ~]# history
    1  yum install -y vim git bash-completion
    2  git clone https://github.com/sandervanvugt/cka
    3  cd cka
    4  ls
    5  vim setup-container.sh
    6  ./setup-container.sh
    7  ./setup-docker.sh
    8  ls
    9  ./setup-kubetools.sh
   10  history
   11  kubeadm init
   12  cd
   13  vim clustersetup.txt
   14  history
   15  cka/counter.sh 12
   16  ls
   17  cat clustersetup.txt
   18  su - student
   19  cat clustersetup.txt
   20  ssh 192.168.29.124
   21  kubectl get nodes
   22  exit
   23  su - student
   24  kubeadm token create -h | less
   25  kubeadm token create --print-join-token
   26  kubeadm token create -h | less
   27  kubeadm token create --print-join-command
   28  cd cka/
   29  ls
   30  vim setup-container.sh
   31  vim setup-kub
   32  vim setup-kubetools.sh
   33  su - student
   34  cd ..
   35  ls
   36  less clustersetup.txt
   37  history