CKA day1 oct21

student@control:~/ckad$ history
    1  sudo vim /etc/hosts
    2  cat /etc/hosts
    3  sudo apt install vim git bash-completion -y
    4  git clone https://github.com/sandervanvugt/cka
    5  cd cka
    6  ls
    7  vim setup-container.sh
    8  ./setup-container.sh
    9  ls
   10  vim setup-kubetools.sh
   11  vim setup-kubetools-ubuntu.sh
   12  ./setup-kubetools-ubuntu.sh
   13  history
   14  cat /etc/hosts
   15  sudo kubeadm init --help
   16  sudo kubeadm init --pod-network-cidr=10.10.0.0/16
   17  mkdir -p $HOME/.kube
   18  sudo cp -i /etc/kubernetes/admin.conf $HOME/.kube/config
   19  sudo chown $(id -u):$(id -g) $HOME/.kube/config
   20  kubectl get all
   21  kubectl apply -f "https://cloud.weave.works/k8s/net?k8s-version=$(kubectl version | base64 | tr -d '\n')"
   22  kubectl get nodes
   23  kubectl create testginx --image=nginx --replicas=3
   24  kubectl create deploy testginx --image=nginx --replicas=3
   25  kubectl get all
   26  ls
   27  history
   28  ls
   29  ./counter.sh 15
   30  kubectl completion -h
   31  source <(kubectl completion bash)
   32  kubectl create namespace mynamespace
   33  kubectl get ns
   34  kubectl run mypod --image=alpine -n mynamespace -- sleep 3600
   35  kubectl get pods mypod -n mynamespace -o yaml | less
   36  history
   37  ./counter.sh 15
   38  vim wg.yaml
   39  kubectl apply -f wg.yaml
   40  kubectl get all
   41  kubectl describe pod myapp-pod
   42  history
   43  ./counter.sh
   44  vim nrv.yaml
   45  kubectl apply -f nrv.yaml
   46  kubectl get pods
   47  kubectl describe pod ex3
   48  kubectl delete pod ex3
   49  ls -lrt
   50  vim nrv.yaml
   51  kubectl run busybox --image=busybox --dry-run=client -o yaml -- sleep 3600
   52  vim aj.yaml
   53  kubectl create -f aj.yaml
   54  kubectl delete -f aj.yaml
   55  kubectl create -f aj.yaml
   56  kubectl get pods
   57  kubectl describe myapp-pod
   58  kubectl describe pod myapp-pod
   59  kubectl logs myapp-pod
   60  kubectl describe pod myapp-pod
   61  ./counter.sh 5
   62  vim wg2.yaml
   63  kubectl create -f wg2.yaml
   64  kubectl get all
   65  kubectl get pod -o wide
   66  vim svv.yaml
   67  kubectl create -f svv.yaml
   68  kubectl create deploy nginx --image=nginx --dry-run -o yaml | \ sed '/null\|{}\|replicas/d;/status/,$d;s/Deployment/DaemonSet/g' > nginx-ds.yaml kubectl apply -f nginx-ds.yaml
   69  sudo apt install sed
   70  kubectl create deploy nginx --image=nginx --dry-run -o yaml | \ sed '/null\|{}\|replicas/d;/status/,$d;s/Deployment/DaemonSet/g' > nginx-ds.yaml kubectl apply -f nginx-ds.yaml
   71  kubectl create deploy nginx --image=nginx --dry-run -o yaml > nginx-ds.yaml
   72  vim nginx-ds.yaml
   73  kubectl create -f nginx-ds.yaml
   74  vim nginx-ds.yaml
   75  kubectl create -f nginx-ds.yaml
   76  ./counter.sh 25
   77  kubectl create deploy nginx --image=nginx --dry-run -o yaml | sed '/null\|{}\|replicas/d;/status/,$d;s/Deployment/DaemonSet/g' > nginx-ds.yaml
   78  vim nginx-ds.yaml
   79  ls -lrt
   80  vim ex18.yaml
   81  cd /etc/kubernetes/
   82  ls
   83  cd manifests/
   84  ls
   85  vim kube-scheduler.yaml
   86  sudo vim kube-scheduler.yaml
   87  ssh worker1
   88  cd
   89  kubectl run auto-web --image=nginx --dry-run=client -o yaml > auto-web.yaml
   90  cat auto-web.yaml
   91  kubectl get pods -o wide
   92  kubectl create ns limited
   93  kubectl create quota --help
   94  kubectl create quota qtest --hard pods=3,cpu=100,memory=500Mi -n limited
   95  kubectl describe ns limited
   96  kubectl create deploy nginx --image=nginx --replicas=3 -n limited
   97  kubectl get all -n limited
   98  kubectl describe -n limited rs nginx-6799fc88d8
   99  kubectl get all -n limited
  100  kubectl set resources -h | less
  101  kubectl set resources deploy nginx --requests cpu=100m,memory=5Mi --limits cpu=200m,memory=20Mi -n limited
  102  kubectl get all -n limited
  103  kubectl scale deploy nginx --replicas=5 -n limited
  104  kubectl get all -n limited
  105  kubectl describe ns limited
  106  kubectl describe -n limited rs nginx-86d467bc98
  107  kubectl delete deploy nginx -n limited
  108  kubectl set resources deploy nginx --limits cpu=200m,memory=1Mi -n limited
  109  kubectl create deploy nginx
  110  kubectl create deploy nginx --image=nginx -n limited
  111  kubectl set resources deploy nginx --limits cpu=200m,memory=1Mi -n limited
  112  kubectl get deploy nginx -n limited -o yaml > oom.yaml
  113  kubectl delete deploy nginx
  114  kubectl delete deploy nginx -n limited
  115  vim oom.yaml
  116  kubectl create -f oom.yaml
  117  kubectl get all -n limited
  118  kubectl describe -n limited pod nginx-566bfb9779-ll295
  119  history
  120  sleep 120; cka/counter.sh 13
  121  kubectl get nodes
  122  kubectl get pods -o wide
  123  kubectl get nodes
  124  kubectl describe node worker1
  125  kubectl get pods
  126  kubectl get nodes
  127  cka/counter.sh 5
  128  cd cka
  129  ls
  130  cd ..
  131  git clone https://github.com/sandervanvugt/ckad
  132  cd ckad
  133  ls
  134  vim pv.yaml
  135  kubectl create -f pv.yaml
  136  kubectl api-resources | less
  137  vim pvc.yaml
  138  kubectl create -f pvc.yaml
  139  kubectl get pv
  140  kubectl get storageclass
  141  kubectl pv-pod.yaml
  142  vim pv-pod.yaml
  143  kubectl create -f pv-pod.yaml
  144  kubectl exec -it pv-pod -- touch /usr/share/nginx/html/hello.txt
  145  kubectl describe pv pv-volume
  146  ls /
  147  kubectl get pods -o wide
  148  kubectl explain pv.spec | less
  149  kubectl explain pv.spec.iscsi
  150  kubectl explain pv.spec.initiatorName
  151  kubectl explain pv.spec.iscsi
  152  vim pvc.yaml
  153  cat /etc/os-release
  154  history