DevOps day3 feb21

    1  mkdir .kube
    2  sudo cp -i /etc/kubernetes/admin.conf .kube/config
    3  chown student:student .kube/config
    4  sudo chown student:student .kube/config
    5  ls -l .kube/config
    6  less .kube/config
    7  kubectl get nodes
    8  kubectl create -f https://docs.projectcalicao.org/manifests/tigera-operator.yaml
    9  ping nu.nl
   10  kubectl create -f https://docs.projectcalico.org/manifests/tigera-operator.yaml
   11  kubectl get pods -n kube-system
   12  wget https://docs.projectcalico.org/manifestes/custom-resources.yaml
   13  sudo yum install wget -y
   14  wget https://docs.projectcalico.org/manifestes/custom-resources.yaml
   15  wget https://docs.projectcalico.org/manifests/custom-resources.yaml
   16  vim custom-resources.yaml
   17  kubectl create -f custom-resources.yaml
   18  kubectl get pods -n calico-system
   19  kubectl taint nodes --all node-role.kubernetes.io/master-
   20  kubectl get all
   21  kubectl get all -A
   22  kubectl create deployment nginx --image=nginx
   23  kubectl get all
   24  ls
   25  history
   26  exit
   27  kubectl get all
   28  kubectl explain deployment.spec | less
   29  kubectl explain pods.spec | less
   30  kubectl explain services.spec | less
   31  kubectl api-resources | less
   32  sudo yum install bash-completion
   33  kubectl -h | less
   34  kubectl completion -h | less
   35  source <(kubectl completion bash)
   36  kubectl create deployment -h | less
   37   kubectl create deployment my-dep --image=busybox
   38  kubectl get all
   39  kubectl describe pod my-dep-68d7dcffc4-rx7jd
   40  kubectl get all
   41  kubectl delete pod my-dep-68d7dcffc4-rx7jd
   42  kubectl get all
   43  kubectl delete deployment.apps/nginx
   44  kubectl delete replicaset.apps/my-dep-68d7dcffc4
   45  kubectl get all
   46  kubectl delete deployment.apps/my-dep
   47  kubectl get all
   48  kubectl get all -A
   49  kubectl get pods -A
   50  kubectl run --image=nginx
   51  kubectl run --image=nginx myngiq
   52  kubectl get pods
   53  kubectl get pods -A
   54  kubectl create deployment --image=mariadb mymareiadb
   55  kubectl get all
   56  kubectl describe pod mymareiadb-769585588c-6n6pv
   57  kubectl logs mymareiadb-769585588c-6n6pv
   58  sudo /root/devopsinfourweeks/countdown 12
   59  sudo -i
   60  kubectl create deployment mynginx --image=nginx --replicas=3 --dry-run=client -o yaml > mygninx.yaml
   61  vim mygninx.yaml
   62  kubectl explain deployment.spec.template | less
   63  vim mygninx.yaml
   64  kubectl explain deployment.spec.template.spec | less
   65  kubectl explain pod.spec | less
   66  kubectl explain deployment.spec.template.spec | less
   67  vim mygninx.yaml
   68  kubectl create -f mygninx.yaml
   69  vim mygninx.yaml
   70  kubectl create -f mygninx.yaml
   71  kubectl get pods
   72  kubectl get deploy
   73  kubectl get pods -o wide
   74  kubectl expose deployment mynginx
   75  kubectl expose deployment -h | less
   76  kubectl expose deployment mynginx --type=nodePort --port=8088 --targetPort=80
   77  kubectl expose deployment -h | less
   78  kubectl expose deployment mynginx --type=nodePort --port=8088 --target-port=80
   79  kubectl expose deployment mynginx --type=NodePort --port=8088 --target-port=80
   80  kubectl get svc -o wide
   81  kubectl get pods -o wide
   82  kubectl get nodes -o wide
   83  kubectl describe svc mynginx
   84  curl 192.168.29.225:32434
   85  kubectl explain pods.spec.volumes | less
   86  git clone https://github.com/sandervanvugt/devopsinfourweeks
   87  cd devopsinfourweeks/
   88  ls
   89  git clone https://github.com/sandervanvugt/ckad
   90  cd ckad
   91  ls
   92  cd ..
   93  git clone https://github.com/sandervanvugt/cka
   94  cd cka
   95  ;s
   96  ls
   97  history
   98  vim pv-pvc-pod.yaml
   99  kubectl create -f pv-pvc-pod.yaml
  100  vim pv-pvc-pod.yaml
  101  kubectl create ns myvol
  102  vim pv-pvc-pod.yaml
  103  kubectl create -f pv-pvc-pod.yaml
  104  kubectl delete -f pv-pvc-pod.yaml
  105  kubectl create -f pv-pvc-pod.yaml
  106  kubectl get pv
  107  kubectl get all -n myvol
  108  kubectl describe pod local-pv-pod -n myvol
  109  ls
  110  ./counter.sh 12
  111  kubectl get pods
  112  kubectl logs mymareiadb-769585588c-6n6pv
  113  kubectl set env deploy/mymareiadb MYSQL_ROOT_PASSWORD=password
  114  kubectl get pods
  115  kubectl create cm myvars --from-literal=VAR1=goat --from-literal=VAR2=cow
  116  kubectl describe cm myvars
  117  cd ../devopsinfourweeks/
  118  ls
  119  vim cm-test-pod.yaml
  120  kubectl explain pods.spec
  121  vim cm-test-pod.yaml
  122  kubectl create -f cm-test-pod.yaml
  123  kubectl logs test1
  124  ls
  125  cat nginx-custom-config.conf
  126  kubectl create cm nginxconf --from-file nginx-custom-config.conf
  127  kubectl describe cm nginxconf
  128  vim nginx-cm.yml
  129  kubectl create -f nginx-cm.yml
  130  kubectl get pods
  131  kubectl exec -it nginx-cm /bin/bash
  132  kubectl set env -h
  133  kubectl get pods
  134  kubectl run --image=mariadb newmariadb
  135  kubectl get pods
  136  kubectl create cm mdbvars --from-literal=MYSQL_ROOT_PASSWORD=password
  137  #kubectl set env --keys=my-example-key --from=configmap/myconfigmap deployment/myapp
  138  kubect set env pod/newmariadb --from=configmap/mdbvars
  139  kubectl set env pod/newmariadb --from=configmap/mdbvars
  140  kubectl get pods
  141  kubectl delete pods newmariadb
  142  kubectl create deploy newmariadb --image=mariadb
  143  kubectl get pods
  144  kubectl set env deploy/newmariadb --from=configmap/mdbvars
  145  kubectl get pods
  146  ls
  147  vim sslcerts-crd.yaml
  148  kubectl apply -f sslcerts-crd.yaml
  149  vi my-sslcert.yaml
  150  kubectl apply -f my-sslcert.yaml
  151  kubectl api-resources | grep example
  152  cd
  153  history