CKAD day3 july21

student@student-virtual-machine:~/ckad/devopsinfourweeks/my-ghost-app$ history
    1  sudo apt install -y vim git
    2  git clone https://github.com/sandervanvugt/ckad
    3  cd ckad
    4  ./kube-setup.sh
    5  sudo reboot
    6  cd ckad
    7  cat kube-setup.sh
    8  minikube start --memory 4096 --vm-driver=kvm2
    9  minikube status
   10  sudo reboot
   11  minikube start --memory 4096 --vm-driver=kvm2
   12  minikube status
   13  history
   14  cd ckad
   15  vim kube-setup.sh
   16  minikube status
   17  minikube --help
   18  minikube ssh
   19  kubectl get all
   20  minikube dashboard
   21  kubectl get all
   22  kubectl create deployment firstnginx --image=nginx
   23  kubectl get all
   24  ls
   25  ./countdown 12
   26  kubectl get all
   27  history
   28  kubectl get all
   29  kubectl delete mynginx-7bf8c6db65-x5qwc
   30  kubectl delete pod mynginx-7bf8c6db65-x5qwc
   31  kubectl get all
   32  kubectl -h | less
   33  kubectl completion -h | less
   34  source <(kubectl completion bash)
   35  kubectl scale deployment mynginx --replicas=3
   36  kubectl get all
   37  kubectl get pods -o wide
   38  ./countdown 12
   39  kubectl api-versions
   40  kubectl api-resources | less
   41  history
   42  kubectl proxy --port=8001 &
   43  curl http://localhost:8001/version
   44  kubectl get pods
   45  curl http://localhost:8001/api/v1/namespaces/default/pods | less
   46  history -10
   47  history | tail -10
   48  kubectl get pods
   49  curl http://localhost:8001/api/v1/namespaces/default/pods/firstnginx-8cdb8cd74-kbtr2
   50  curl -XDELETE http://localhost:8001/api/v1/namespaces/default/pods/firstnginx-8cdb8cd74-kbtr2
   51  kubectl get pods
   52  kubectl api-resources | less
   53  kubectl -h | less
   54  kubectl run -h | less
   55  kubectl config
   56  kubectl config -h
   57  kubectl config view
   58  cd
   59  ls -a
   60  cd .kube/
   61  ls
   62  cat config
   63  kubectl config view
   64  cd
   65  kubectl config view
   66  kubectl run -h | less
   67  kubectl run nginx --image=nginx
   68  kubectl get pods
   69  kubectl delete pod nginx
   70  kubectl get pods
   71  kubectl run nginx --image=nginx
   72  kubectl describe pod nginx | less
   73  kubectl run buysybox --image=busybox
   74  kubectl get pods
   75  kubectl describe pod buysybox | less
   76  kubectl get pod buysybox -o yaml | less
   77  ckad/countdown 12
   78  cd ckad/
   79  ls
   80  vim busybox.yaml
   81  kubectl api-resources | less
   82  vim busybox.yaml
   83  kubectl get ns
   84  kubectl get pods
   85  kubectl get pods -A
   86  kubectl get pods -n kube-system
   87  vim busybox.yaml
   88  kubectl apply -f busybox.yaml
   89  kubectl get pods
   90  kubectl run busyblah --image=busybox --dry-run -o yaml > busyblah.yaml
   91  vim busyblah.yaml
   92  kubectl creaste
   93  kubectl create -f busyblah.yaml
   94  vim busyblah.yaml
   95  kubectl create -f busyblah.yaml
   96  kubectl get pods
   97  kubectl explain pods
   98  kubectl explain pods.spec | less
   99  kubectl explain pods.spec.containers | less
  100  kubectl explain --recursive pod | less
  101  kubectl -h
  102  kubectl label -h
  103  kubectl explain pods
  104  kubectl get pods
  105  kubectl get pods buysybox -o yaml > buysybox.yaml
  106  vim buysybox.yaml
  107  history
  108  minikube status
  109  sudo reboot
  110  minikube start --memory 4096 --vm-driver=kvm2
  111  sudo apt update
  112  sudo apt upgrade
  113  sudo poweroff
  114  ip a
  115  minikube start --memory 4096 --vm-driver=kvm2
  116  minikube statys
  117  minikube status
  118  kubectl get all
  119  cd ckad/
  120  ls
  121  history | grep git
  122  vim sidecar.yaml
  123  kubectl create -f sidecar.yaml
  124  kubectl get pods
  125  kubectl exec -it sidecar-pod -c sidecar /bin/bash
  126  kubectl exec -it sidecar-pod -c sidecar -- /bin/bash
  127  kubectl completion -h
  128  source <(kubectl completion bash)
  129  kubectl describe pod sidecar-pod | less
  130  vim initpod.yaml
  131  history
  132  kubectl exec -it sidecar-pod  -- /bin/bash
  133  kubectl create -f initpod.yaml
  134  kubectl get pods
  135  kubectl describe pod init-demo | less
  136  kubectl logs init-demo install
  137  kubectl delete pod init-demo
  138  vim initpod.yaml
  139  kubectl create -f initpod.yaml \
  140  kubectl create -f initpod.yaml
  141  kubectl get pods
  142  kubectl create -f initpod.yaml
  143  vim initpod.yaml
  144  kubectl create -f initpod.yaml
  145  kubectl get pods
  146  kubectl get events
  147  kubectl get pods
  148  kubectl describe pods buysybox
  149  kubectl run -h | less
  150  kubectl get pods
  151  kubectl exec mynginx-7bf8c6db65-24bqv -- bash
  152  kubectl exec -it mynginx-7bf8c6db65-24bqv -- bash
  153  vim securitycontextdemo2.yaml
  154  kubectl create -f securitycontextdemo2.yaml
  155  kubectl get pods
  156  kubectl exec -it security-context-demo -- sh
  157  kubectl explain pods.spec.securitycontext
  158  kubectl explain pods.spec.securityContext
  159  kubectl explain --recursive pods.spec.securityContext | less
  160  vim securitycontextdemo.yaml
  161  kubectl create -f securitycontextdemo
  162  kubectl create -f securitycontextdemo.yaml
  163  kubectl get pods
  164  kubectl describe pods nginxsecure
  165  kubectl get pods
  166  kubectl delete pod nginxsecure
  167  kubectl delete pod busybox
  168  kubectl delete pod buysybox
  169  kubectl delete pod busyblah
  170  kubectl delete pod init-dep
  171  kubectl delete pod init-demo
  172  kubectl delete pod sidecar-pod
  173  kubectl explain jobs.spec | less
  174  kubectl explain jobs.spec.template | less
  175  kubectl explain jobs.spec.template.spec | less
  176  vim simplejob.yaml
  177  kubectl create -f simplejob.yaml
  178  kubectl get all
  179  kubectl delete jobs simple-job
  180  vim simplejob.yaml
  181  kubectl create -f simplejob.yaml
  182  vim simplejob.yaml
  183  kubectl create -f simplejob.yaml
  184  kubectl get all
  185  kubectl explain jobs.spec | less
  186  ./countdown 12
  187  kubectl explain cronjob.spec
  188  vim cron-example.yaml
  189  kubectl create -f cron-example.yaml
  190  kubectl get all
  191  kubectl delete cronjobs.batch hello
  192  kubectl get all
  193  kubectl get ns
  194  kubectl get pods
  195  kubectl get pods -n kube-system
  196  kubectl config set-context --current --namespace=kube-system
  197  kubectl get all
  198  kubectl config set-context --current --namespace=default
  199  kubectl get pods
  200  kubectl get all --all-namespaces
  201  kubectl get all -A
  202  kubectl get ns
  203  kubectl create ns secret
  204  vim busybox-ns.yaml
  205  kubectl create -f busybox-ns.yaml
  206  vim busybox-ns.yaml
  207  kubectl create -f busybox-ns.yaml
  208  kubectl get pods -A
  209  kubectl config view
  210  kubectl explain pod.spec.containers.resources
  211  kubectl explain pod.spec.containers.resources.limits
  212  kubectl explain pod.spec.containers.resources
  213  kubectl explain pod.spec.containers.resources.requests
  214  kubectl api-resources | grep quota
  215  kubectl create -h | less
  216  kubectl create quota -h | less
  217  kubectl create quota my-quota --hard=cpu=1,memory=1G,pods=2,services=3,replicationcontrollers=2,resourcequotas=1,secrets=5,persistentvolumeclaims=10 -n secret
  218  kubectl describe ns secret
  219  kubectl create deploy -h
  220  kubectl create deploy mynginx --image=nginx -n secret
  221  kubectl get all -n secret
  222  kubectl describe deployments.apps mynginx -n secret
  223  kubectl get all -n secret
  224  kubectl describe rs mynginx-5b686ccd46 -n secret
  225  kubectl get all -n secret
  226  kubectl delete deploy mynginx -n secret
  227  vim frontend-resources.yaml
  228  kubectl create -f frontend-resources.yaml
  229  kubectl get all -n secret
  230  kubectl delete -f frontend-resources.yaml
  231  vim frontend-resources.yaml
  232  kubectl delete -f frontend-resources.yaml
  233  kubectl create -f frontend-resources.yaml
  234  kubectl get all -n secret
  235  kubectl run newginx --image=nginx
  236  kubectl get pods
  237  kubectl run newginx --image=nginx -n secret
  238  kubectl describe ns secret
  239  history
  240  kubectl delete all --all -A
  241  kubectl get all -A
  242  kubectl create deploy nginxblah --image=nginx
  243  kubectl get deploy nginxblah -o yaml | less
  244  kubectl get deploy
  245  kubectl get all
  246  kubectl scale deployment --replicas=3 nginxblah
  247  kubectl get all
  248  kubectl edit deployments.apps nginxblah
  249  kubectl get all
  250  kubectl delete pods nginxblah-7dc7fb8c85-p8g9w
  251  kubectl get all
  252  kubectl create -f redis-deploy.yaml
  253  vim redis-deploy.yaml
  254  kubectl api-resources | less
  255  vim redis-deploy.yaml
  256  kubectl create -f redis-deploy.yaml
  257  kubectl get events
  258  kubectl get events -h
  259  ./countdown 12
  260  vim rolling.yaml
  261  kubectl create -f rolling.yaml
  262  kubectl get pods
  263  kubectl get all
  264  kubectl edit deployments.apps rolling-nginx
  265  kubectl get all
  266  kubectl rollout -h | less
  267  kubectl rollout history deployment rolling-nginx
  268  kubectl rollout history deployment rolling-nginx --revision=1
  269  kubectl rollout history deployment rolling-nginx --revision=2
  270  kubectl rollout undo deployment rolling-nginx ; kubectl get all
  271  kubectl get all
  272  kubectl get all --show-labels
  273  kubectl get all --selector app=nginx
  274  kubectl get all --selector app=nginxblah
  275  kubectl label pod nginxblah-7dc7fb8c85-mlvpk app-
  276  kubectl get all --selector app=nginxblah
  277  kubectl get all
  278  kubectl delete pod nginxblah-7dc7fb8c85-mlvpk
  279  kubectl get all
  280  kubectl get pods --show-labels
  281  kubectl run nakedginx --image=nginx
  282  kubectl get pods --show-labels
  283  kubectl get pods --selector=run
  284  kubectl get pods --selector=app
  285  sudo reboot
  286  minikube status
  287  minikube start --memory 4096 --vm-driver=kvm2
  288  minikube status
  289  kubectl get all -A
  290  ckad/countdown 12
  291  kubectl create deployment nginxsvc --image=nginx
  292  kubectl scale deployment nginxsvc --replicas=3
  293  kubectl completion -h
  294  source <(kubectl completion bash)
  295  kubectl expose deployment nginxsvc
  296  kubectl expose deployment nginxsvc --port=80
  297  kubectl get all --selector app=nginxsvc
  298  kubectl describe svc nginxsvc
  299  kubectl scale deployment nginxsvc --replicas=6
  300  kubectl describe svc nginxsvc
  301  kubectl get endpoints
  302  kubectl describe svc nginxsvc
  303  kubectl edit svc nginxsvc
  304  kubectl describe svc nginxsvc
  305  kubectl edit svc nginxsvc
  306  kubectl describe svc nginxsvc
  307  kubectl edit svc nginxsvc
  308  curl 10.100.138.231
  309  minikube ssh
  310  kubectl edit svc nginxsvc
  311  kubectl get svc
  312  minikube ip
  313  curl 192.168.39.56:32000
  314  history
  315  kubectl get pods
  316  cd ckad
  317  vim busybox.yaml
  318  kubectl create -f busybox.yaml
  319  kubectl get svc
  320  kubectl exec -it busybox2 -- bash
  321  kubectl exec -it busybox2 -- sh
  322  minikube addons list
  323  minikube addons enable ingress
  324  minikube addons enable ingress-dns
  325  kubectl get ns
  326  kubectl get all -n ingress-nginx
  327  kubectl get deploy
  328  kubectl get svc nginxsvc
  329  curl http://$(minikube ip):32000
  330  vim nginxsvc-ingress.yaml
  331  kubectl apply -f nginxsvc-ingress.yaml
  332  kubectl get ingress
  333  minikube ip
  334  sudo vim /etc/hosts
  335  curl nginxsvc.info
  336  kubectl create deploy newdep --image=gcr.io/google-samples/hello-app:2.0
  337  kubectl expose deployment newdep --port=8080
  338  vim nginxsvc-ingress.yaml
  339  curl nginxsvc.info/hello
  340  history
  341  sudo poweroff
  342  minikube start --memory 4096 --vm-driver=kvm2
  343  sudo poweroff
  344  ip a
  345  minikube start --memory 4096 --vm-driver=kvm2
  346  source <(kubectl completion bash)
  347  cd ckad/
  348  vim nwpolicy-complete-example.yaml
  349  kubectl apply -f nwpolicy-complete-example.yaml
  350  kubectl get all
  351  kubectl expose pod nginx --port=80
  352  kubectl get svc
  353  kubectl exec -it busybox -- wget --spider --timeout=1
  354  kubectl exec -it busybox -- wget --spider --timeout=1 nginx
  355  vim nwpolicy-complete-example.yaml
  356  kubectl label pod busybox access=true
  357  kubectl explain pod.spec.volumes | less
  358  ls
  359  vim morevolumes.yaml
  360  kubectl create -f morevolumes.yaml
  361  kubectl describe pod morevol2
  362  kubectl exec -it morevol2 -c centos1 -- touch /centos1/hello
  363  kubectl exec -it morevol2 -c centos2 -- ls /centos2/
  364  kubectl get storageclass -A
  365  kubectl explain persistenvolume
  366  kubectl explain persistentvolume
  367  kubectl explain persistentvolume.spec
  368  kubectl explain persistentvolume.spec | less
  369  ls
  370  vim pv.yaml
  371  kubectl create -f pv.yaml
  372  kubectl get pv
  373  kubectl api-resources | less
  374  vim pvc.yaml
  375  kubectl create -f pvc.yaml
  376  kubectl get pvc
  377  kubectl get pv
  378  kubectl describe pv pvc-2a440be2-7904-41b3-be6f-cccf31676f38
  379  vim pv-pod.yaml
  380  kubectl create -f pv-pod.yaml
  381  kubectl describe pod pv-pod
  382  kubectl exec -it pv-pod -- touch /usr/share/nginx/html/whatever.html
  383  kubectl describe pv pvc-2a440be2-7904-41b3-be6f-cccf31676f38
  384  minikube ssh
  385  vim pv-pvc-pod.yaml
  386  kubectl create -f pv-pvc-pod.yaml
  387  kubectl delete -f pv-pvc-pod.yaml
  388  kubectl create ns myvol
  389  kubectl create -f pv-pvc-pod.yaml
  390  kubectl get all -n myvol
  391  kubectl get pvc -n myvol
  392  kubectl get pv
  393  history
  394  kubectl get pv
  395  kubectl describe pv pv-volume
  396  kubectl describe pv local-pv-volume
  397  vim pv-pvc-pod.yaml
  398  kubectl get storageclass -A
  399  vim pv-pvc-pod.yaml
  400  ./countdown 12
  401  vim variables
  402  kubectl create cm -h | less
  403  kubectl create cm variables --from-env-file=variables
  404  kubectl create cm novariables --from-file=variables
  405  kubectl describe cm variables
  406  kubectl describe cm novariables
  407  vim cm-test-pod.yaml
  408  kubectl create -f cm-test-pod.yaml
  409  kubectl logs po/test1
  410  vim cm-test-pod.yaml
  411  kubectl create deploy -h | less
  412  kubectl create deploy newsql --image=mysql
  413  kubectl get all --selector app=newsql
  414  kubectl describe pod newsql-7454bf699d-h24gn
  415  kubectl logs newsql-7454bf699d-h24gn
  416  kubectl create cm newsqlvars --from-literal=MYSQL_ROOT_PASSWORD=password
  417  kubectl describe cm newsqlvars
  418  kubectl set -h | less
  419  kubectl set env -h | less
  420  #kubectl set env --from=configmap/myconfigmap --prefix=MYSQL_ deployment/myapp
  421  kubectl get cm
  422  kubectl get deploy
  423  kubectl set env --from=configmap/newsqlvars deployment/newsql
  424  kubectl get all --selector app=newsql
  425  history
  426  cat nginx-custom-config.conf
  427  kubectl create cm nginx-cm --from-file nginx-custom-config.conf
  428  kubectl describe cm nginx-cm
  429  vim nginx-cm.yml
  430  kubectl create -f nginx-cm.yml
  431  kubectl exec -it nginx-cm /bin/bash
  432  kubectl set volume -h | less
  433  kubectl describe pods test1
  434  kubectl create secret -h | less
  435  kubectl create secret generic -h | less
  436  #kubectl create secret generic my-secret --from-file=ssh-private-key=/home/student/.ssh/id_rsa --from-literal=passphrase=password
  437  ssh-keygen
  438  kubectl create secret generic my-secret --from-file=ssh-private-key=/home/student/.ssh/id_rsa --from-literal=passphrase=password
  439  kubectl describe secrets my-secret
  440  kubectl get secret my-secret -o yaml
  441  echo cGFzc3dvcmQ= | base64 -d
  442  kubectl create secret generic secretstuff --from-literal=password=password --from-literal=user=linda
  443  less pod-secret.yaml
  444  kubectl create -f pod-secret.yaml
  445  kubectl describe pod secretbox2
  446  kubectl exec -it secretbox2 -- /bin/sh
  447  kubectl create secret generic mysql --from-literal=password=root
  448  kubectl get secrets mysql -o yaml
  449  vim pod-secret-as-var.yaml
  450  kubectl create -f pod-secret-as-var.yaml
  451  kubectl get pods
  452  kubectl exec -it mymysql -- env
  453  ./countdown 13
  454  vim mypod.yaml
  455  kubectl create -f mypod.yaml
  456  kubectl get pods mypod -o yaml | less
  457  kubectl exec -it mypod -- sh
  458  vim mysa.yaml
  459  kubectl create -f mysa.yaml
  460  vim list-pods.yaml
  461  kubectl create -f list-pods.yaml
  462  vim list-pods-mysa-binding.yaml
  463  kubectl create -f list-pods-mysa-binding.yaml
  464  kubectl set -h | less
  465  vim mysapod.yaml
  466  kubectl create -f mysapod.yaml
  467  kubectl exec -it mysapod -- sh
  468  kubectl delete -f cm-test-pod.yaml
  469  kubectl get cm
  470  vim cm-test-pod.yaml
  471  kubectl delete cm variables
  472  vim cm-test-pod.yaml
  473  kubectl create cm variables --from-file=variables
  474  kubectl create -f cm-test-pod.yaml
  475  kubectl get pods
  476  kubectl describe pods test1
  477  kubectl logs test1
  478  kubectl edit pods test1
  479  kubectl delete -f cm-test-pod.yaml
  480  vim cm-test-pod.yaml
  481  kubectl create -f cm-test-pod.yaml
  482  kubectl get pods
  483  kubectl get endpoints
  484  ./countdown 12
  485  vim busybox-ready.yaml
  486  kubectl create -f busybox-ready.yaml
  487  kubectl get pods
  488  kubectl describe pods busybox-ready
  489  kubectl exec -it busybox-ready -- /bin/sh
  490  kubectl get pods
  491  vim nginx-probes.yaml
  492  kubectl create -f nginx-probes.yaml
  493  kubectl get pods nginx-probes
  494  wget https://get.helm.sh/helm-v3.0.0-linux-amd64.tar.gz
  495  ls
  496  tar xvf helm-v3.0.0-linux-amd64.tar.gz
  497  sudo cp linux-amd64/helm /usr/local/bin/
  498  helm search hub database
  499  helm repo add myrepo https://kubernetes-charts.storage.googleapis.com
  500  helm repo update
  501  helm repo add myrepo https://kubernetes-charts.storage.googleapis.io
  502  helm repo add stable https://charts.helm.sh/stable
  503  helm repo update
  504  helm list
  505  helm install example-mysql stable/mysql
  506  helm list
  507  ls
  508  kubectl get all | grep mysql
  509  git clone https://github.com/sandervanvugt/devopsinfourweeks
  510  cd devopsinfourweeks/
  511  ls
  512  cd my-ghost-app/
  513  ls
  514  cat Chart.yaml
  515  cat templates/deployment.yaml
  516  cat values.yaml
  517  helm templates --debug .
  518  helm template --debug .
  519  helm install -f ./values.yaml my-ghost-app ./
  520  kubectl get all | grep ghost
  521  kubectl api-resources | grep templa
  522  history