CKAD all days june23

student@student-virtual-machine:~/ckad$ history
    1  cd ckad/
    2  ./countdown 4
    3  vim sg.yal
    4  vim sg.yaml
    5  kubectl apply sg.yaml
    6  kubectl apply -f sg.yaml
    7  kubectl run sidecard --image=busybox --dry-run=client -o yaml -- sleep infinity
    8  kubectl run sidecard --image=busybox --dry-run=client -o yaml -- sleep infinity > sidecard.yaml
    9  vim sidecard.yaml
   10  kubectl apply -f sidecard.yaml
   11  kubectl get pods
   12  ./countdown 12
   13  history
   14  minikube start --vm-driver=docker --cni=calico
   15  kubectl get all
   16  ./countdown 2
   17  minikube dashboard
   18  source <(kubectl completion bash)
   19  kubectl create deploy apptwo --image=nginx --replicas=3
   20  kubectl get all
   21  history
   22  ./countdown 15
   23  kubectl get all
   24  kubectl delete pod appone-dcc78d77f-mrz5r
   25  kubectl get all
   26  kubectl create deploy appthree --image=nginx
   27  kubectl get all
   28  kubectl create -h
   29  kubectl create -h | less
   30  kubectl create deploy -h | less
   31  kubectl completion -h | less
   32  kubectl get pods
   33  kubectl get pods appthree-dd4b5fc5d-vsmc4 -o yaml | less
   34  ls
   35  cd dockerfile/
   36  ls
   37  vim Dockerfile
   38  docker build -t centmap:1.0 .
   39  docker images
   40  cd ..
   41  ls
   42  cd alpmap/
   43  ls
   44  vim Containerfile
   45  docker build -t alpmap .
   46  mv Containerfile Dockerfile
   47  docker build -t alpmap .
   48  touch sander.repo
   49  docker build -t alpmap .
   50  docker images
   51  docker save alpmap
   52  docker save --help | less
   53  docker save alpmap -o alpmap.tgz
   54  ls -l alpmap.tgz
   55  file alpmap.tgz
   56  kubectl explain pod.spec | less
   57  kubectl get all
   58  kubectl delete pod appthree-dd4b5fc5d-vsmc4
   59  kubectl get all
   60  kubectl run alone --image=nginx
   61  kubectl get all
   62  kubectl delete pod alone
   63  kubectl get all
   64  history
   65  kubectl run -h | less
   66  kubectl get pods appthree-dd4b5fc5d-z58r2 -o yaml | less
   67  kubectl describe pods appthree-dd4b5fc5d-z58r2 | less
   68  cd ..
   69  ./countdown 4
   70  kubectl run busybox --image-busybox
   71  kubectl run busybox --image=busybox
   72  kubectl get pods
   73  kubectl describe pod busybox
   74  kubectl delete pod busybox
   75  kubectl run busybox --image=busybox --restart=Never
   76  kubectl get pods
   77  ./countdown 12
   78  kubectl get pods busybox -o yaml | less
   79  ./countdown 12
   80  kubectl explain pod
   81  kubectl explain pod.spec
   82  ls
   83  vim busybox.yaml
   84  kubectl run mynginx --image=nginx --dry-run=client -o yaml > mynginx.yaml
   85  vim mynginx.yaml
   86  kubectl create -f mynginx.yaml
   87  kubectl remove -f mynginx.yaml
   88  kubectl delete -f mynginx.yaml
   89  kubectl apply -f mynginx.yaml
   90  vim sidecar.yaml
   91  kubectl apply -f sidecar.yaml
   92  kubectl get pods
   93  kubectl exec -it sidecar-pod -c sidecar -- /bin/bash
   94  vim sidecar.yaml
   95  vim bonuslab.txt
   96  history
   97  cat bonuslab.txt
   98  cat sidecar.yaml
   99  ls -lrt
  100  history
  101  cat bonuslab.txt
  102  cat sidecard.yaml
  103  vim init-example1.yaml
  104  kubectl apply -f init-example1.yaml
  105  kubectl get pods
  106  vim init-example2.yaml
  107  kubectl apply -f init-example2.yaml
  108  kubectl get pods
  109  kubectl describe pod init-demo2
  110  kubectl get ns
  111  kubectl get pods
  112  kubectl get pods -A
  113  kubectl create ns secret
  114  kubectl run secretpod --image=nginx -n secret
  115  kubectl get pods
  116  kubectl get pods -n secret
  117  kubectl config set-context --current --namespace=secret
  118  kubectl get pods
  119  kubectl config set-context --current -n default
  120  kubectl config set-context --current --namespace=default
  121  kubectl get pods
  122  history
  123  ./countdown 2
  124  kubectl run faildb --image=mariadb
  125  kubectl get pods
  126  kubectl describe pod faildb | less
  127  kubectl logs faildb
  128  kubectl delete pod faildb
  129  kubectl run faildb --image=mariadb --env MARIADB_ROOT_PASSWORD=password
  130  kubectl get pods
  131  kubectl run -h | less
  132  kubectl explain --recursive pod.spec | less
  133  kubectl explain pod.spec.containers | less
  134  kubectl explain pod.spec.containers.securityContext
  135  kubectl explain pod.spec.containers.securityContext | less
  136  vim securitycontextdemo2.yaml
  137  kubectl apply -f securitycontextdemo2.yaml
  138  kubectl exec -it security-context-demo -- sh
  139  kubectl apply -f securitycontextdemo.yaml
  140  vim securitycontextdemo.yaml
  141  kubectl get pods
  142  kubectl describe pod nginxsecure
  143  history
  144  kubectl explain --recursive pod.spec | less
  145  kubectl explain pod.spec | less
  146  kubectl explain pod.spec.securitycontext
  147  kubectl explain pod.spec.securityContext
  148  kubectl explain pod.spec.containers.securityContext
  149  history
  150  sudo poweroff
  151  sudo apt install vim git -y
  152  git clone https://github.com/sandervanvugt/ckad
  153  history
  154  cd ckad/
  155  ls
  156  ./minikube-docker-setup.sh
  157  cd ckad/
  158  ./countdown 4
  159  ./countdown 5
  160  ./countdown 14
  161  ./countdown 2
  162  ./countdown 14
  163  ./countdown 4
  164  minikube start
  165  kubectl explain job.spec | less
  166  source <(kubectl completion bash)
  167  kubectl create job -h | less
  168  kubectl create onejob --image=busybox -- date
  169  kubectl create job onejob --image=busybox -- date
  170  kubectl get jobs
  171  kubectl get jobs,pods
  172  kubectl get jobs onejob -o yaml | less
  173  kubectl delete jobs onejob
  174  kubectl get pods
  175  kubect create job mynewjob --image=busybox --dry-run=client -o yaml -- sleep 5 > mynewjob.yaml
  176  kubectl create job mynewjob --image=busybox --dry-run=client -o yaml -- sleep 5 > mynewjob.yaml
  177  vim mynewjob.yaml
  178  kubectl apply -f mynewjob.yaml
  179  kubectl get jobs,pods
  180  kubectl create cronjob -h | less
  181  kubectl create cronjob runme --image=busybox --schedule="*/2 * * 6 1-5"
  182  kubectl get cronjobs,jobs,pods
  183  date
  184  kubectl get cronjobs -o yaml
  185  kubectl get cronjobs,jobs,pods
  186  kubectl logs runme-28122618-8lgbl
  187  kubectl get cronjobs -o yaml
  188  kubectl create cronjob runmeagain --image=busybox --schedule="*/2 * * 6 1-5" -- echo take two
  189  date
  190  kubectl get cronjobs,jobs,pods
  191  kubectl logs runmeagain-28122620-b7hnv
  192  history
  193  kubectl create cronjob -h | less
  194  kubectl create cronjob logjob --image=busybox --schedule="5 * * * *" -- logger hello world
  195  #kubectl create cronjob logjob --image=busybox --schedule="0 5 * * *" -- logger hello world
  196  kubectl explain pod.spec.containers.resources
  197  cd ckad/
  198  vim frontend-resources.yaml
  199  kubectl apply -f frontend-resources.yaml
  200  kubectl get pods
  201  kubectl describe pods frontend
  202  kubectl delete -f frontend-resources.yaml
  203  vim frontend-resources.yaml
  204  kubectl apply -f frontend-resources.yaml
  205  kubectl get pods
  206  kubectl get deployments.apps
  207  kubectl delete deployments.apps appone apptwo appthree
  208  kubectl get pods
  209  kubectl delete cronjobs.batch logjob runme runmeagain
  210  kubectl get pods
  211  kubectl describe pod frontend
  212  kubectl delete -f frontend-resources.yaml
  213  vim frontend-resources.yaml
  214  kubectl apply -f frontend-resources.yaml
  215  kubectl get pods
  216  history
  217  cat frontend-resources.yaml
  218  vim lab6.yaml
  219  kubectl apply -f lab6.yaml
  220  kubectl get pods
  221  kubectl get pods lab6 -o yaml | less
  222  vim lab6.yaml
  223  kubectl delete pod lab6
  224  kubectl apply -f lab6.yaml
  225  kubectl get pods lab6 -o yaml | less
  226  vim busybox-ready.yaml
  227  kubectl apply -f busybox-ready.yaml
  228  kubectl get pods
  229  kubectl describe pods busybox-ready
  230  kubectl edit pods busybox-ready
  231  kubectl exec -it busybox-ready -- /bin/sh
  232  kubectl get pods
  233  vim nginx-probes.yaml
  234  kubectl apply -f nginx-probes.yaml
  235  history
  236  vim dm9.yaml
  237  kubectl create cronjob -h | less
  238  kubectl create cronjob lab9job --image=busybox --schedule="*/1 * * * *" --dry-run=client -o yaml -- sleep 30 > lab9.yaml
  239  kubectl explain job.spec
  240  kubectl explain job.spec | less
  241  vim lab9.yaml
  242  kubectl apply -f lab9.yaml
  243  kubectl get cronjobs,jobs,pods
  244  history
  245  cat lab9.yaml
  246  kubectl get all
  247  kubectl delete cronjobs.batch lab9job
  248  kubectl delete pod busybox busybox-ready faildb init-demo1 init-demo2 lab6 mynginx nginx-probes nginxsecure security-context-demo sidecar-pod sidecard sidecar-question
  249  kubectl get pods
  250  kubectl create deploy myweb --image=nginx --replicas 3
  251  kubectl get all
  252  kubectl describe deployments.apps myweb
  253  kubectl get all
  254  kubectl delete pod myweb-5b7f574f7f-v8h5g
  255  kubectl get all
  256  kubectl run pod mypod --image=nginx
  257  kubectl get pods
  258  kubectl run mypod --image=nginx
  259  kubectl get pods
  260  kubectl delete pod pod
  261  kubectl delete pod mypod
  262  kubectl get pods
  263  vim redis-deploy.yaml
  264  kubectl apply -f redis-deploy.yaml
  265  vim redis-deploy.yaml
  266  kubectl api-versions
  267  vim redis-deploy.yaml
  268  kubectl apply -f redis-deploy.yaml
  269  kubectl get all
  270  kubectl edit deployments.apps redis
  271  kubectl get all
  272  kubectl scale deployment redis --replicas 1
  273  kubectl get all
  274  kubectl delete rs redis-6dc855767d
  275  kubectl get all
  276  history
  277  kubectl create deployment nginx-lab7 --image=nginx --replicas 3
  278  kubectl get all --selector app=nginx-lab7
  279  kubectl create deployment nginxup --image=nginx:1.14
  280  kubectl get all --selector app=nginxup
  281  kubectl set -h | less
  282  kubectl set image deploy nginxup nginx=nginx:1.17
  283  kubectl get all --selector app=nginxup
  284  kubectl get deployments.apps redis -o yaml | less
  285  kubectl create deploy bluelabel --image=nginx
  286  kubectl label deploy bluelabel state=demo
  287  kubectl get all --show-labels --selector app=bluelabel
  288  kubectl get all --show-labels --selector state=demo
  289  kubectl describe deployments.apps bluelabel
  290  kubectl describe pod bluelabel-5cdb7645b5-kt2xm | less
  291  kubectl label pod bluelabel-5cdb7645b5-kt2xm app-
  292  kubectl get all --show-labels
  293  kubectl get deploy bluelabel -o yaml | less
  294  kubectl scale deployment bluelabel --replicas=4
  295  kubectl set env deploy bluelabel type=blended
  296  kubectlk get all --selector app=bluelabel
  297  kubectl get all --selector app=bluelabel
  298  ./countdown 14
  299  kubectl edit deployments.apps bluelabel
  300  vim rolling.yaml
  301  kubectl apply -f rolling.yaml
  302  kubectl rollout history deployment
  303  kubectl edit deployments.apps rolling-nginx
  304  kubectl rollout history deployment rolling-nginx
  305  kubectl describe deployments.apps rolling-nginx
  306  kubectl rollout history deployment rolling-nginx --revision=2
  307  kubectl rollout history deployment rolling-nginx --revision=1
  308  kubectl rollout undo deployment rolling-nginx --to-revision 1
  309  kubectl get all
  310  kubectl create deploy nginxsvc --image=nginx
  311  kubectl get deploy
  312  kubectl scale deployment nginxsvc --replicas=3
  313  kubectl expose deployment nginxsvc --port=80
  314  kubectl describe svc nginxsvc
  315  kubectl get svc nginxsvc -o yaml | less
  316  kubectl get svc
  317  kubectl get endpoints
  318  kubectl scale deployment nginxsvc --replicas 5
  319  kubectl get endpoints
  320  curl 10.105.204.135
  321  minikube ssh
  322  kubectl edit svc nginxsvc
  323  kubectl get svc
  324  minikube ip
  325  curl 192.168.49.2:30762
  326  ./countdown 2
  327  history
  328  kubectl edit svc nginxsvc
  329  kubectl get svc
  330  minikube ip
  331  curl 192.168.49.2:30762
  332  kubectl describe svc
  333  kubectl edit svc nginxsvc
  334  kubectl get endpoints
  335  curl 192.168.49.2:30762
  336  history
  337  kubectl get svc,pods -n kube-system
  338  kubectl run testpod --image=busybox -- sleep 3600
  339  kubectl create ns other
  340  kubectl run newnginx --image=nginx -n other
  341  kubectl expose -n other newnginx --port=80
  342  kubectl expose pod -n other newnginx --port=80
  343  kubectl get svc -A
  344  kubectl exec -it testpod -- cat /etc/resolv.conf
  345  kubectl get pods,svc -n kube-system
  346  kubectl exec -it testpod -- nslookup nginxsvc
  347  kubectl exec -it testpod -- nslookup newnginx
  348  kubectl exec -it testpod -- nslookup newnginx.other.svc.cluster.local
  349  history
  350  vim nwpolicy-complete-example.yaml
  351  kubectl apply -f nwpolicy-complete-example.yaml
  352  kubectl expose pod nginx --port=80
  353  kubectl exec -it busybox -- wget --spider --timeout=1 nginx
  354  kubectl label pod busybox access=true
  355  kubectl exec -it busybox -- wget --spider --timeout=1 nginx
  356  vim nwpolicy-complete-example.yaml
  357  history
  358  kubectl exec busybox -- wget --spider --timeout=1 nginx
  359  minikube addons list
  360  minikube addons enable ingress
  361  kubectl get ns
  362  kubectl get pods,svc -n ingress-nginx
  363  kubectl get svc
  364  kubectl create ing -h | less
  365  kubectl create ingress nginxsvc-ingress --rule="/=nginxsvc:80" --rule="/hello=newdep:8080"
  366  sudo vim /etc/hosts
  367  kubectl get ingress
  368  curl nginxsvc.info
  369  kubectl describe ing nginxsvc-ingress
  370  kubectl create deploy newdep --image=gcr.io/google-samples/hello-app:2.0
  371  kubectl expose deploy newdep --port=8080
  372  kubectl describe ing nginxsvc-ingress
  373  curl nginxsvc.info
  374  curl nginxsvc.info/hello
  375  history
  376  vim /etc/hosts
  377  sudo poweroff
  378  sudo fdisk /dev/sda
  379  sudo reboot
  380  sudo resize2fs /dev/sda3
  381  df -h
  382  minikube start
  383  source <(kubectl completion bash)
  384  kubectl get all
  385  kubectl delete deploy --all
  386  kubectl get all
  387  kubectl explain pod.spec
  388  kubectl explain pod.spec.volumes | less
  389  cd ckad/
  390  vim morevolumes.yaml
  391  kubectl apply -f morevolumes.yaml
  392  kubectl get pods morevol
  393  kubectl get pods morevol2
  394  kubectl describe pod morevol2 | less
  395  kubectl exec -it morevol2 -c centos1 -- touch /centos1/test
  396  kubectl exec -it morevol2 -c centos2 -- ls -l /centos2
  397  vim pv.yaml
  398  kubectl apply -f pv.yaml
  399  kubectl get pv
  400  vim pvc.yaml
  401  kubectl apply -f pvc.yaml
  402  kubectl get pvc,pv
  403  kubectl get storageclass
  404  kubectl describe pv pvc-4b357bd7-fce2-467b-82b4-c35f6bbb7ec0
  405  minikube ssh
  406  vim pvc-pod.yaml
  407  kubectl apply -f pvc-pod.yaml
  408  kubectl get pvc,pv
  409  kubectl exec nginx-pvc-pod -- touch /usr/share/nginx/html/testfil
  410  minikube ssh
  411  kubectl get storageclass
  412  minikube addon list
  413  minikube addons list
  414  #minikube addons disable storage-provisioner
  415  kubectl create deploy mydb --image=mariadb
  416  kubectl get all
  417  kubectl describe pod mydb-7978c6b495-4blc7
  418  kubectl logs mydb-7978c6b495-4blc7
  419  kubectl set env deploy mydb MARIADB_ROOT_PASSWORD=password
  420  kubectl get all
  421  vim varsfile
  422  kubectl create cm mydbvars --from-env-file=varsfile
  423  kubectl describe cm mydbvars
  424  kubectl get cm mydbvars -o yaml
  425  kubectl delete deploy mydb
  426  kubectl create deploy mydb --image=mariadb --replicas=3
  427  kubectl get all --selector app=mydb
  428  kubectl set env -h | less
  429  kubectl set env deploy mydb --from=configmap/mydbvars
  430  kubectl get all --selector app=mydb
  431  kubectl get deploy mydb -o yaml | less
  432  echo hello world > index.html
  433  kubectl create cm myindex --from-file=index.html
  434  kubectl describe cm myindex
  435  kubectl create cm mypasswd --from-file=/etc/passwd
  436  kubectl describe cm mypasswd
  437  kubectl create deploy myweb --image=nginx
  438  kubectl edit deployments.apps myweb
  439  kubectl get pods
  440  kubectl exec -it myweb-589445db67-p8ttj -- ls -l /usr/share/nginx/html
  441  kubectl exec -it myweb-589445db67-p8ttj -- cat /usr/share/nginx/html/index.html
  442  history
  443  kubectl create secret -h | less
  444  kubectl create secret generic -h | less
  445  kubectl create secret generic dbpw --from-literal=ROOT_PASSWORD=password
  446  kubectl describe secrets dbpw
  447  kubectl get secret dbpw -o yaml
  448  echo cGFzc3dvcmQ= | base64 -d
  449  kubectl create deploy mynewdb --image=mariadb
  450  kubectl set env deploy mynewdb --from=secret/dbpw --prefix=MARIADB_
  451  kubectl get all
  452  kubectl get deploy mynewdb -o yaml | less
  453  kubectl api-resources | less
  454  kubectl api-versions
  455  kubectl get pods -n kube-system
  456  kubectl config view
  457  kubectl proxy --port 8001 &
  458  kubectl create deploy curlnginx --image=nginx --replicas=3
  459  curl http://localhost:8001/version
  460  curl http://localhost:8001/api/v1/namespaces/default/pods
  461  curl http://localhost:8001/api/v1/namespaces/default/pods/testpod
  462  kubectl get pods
  463  curl -XDELETE http://localhost:8001/api/v1/namespaces/default/pods/testpod
  464  kubectl get pods
  465  kubectl config view
  466  cat ~/.kube/config
  467  kubectl get pods
  468  kubectl get pods nginx -o yaml | less
  469  kubectl get sa
  470  kubectl get sa -n kube-system
  471  kubectl get ns
  472  kubectl get sa -n ingress-nginx
  473  kubectl get roles
  474  kubectl get roles -A
  475  kubectl get clusterroles -A
  476  kubectl get clusterrole view -o yaml
  477  kubectl get clusterroles
  478  kubectl get clusterrolebindings
  479  vim mypod.yaml
  480  kubectl apply -f mypod.yaml
  481  kubectl get pods mypod -o yaml
  482  kubectl exec -it mypod -- sh
  483  vim mysa.yaml
  484  kubectl apply -f mysa.yaml
  485  vim list-pods.yaml
  486  kubectl apply -f list-pods.yaml
  487  vim list-pods-mysa-binding.yaml
  488  kubectl apply -f list-pods-mysa-binding.yaml
  489  vim mysapod.yaml
  490  kubectl apply -f mysapod.yaml
  491  vim mysapod.yaml
  492  kubectl exec -it mysapod -- sh
  493  vim list-pods.yaml
  494  history
  495  cd ../Downloads/
  496  ls -lrt
  497  tar xvf helm-v3.12.1-linux-amd64.tar.gz
  498  sudo mv linux-amd64/helm /usr/local/bin
  499  helm version
  500  helm repo add bitnami https://charts.bitnami.com/bitnami
  501  helm repo list
  502  helm search repo bitnami
  503  helm search repo file
  504  helm search repo nginx --versions
  505  helm install bitnami/mysql --generate-name
  506  kubectl get all
  507  helm show chart bitnami/mysql
  508  helm show all bitnami/mysql
  509  helm list
  510  helm list --all-namespaces
  511  helm status mysql-1687452470
  512  source <(helm completion bash)
  513  helm repo list
  514  helm show values bitnami/nginx
  515  helm show values bitnami/nginx | less
  516  helm show values bitnami/nginx | grep commonLabels
  517  cd
  518  vim values.yaml
  519  helm install bitnami/nginx --generate-name --values values.yaml
  520  helm list
  521  vim values.yaml
  522  helm get values nginx-1687453031
  523  kubectl get deploy
  524  helm update nginx-1687453031 --set commonLabels: 'type: helmapp'
  525  helm upgrade nginx-1687453031 --set commonLabels: 'type: helmapp'
  526  cd ckad/
  527  ./countdown 12
  528  history
  529  kubectl create deploy blue-nginx --image=nginx:1.14 --replicas=3
  530  kubectl expose deploy blue-nginx --port=80 --name=bgnginx
  531  kubectl get endpoints
  532  kubectl get deployments.apps blue-nginx -o yaml > green-nginx.yaml
  533  vim green-nginx.yaml
  534  kubectl apply -f green-nginx.yaml
  535  kubectl get pods
  536  kubectl delete svc bgnginx; kubectl expose deploy green-nginx --port=80 --name=bgnginx
  537  kubectl get endpoints
  538  kubectl get pods
  539  history
  540  kubectl create deploy old-nginx --image=nginx:1.14 --replicas=3 --dry-run=client -o yaml > ~/oldnginx.yaml
  541  vim old-nginx.yaml
  542  vim ~/old-nginx.yaml
  543  vim ~/oldnginx.yaml
  544  kubectl expose deploy old-nginx --name=canary --port=80 --selector type=canary
  545  kubectl apply -f ~/oldnginx.yaml
  546  kubectl expose deploy old-nginx --name=canary --port=80 --selector type=canary
  547  kubectl get svc
  548  kubectl get endpoints
  549  kubectl edit svc canary
  550  kubectl get svc
  551  curl 192.168.49.2:31445
  552  history
  553  kubectl cp old-nginx-654f595c5-v2xf4:/usr/share/nginx/html/index.html index.html
  554  vim index.html
  555  kubectl create cm canary --from-file=index.html
  556  kubectl describe cm canary
  557  vim canary.yaml
  558  kubectl get endpoints
  559  kubectl apply -f canary.yaml
  560  kubectl get endpoints
  561  curl 192.168.49.2:31445
  562  kubectl get deploy
  563  kubectl scale deployment new-nginx --replicas=3
  564  kubectl scale deployment old-nginx --replicas=0
  565  kubectl get deploy
  566  history
  567  vim crd-object.yaml
  568  kubectl apply -f crd-object.yaml
  569  kubectl api-resources | grep back
  570  vim crd-backup.yaml
  571  kubectl apply -f crd-backup.yaml
  572  kubectl get backups
  573  kubectl get backups -o yaml
  574  kubectl api-resources
  575  kubectl get pods -n kube-system
  576  history