CKAD day2 dec23

student@student-virtual-machine:~/ckad$ history
    1  sudo apt install -y git
    2  git clone https://github.com/sandervanvugt/ckad
    3  cd ckad
    4  ls
    5  minikube start --vm-driver=docker --cni=calico
    6  ls
    7  history
    8  kubectl get all
    9  minikube ssh
   10  kubectl get all
   11  kubectl create deployment firstningx --image=nginx
   12  kubectl get all
   13  ./countdown 13
   14  kubectl -h
   15  kubectl create -h | less
   16  kubectl create deployment -h | less
   17  kubectl completion -h | less
   18  source <(kubectl completion bash)
   19  kubectl get all
   20  history
   21  cd
   22  cd .kube/
   23  ls
   24  less config
   25  kubectl config view
   26  cd
   27  cd ckad/
   28  l
   29  cd dockerfile/
   30  ls
   31  vim Dockerfile
   32  sudo apt install -y vim
   33  nano Dockerfile
   34  docker build -t helloworld .
   35  docker images
   36  docker run helloworld
   37  docker save helloworld halloworld.tar
   38  docker save helloworld
   39  docker save helloworld -o helloworld.tar
   40  ls -l helloworld.tar
   41  kubectl run -h | less
   42  kubectl run mynginx --image=nginx
   43  kubectl get pods
   44  kubectl get pods mynginx -o yaml | less
   45  kubectl describe pod mynginx | less
   46  history
   47  kubectl get pods
   48  kubectl describe pod mybb
   49  echo BONUSLAB: start busybox as a pod and make sure it runs the command "sleep 3600" while starting
   50  kubectl run -h | less
   51  kubectl run sleepybox --image=busybox -- sleep 3600
   52  kubectl get pods
   53  kubectl delete pod mybb
   54  history
   55  kubectl run bbox --image=busybox
   56  kubectl get pods
   57  kubectl run -h | less
   58  kubectl run gobox --image=busybox --restart=never
   59  kubectl run -h | less
   60  kubectl run gobox --image=busybox --restart=Never
   61  kubectl get pods
   62  kubectl get pods gobox -o yaml | less
   63  kubectl get pods bbox -o yaml | less
   64  history
   65  kubectl get pods bbox -o yaml | less
   66  ls
   67  cd ..
   68  ls
   69  kubectl run mynginx --image=nginx --dry-run=client -o yaml
   70  kubectl run mynginx --image=nginx --dry-run=client -o yaml > mynginx.yaml
   71  vim mynginx.yaml
   72  kubectl explain pods
   73  kubectl explain pods.spec | less
   74  vim mynginx.yaml
   75  kubectl create -f mynginx.yaml
   76  kubectl delete pod mynginx
   77  kubectl create -f mynginx.yaml
   78  kubectl delete -f mynginx.yaml
   79  kubectl apply -f mynginx.yaml
   80  vim mynginx.yaml
   81  kubectl apply -f mynginx.yaml
   82  vim mynginx.yaml
   83  kubectl apply -f mynginx.yaml
   84  vim mynginx.yaml
   85  kubectl replace -f mynginx.yaml
   86  history
   87  kubectl run bbbox --image=busybox -- sleep 3600 --dry-run=client -o yaml
   88  kubectl get pods
   89  kubectl describe pods bbbox
   90  kubectl logs bbbox
   91  kubectl delete pods bbbox
   92  kubectl run bbbox --image=busybox --dry-run=client -o yaml -- sleep 2600
   93  history
   94  history | grep git
   95  vim sidecar.yaml
   96  kubectl apply -f sidecar.yaml
   97  kubectl get pods
   98  kubectl exec -it sidecar-pod -c sidecar -- /bin/bash
   99  vim init-example1.yaml
  100  kubectl apply -f init-example1.yaml
  101  kubectl get pods
  102  kubectl describe pod init-demo1
  103  vim init-example2.yaml
  104  kubectl apply -f init-example2.yaml
  105  kubectl get pods
  106  vim init-example2.yaml
  107  history
  108  kubectl get pods
  109  kubectl get pods -A
  110  kubectl get all
  111  kubectl get all -A
  112  kubectl get ns
  113  kubectl create ns secret
  114  kubectl get ns
  115  kubectl run pod busybox -n secret -- sleep infinity
  116  kubectl run pod --image=busybox secretbox -n secret -- sleep infinity
  117  kubectl get all
  118  kubectl get all -n secret
  119  kubectl get pods
  120  kubectl config set-context --current -n secret
  121  kubectl config set-context --current --namespace=secret
  122  kubectl get pods
  123  kubectl config set-context --current -ns default
  124  kubectl config set-context --current --namespace=default
  125  kubectl get pods
  126  kubectl config set-context -h | less
  127  kubectl describe ns secret
  128  kubectl get pods
  129  kubectl exec -it bbox -- sh
  130  kubectl exec -it sleepybox -- sh
  131  kubectl get pods
  132  kubectl exec -it firstningx-5f489b9c69-lbp9z -- sh
  133  kubectl run faildb --image=mariadb
  134  kubectl get pods
  135  kubectl describe pod faildb
  136  kubectl logs faildb
  137  kubectl run -h | less
  138  kubectl run dodb --image=mariadb --env=MARIADB_ROOT_PASSWORD=password
  139  kubectl get pods
  140  kubectl delete pod faildb
  141  history
  142  vim securitycontextdemo2.yaml
  143  kubectl apply -f securitycontextdemo2.yaml
  144  kubectl exec -it security-context-demo -- sh
  145  cat securitycontextdemo2.yaml
  146  kubectl explain pod.spec.securityContext | less
  147  vim securitycontextdemo.yaml
  148  kubectl apply -f securitycontextdemo.yaml
  149  kubectl get pods
  150  kubectl describe pod nginxsecure
  151  history
  152  kubectl create job onejob --image=busybox -- date
  153  kubectl get jobs,pods
  154  kubectl get jobs onejob -o yaml | less
  155  kubectl delete job onejob
  156  kubectl get jobs,pods
  157  kubectl create job mynewjob --image=busybox --dry-run=client -o yaml -- sleep 5 > mynewjob.yaml
  158  vim mynewjob.yaml
  159  kubectl apply -f mynewjob.yaml
  160  kubectl get jobs,pods
  161  history
  162  kubectl get jobs,pods
  163  kubectl create cronjob -h | less
  164  kubectl create cronjob runme --image=busybox --schedule="1/* * * * *" -- echo greetings from the cluster
  165  kubectl create cronjob -h | less
  166  kubectl create cronjob my-job --image=busybox --schedule="*/1 * * * *" -- date
  167  kubectl get cronjobs,jobs,pods
  168  kubectl logs my-job-28373240-4pmqs
  169  kubectl get cronjobs,jobs,pods
  170  kubectl delete cronjobs.batch my-job
  171  kubectl api-resources | less
  172  history
  173  git pull
  174  cd labs/
  175  ls
  176  ./ckad-lab5-grade.sh
  177  kubectl create cronjob
  178  ./ckad-lab5-grade.sh
  179  kubectl create cronjob hellojob --image busybox --schedule "*/5 * * * *" -- echo hello
  180  ./ckad-lab5-grade.sh
  181  cd ..
  182  kubectl get cronjobs
  183  kubectl create job --from=cronjob hellojob
  184  kubectl create job testjob --from=cronjob hellojob
  185  kubectl create job -h | less
  186  kubectl create job testjob --from=hellojob
  187  kubectl create job testjob --from=cronjob
  188  kubectl create job testjob --from=cronjob/hellojob
  189  vim frontend-resources.yaml
  190  kubectl apply -f frontend-resources.yaml
  191  kubectl get pods
  192  kubectl describe pod frontend
  193  ls
  194  docker login
  195  ls ~/.docker/config.json -l
  196  kubectl create secret docker-registry dockercreds --from-file=.dockerconfigjson=/home/student/.docker/config.json
  197  kubectl get secrets
  198  kubectl describe secrets dockercreds
  199  vim frontend-resources.yaml
  200  kubectl apply -f frontend-resources.yaml
  201  kubectl get pods
  202  kubectl delete pod frontend
  203  kubectl apply -f frontend-resources.yaml
  204  kubectl get pods
  205  kubectl describe pod frontend
  206  kubectl get pods
  207  history
  208  kubectl get sa
  209  kubectl get sa default -o yaml
  210  kubectl patch serviceaccount default -p '{"imagePullSecrets":[{"name":"dockercreds"}]}'
  211  kubectl get sa default -o yaml
  212  kubectl run testpod --image=nginx:1.17
  213  kubectl get pods testpod
  214  ls
  215  less RESOURCE.TXT
  216  kubectl delete -f frontend-resources.yaml
  217  vim frontend-resources.yaml
  218  kubectl apply -f frontend-resources.yaml
  219  kubectl get pods frontend
  220  kubectl describe pods frontend
  221  kubectl delete -f frontend-resources.yaml
  222  labs/ckad-lab6-grade.sh
  223  kubectl run lab6pod --image=nginx
  224  labs/ckad-lab6-grade.sh
  225  kubectl delete pod lab6pod
  226  kubectl run lab6pod --image=nginx --dry-run=client -o yaml > lab6pod.yaml
  227  vim lab6pod.yaml
  228  kubectl apply -f lab6pod.yaml
  229  labs/ckad-lab6-grade.sh
  230  kubectl get pods lab6pod -o yaml
  231  labs/ckad-lab6-grade.sh
  232  kubectl apply -f lab6pod.yaml
  233  vim busybox-ready.yaml
  234  kubectl apply -f busybox-ready.yaml
  235  kubectl get pods
  236  kubectl describe pods busybox-ready
  237  kubectl edit pods busybox-ready
  238  kubectl exec -it busybox-ready -- touch /tmp/nothing
  239  kubectl get pods
  240  kubectl create deploy myweb --image=nginx --replicas=3
  241  kubectl describe deployments.apps myweb
  242  kubectl get deploy,rs,pods
  243  kubectl delete pod myweb-9794cbc77-5nqhl
  244  kubectl get deploy,rs,pods
  245  cat redis-deploy.yaml
  246  kubectl apply -f redis-deploy.yaml
  247  cat redis-deploy.yaml
  248  kubectl api-resources | less
  249  vim redis-deploy.yaml
  250  kubectl apply -f redis-deploy.yaml
  251  kubectl api-versions
  252  kubectl get deploy
  253  kubectl edit deployments.apps redis
  254  kubectl get deploy
  255  kubectl get deploy --show-labels
  256  kubectl get all --selector app=redis
  257  kubectl delete rs redis-65fbbd8f94
  258  kubectl get all --selector app=redis
  259  kubectl scale deployment redis --replicas=2
  260  kubectl get all --selector app=redis
  261  kubectl create deploy nginx-lab7 --image=nginx --replicas=3
  262  kubectl explain deploy.spec | less
  263  kubectl explain deploy.spec.strategy | less
  264  kubectl create deploy nginxup --image=nginx:1.14
  265  kubectl get al --selector app=nginx
  266  kubectl get all --selector app=nginx
  267  kubectl get all --selector app=nginxup
  268  kubectl scale deployment nginxup --replicas=5
  269  kubectl set image deploy nginxup nginx=nginx:1.17
  270*
  271* kubectl get deploy nginxup -o yaml | le
  272  kubectl set image deploy nginxup nginx=nginx:1.19
  273  kubectl get all --selector app=nginxup
  274  history
  275  kubectl explain deploy.spec.strategy | less
  276  kubectl explain deploy.spec.strategy.rollingUpdate | less
  277  kubectl get deploy myweb -o yaml | less
  278  kubectl get deployments.apps redis -o yaml | less
  279  kubectl create deploy bluelabel --image=nginx
  280  kubectl label deployments.apps bluelabel state=demo
  281  kubectl get deploy --show-labels
  282  kubectl get deploy --selector state=demo
  283  kubectl get all --selector app=bluelabel --show-labels
  284  kubectl describe deployments.apps bluelabel
  285  kubectl describe pod bluelabel-59d6bcf7ff-5th78
  286  kubectl label pods bluelabel-59d6bcf7ff-5th78 app-
  287  kubectl get all | grep blue
  288  kubectl get all --show-labels | grep blue
  289  kubectl scale deployment bluelabel --replicas=4
  290  kubectl set env deploy bluelabel type=blended
  291  kubectl get all --selector app=bluelabel
  292  vim rolling.yaml
  293  kubectl apply -f rolling.yaml
  294  kubectl rollout history deployment
  295  kubectl edit deployments.apps rolling-nginx
  296  kubectl rollout history deployment rolling-nginx
  297  kubectl rollout history deployment rolling-nginx --revision=2
  298  kubectl rollout history deployment rolling-nginx --revision=1
  299  kubectl rollout undo deployment rolling-nginx --to-revision=1
  300  kubectl get all
  301  history
  302  kubectl explain deploy.spec | less
  303  kubectl edit deployments.apps bluelabel
  304  kubectl get all --selector  app=bluelabel
  305  kubectl get pods -n kube-system
  306  kubectl get svc -n kube-system
  307  kubectl exec bluelabel-798bf758fc-n66bb -- cat /etc/resolv.conf
  308  kubectl create deploy nginxsvc --image=nginx
  309  kubectl scale deployment nginxsvc --replicas=3
  310  kubectl expose deployment nginxsvc --port=80
  311  kubectl get all --selector app=nginxsvc
  312  kubectl get pods --selector app=nginxsvc
  313  kubectl get pods --selector=app=nginxsvc -o wide
  314  kubectl describe svc nginxsvc
  315  kubectl get endpoints
  316  kubectl get svc
  317  curl 10.104.25.69
  318  minikube ssh
  319  minikube ip
  320  kubectl edit svc nginxsvc
  321  kubectl get svc
  322  curl 192.168.49.2:32000
  323  kubectl run testpod --image=busybox -- sleep 3600
  324  kubectl describe pods testpod
  325  kubectl delete pod testpod
  326  kubectl run testpod --image=busybox -- sleep 3600
  327  kubectl create ns other
  328  kubectl run newginx -n other
  329  kubectl run newginx --image=nginx -n other
  330  kubectl expose -n other pod newginx --port=80
  331  kubectl get svc -A
  332  kubectl get svc,pods -n kube-system
  333  kubectl exec -it testpod -- cat /etc/resolv.conf
  334  kubectl exec -it testpod -- nslookup nginxsvc
  335  kubectl exec -it testpod -- nslookup newginx
  336  kubectl exec -it testpod -- nslookup newginx.other.svc.cluster.local
  337  minikube addons list
  338  minikube addons enable ingress
  339  kubectl get ns
  340  kubectl get all -n ingress-nginx
  341  kubectl get all --selector app=nginxsvc
  342  curl 192.168.49.2:32000
  343  kubectl create ing -h | less
  344  kubectl create ing nginxsvc-ingress --rule="/=nginxsvc:80" --rule="/hello=newdep:8080"
  345  kubectl describe ing nginxsvc-ingress
  346  sudo vim /etc/hosts
  347  kubectl get ingress
  348  curl nginxsvc.info
  349  curl nginxsvc.info/hello
  350  kubectl create deploy newdep --image=gcr.io/google-samples/hello-app:2.0
  351  kubectl expose deployment newdep --port=8080
  352  kubectl describe ing nginxsvc-ingress
  353  curl nginxsvc.info/hello
  354  history