CKAD day2 june23

    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  minikube start
  158  kubectl explain job.spec | less
  159  source <(kubectl completion bash)
  160  kubectl create job -h | less
  161  kubectl create onejob --image=busybox -- date
  162  kubectl create job onejob --image=busybox -- date
  163  kubectl get jobs
  164  kubectl get jobs,pods
  165  kubectl get jobs onejob -o yaml | less
  166  kubectl delete jobs onejob
  167  kubectl get pods
  168  kubect create job mynewjob --image=busybox --dry-run=client -o yaml -- sleep 5 > mynewjob.yaml
  169  kubectl create job mynewjob --image=busybox --dry-run=client -o yaml -- sleep 5 > mynewjob.yaml
  170  vim mynewjob.yaml
  171  kubectl apply -f mynewjob.yaml
  172  kubectl get jobs,pods
  173  kubectl create cronjob -h | less
  174  kubectl create cronjob runme --image=busybox --schedule="*/2 * * 6 1-5"
  175  kubectl get cronjobs,jobs,pods
  176  date
  177  kubectl get cronjobs -o yaml
  178  kubectl get cronjobs,jobs,pods
  179  kubectl logs runme-28122618-8lgbl
  180  kubectl get cronjobs -o yaml
  181  kubectl create cronjob runmeagain --image=busybox --schedule="*/2 * * 6 1-5" -- echo take two
  182  date
  183  kubectl get cronjobs,jobs,pods
  184  kubectl logs runmeagain-28122620-b7hnv
  185  history
  186  kubectl create cronjob -h | less
  187  kubectl create cronjob logjob --image=busybox --schedule="5 * * * *" -- logger hello world
  188  #kubectl create cronjob logjob --image=busybox --schedule="0 5 * * *" -- logger hello world
  189  kubectl explain pod.spec.containers.resources
  190  cd ckad/
  191  vim frontend-resources.yaml
  192  kubectl apply -f frontend-resources.yaml
  193  kubectl get pods
  194  kubectl describe pods frontend
  195  kubectl delete -f frontend-resources.yaml
  196  vim frontend-resources.yaml
  197  kubectl apply -f frontend-resources.yaml
  198  kubectl get pods
  199  kubectl get deployments.apps
  200  kubectl delete deployments.apps appone apptwo appthree
  201  kubectl get pods
  202  kubectl delete cronjobs.batch logjob runme runmeagain
  203  kubectl get pods
  204  kubectl describe pod frontend
  205  kubectl delete -f frontend-resources.yaml
  206  vim frontend-resources.yaml
  207  kubectl apply -f frontend-resources.yaml
  208  kubectl get pods
  209  history
  210  cat frontend-resources.yaml
  211  vim lab6.yaml
  212  kubectl apply -f lab6.yaml
  213  kubectl get pods
  214  kubectl get pods lab6 -o yaml | less
  215  vim lab6.yaml
  216  kubectl delete pod lab6
  217  kubectl apply -f lab6.yaml
  218  kubectl get pods lab6 -o yaml | less
  219  vim busybox-ready.yaml
  220  kubectl apply -f busybox-ready.yaml
  221  kubectl get pods
  222  kubectl describe pods busybox-ready
  223  kubectl edit pods busybox-ready
  224  kubectl exec -it busybox-ready -- /bin/sh
  225  kubectl get pods
  226  vim nginx-probes.yaml
  227  kubectl apply -f nginx-probes.yaml
  228  history
  229  vim dm9.yaml
  230  kubectl create cronjob -h | less
  231  kubectl create cronjob lab9job --image=busybox --schedule="*/1 * * * *" --dry-run=client -o yaml -- sleep 30 > lab9.yaml
  232  kubectl explain job.spec
  233  kubectl explain job.spec | less
  234  vim lab9.yaml
  235  kubectl apply -f lab9.yaml
  236  kubectl get cronjobs,jobs,pods
  237  history
  238  cat lab9.yaml
  239  kubectl get all
  240  kubectl delete cronjobs.batch lab9job
  241  kubectl delete pod busybox busybox-ready faildb init-demo1 init-demo2 lab6 mynginx nginx-probes nginxsecure security-context-demo sidecar-pod sidecard sidecar-question
  242  kubectl get pods
  243  kubectl create deploy myweb --image=nginx --replicas 3
  244  kubectl get all
  245  kubectl describe deployments.apps myweb
  246  kubectl get all
  247  kubectl delete pod myweb-5b7f574f7f-v8h5g
  248  kubectl get all
  249  kubectl run pod mypod --image=nginx
  250  kubectl get pods
  251  kubectl run mypod --image=nginx
  252  kubectl get pods
  253  kubectl delete pod pod
  254  kubectl delete pod mypod
  255  kubectl get pods
  256  vim redis-deploy.yaml
  257  kubectl apply -f redis-deploy.yaml
  258  vim redis-deploy.yaml
  259  kubectl api-versions
  260  vim redis-deploy.yaml
  261  kubectl apply -f redis-deploy.yaml
  262  kubectl get all
  263  kubectl edit deployments.apps redis
  264  kubectl get all
  265  kubectl scale deployment redis --replicas 1
  266  kubectl get all
  267  kubectl delete rs redis-6dc855767d
  268  kubectl get all
  269  history
  270  kubectl create deployment nginx-lab7 --image=nginx --replicas 3
  271  kubectl get all --selector app=nginx-lab7
  272  kubectl create deployment nginxup --image=nginx:1.14
  273  kubectl get all --selector app=nginxup
  274  kubectl set -h | less
  275  kubectl set image deploy nginxup nginx=nginx:1.17
  276  kubectl get all --selector app=nginxup
  277  kubectl get deployments.apps redis -o yaml | less
  278  kubectl create deploy bluelabel --image=nginx
  279  kubectl label deploy bluelabel state=demo
  280  kubectl get all --show-labels --selector app=bluelabel
  281  kubectl get all --show-labels --selector state=demo
  282  kubectl describe deployments.apps bluelabel
  283  kubectl describe pod bluelabel-5cdb7645b5-kt2xm | less
  284  kubectl label pod bluelabel-5cdb7645b5-kt2xm app-
  285  kubectl get all --show-labels
  286  kubectl get deploy bluelabel -o yaml | less
  287  kubectl scale deployment bluelabel --replicas=4
  288  kubectl set env deploy bluelabel type=blended
  289  kubectlk get all --selector app=bluelabel
  290  kubectl get all --selector app=bluelabel
  291  ./countdown 14
  292  kubectl edit deployments.apps bluelabel
  293  vim rolling.yaml
  294  kubectl apply -f rolling.yaml
  295  kubectl rollout history deployment
  296  kubectl edit deployments.apps rolling-nginx
  297  kubectl rollout history deployment rolling-nginx
  298  kubectl describe deployments.apps rolling-nginx
  299  kubectl rollout history deployment rolling-nginx --revision=2
  300  kubectl rollout history deployment rolling-nginx --revision=1
  301  kubectl rollout undo deployment rolling-nginx --to-revision 1
  302  kubectl get all
  303  kubectl create deploy nginxsvc --image=nginx
  304  kubectl get deploy
  305  kubectl scale deployment nginxsvc --replicas=3
  306  kubectl expose deployment nginxsvc --port=80
  307  kubectl describe svc nginxsvc
  308  kubectl get svc nginxsvc -o yaml | less
  309  kubectl get svc
  310  kubectl get endpoints
  311  kubectl scale deployment nginxsvc --replicas 5
  312  kubectl get endpoints
  313  curl 10.105.204.135
  314  minikube ssh
  315  kubectl edit svc nginxsvc
  316  kubectl get svc
  317  minikube ip
  318  curl 192.168.49.2:30762
  319  ./countdown 2
  320  history
  321  kubectl edit svc nginxsvc
  322  kubectl get svc
  323  minikube ip
  324  curl 192.168.49.2:30762
  325  kubectl describe svc
  326  kubectl edit svc nginxsvc
  327  kubectl get endpoints
  328  curl 192.168.49.2:30762
  329  history
  330  kubectl get svc,pods -n kube-system
  331  kubectl run testpod --image=busybox -- sleep 3600
  332  kubectl create ns other
  333  kubectl run newnginx --image=nginx -n other
  334  kubectl expose -n other newnginx --port=80
  335  kubectl expose pod -n other newnginx --port=80
  336  kubectl get svc -A
  337  kubectl exec -it testpod -- cat /etc/resolv.conf
  338  kubectl get pods,svc -n kube-system
  339  kubectl exec -it testpod -- nslookup nginxsvc
  340  kubectl exec -it testpod -- nslookup newnginx
  341  kubectl exec -it testpod -- nslookup newnginx.other.svc.cluster.local
  342  history
  343  vim nwpolicy-complete-example.yaml
  344  kubectl apply -f nwpolicy-complete-example.yaml
  345  kubectl expose pod nginx --port=80
  346  kubectl exec -it busybox -- wget --spider --timeout=1 nginx
  347  kubectl label pod busybox access=true
  348  kubectl exec -it busybox -- wget --spider --timeout=1 nginx
  349  vim nwpolicy-complete-example.yaml
  350  history
  351  kubectl exec busybox -- wget --spider --timeout=1 nginx
  352  minikube addons list
  353  minikube addons enable ingress
  354  kubectl get ns
  355  kubectl get pods,svc -n ingress-nginx
  356  kubectl get svc
  357  kubectl create ing -h | less
  358  kubectl create ingress nginxsvc-ingress --rule="/=nginxsvc:80" --rule="/hello=newdep:8080"
  359  sudo vim /etc/hosts
  360  kubectl get ingress
  361  curl nginxsvc.info
  362  kubectl describe ing nginxsvc-ingress
  363  kubectl create deploy newdep --image=gcr.io/google-samples/hello-app:2.0
  364  kubectl expose deploy newdep --port=8080
  365  kubectl describe ing nginxsvc-ingress
  366  curl nginxsvc.info
  367  curl nginxsvc.info/hello
  368  history