CKAD march 24 day2

student@student-virtual-machine:~/ckad$ history
    1  cd ckad/
    2  ./countdown 12
    3  ./countdown 2
    4  ./countdown 1
    5  sudo apt install vim git -y
    6  git clone https://github.com/sandervanvugt/ckad
    7  cd ckad/
    8  ls
    9  ls *sh
   10  ./minikube-docker-setup.sh
   11  minikube start --memory=4G
   12  kubectl get all
   13  minikube status
   14  minikube ssh
   15  kubectl get all
   16  kubectl create deployment firstnginx --image=nginx --replicas=3
   17  kubectl get all
   18  history
   19  kubectl -h | less
   20  kubectl completion -h | less
   21  source <(kubectl completion bash)
   22  history
   23  cd ../.kube/
   24  ls
   25  less config
   26  cd
   27  kubectl config view
   28  kubectl get pods
   29  kubectl get pods -n kube-system
   30  kubectl config set-context --current --namespace=kube-system
   31  kubectl get pods
   32  kubectl config set-context --current --namespace=default
   33  kubectl config -h | less
   34  kubectl config set-context -h | less
   35  history
   36  cd ckad/
   37  ls
   38  cd dockerfile/
   39  ls
   40  vim Dockerfile
   41  docker build -t mymap .
   42  docker images
   43  docker build -h
   44  docker save -h | less
   45  docker images
   46  docker save mymap
   47  docker save mymap -o mymap.tar
   48  cd
   49  cd ckad/
   50  history
   51  kubectl get all
   52  kubectl delete pod firstnginx-d8679d567-7zgv8
   53  kubectl get all
   54  kubectl run -h | less
   55  kubectl run hazelcast --image=hazelcast/hazelcast --port=5701
   56  kubectl get pods
   57  kubectl describe pod hazelcast
   58  history get pods
   59  kubectl get pods
   60  kubectl delete pod hazelcast
   61  kubectl get all
   62  kubectl get pods firstnginx-d8679d567-4gnkf -o yaml | less
   63  kubectl describe pods firstnginx-d8679d567-4gnkf
   64  kubectl run mypod --image=busybox
   65  kubectl get pods
   66  kubectl describe pod mypod | less
   67  kubectl get pods mypod -o yaml | less
   68  kubectl run --help | less
   69  kubectl run yamginx --image=nginx --dry-run=client -o yaml
   70  kubectl run yamginx --image=nginx --dry-run=client -o yaml > yamginx.yaml
   71  vim yamginx.yaml
   72  history
   73  kubectl create deploy test --image=nginx --dry-run=client -o yaml
   74  history
   75  #kubectl create deploy mydb --image=mariadb
   76  kubectl create deploy mydb --image=mariadb --dry-run=client -o yaml | less
   77  vim yamginx.yaml
   78  kubectl create -f yamginx.yaml
   79  kubectl delete -f yamginx.yaml
   80  kubectl apply -f yamginx.yaml
   81  vim yamginx.yaml
   82  kubectl apply -f yamginx.yaml
   83  kubectl delete -f yamginx.yaml
   84  kubectl apply -f yamginx.yaml
   85  kubectl get pods
   86  vim yamginx.yaml
   87  kubectl describe pod yamginx
   88  kubectl logs yamginx
   89  history
   90  vim sidecar.yaml
   91  kubectl apply -f sidecar.yaml
   92  kubectl exec -it sidecar-pod -- /bin/bash
   93  kubectl exec -it sidecar-pod -c sidecar -- /bin/bash
   94  vim sidecar.yaml
   95  vim init-example1.yaml
   96  kubectl apply -f init-example1.yaml
   97  kubectl get pods
   98  kubectl describe pod init-demo1
   99  vim init-example2.yaml
  100  kubectl apply -f init-example2.yaml
  101  kubectl get pods
  102  kubectl describe pod init-demo2
  103  kubectl get ns
  104  kubectl get pods -n default
  105  kubectl get pods -n kube-system
  106  kubectl describe ns default
  107  history
  108  kubectl get all -A
  109  kubectl create ns secret
  110  kubectl get ns
  111  kubectl describe ns secret
  112  vim busybox-ns.yaml
  113  kubectl run pod busybox -- sleep 3600
  114  kubectl run pod sleepyone --image=busybox -- sleep 3600
  115  kubectl get pods
  116  kubectl run secretginx --image=nginx -n secret
  117  kubectl get pods
  118  kubectl get pods -A
  119  kubectl config set-context --current --namespace=secret
  120  kubectl get pods
  121  kubectl config set-context --current --namespace=default
  122  history
  123  kubectl run nginx-lab --image=nginx
  124  kubectl get pods
  125  kubectl describe pod pod
  126  kubectl explain pods.spec | less
  127  kubectl explain pods.spec.volumes | less
  128  kubectl explain deploy.spec | less
  129  kubectl get pods
  130  kubectl exec -it mypod -- sh
  131  kubectl exec -it yamginx -- sh
  132  history
  133  kubectl describe pod sidecar-pod | less
  134  kubectl run faildb --image=mariadb
  135  kubectl get pods
  136  kubectl describe pod faildb | less
  137  kubectl logs faildb
  138  kubectl delete pod faildb
  139  kubectl run --help | less
  140  kubectl run successdb --image=mariadb --env=MARIADB_ROOT_PASSWORD=password
  141  kubectl get pods
  142  history
  143  kubectl get pods
  144  kubectl logs firstnginx-d8679d567-4gnkf
  145  kubectl explain pod.spec | less
  146  kubectl explain pod.spec.securityContext | less
  147  kubectl explain pod.spec.containers.securityContext | less
  148  vim securitycontextdemo2.yaml
  149  kubectl apply -f securitycontextdemo2.yaml
  150  kubectl get pods
  151  kubectl exec -it security-context-demo -- sh
  152  vim securitycontextdemo.yaml
  153  kubectl apply -f securitycontextdemo.yaml
  154  kubectl get pods
  155  kubectl describe pod nginxsecure
  156  history
  157  kubectl delete all --all
  158  sudo poweroff
  159  history
  160  minikube start
  161  kubectl get all
  162  source <(kubectl completion bash)
  163  kubectl get all
  164  kubectl get pods -A
  165  kubectl explain jobs.spec
  166  kubectl explain jobs.spec | less
  167  kubectl create job -h | less
  168  kubectl create job onejob --image=busybox -- date
  169  kubectl get all
  170  kubectl get jobs -o yaml | less
  171  kubectl api-resources | less
  172  kubectl create job another --image=busybox -- sleep 120
  173  kubectl get jobs -o yaml | less
  174  kubectl get jobs onejob -o yaml | grep restartP
  175  kubectl get all
  176  kubectl delete job onejob
  177  kubectl get all
  178  kubectl create job mynewjob --image=busybox --dry-run=client -o yaml -- sleep 5 > mynewjob.yaml
  179  kubectl create job -h | less
  180  vim mynewjob.yaml
  181  kubectl apply -f mynewjob.yaml
  182  kubectl explain --recursive jobs.spec
  183  kubectl explain --recursive jobs.spec | grep -C 5 ttlSecondsA
  184  vim mynewjob.yaml
  185  kubectl apply -f mynewjob.yaml
  186  kubectl get all
  187  kubectl delete job another
  188  kubectl get all
  189  kubectl apply -f mynewjob.yaml
  190  kubectl get all
  191  kubectl create cronjob -h | less
  192  kubectl explain cronjob.spec.schedule
  193  kubectl create cronjob runme --image=busybox --schedule="*/1 * * * *" -- echo greetings from the cluster
  194  kubectl get all
  195  kubectl logs pod/runme-28494093-r2sjw
  196  kubectl delete cronjobs.batch runme
  197  kubectl create cronjob -h | less
  198  kubectl create cronjob hellojob --image=busybox --schedule="*/4 * * * *" -- echo hello world
  199  cd ckad/
  200  ls
  201  cd labs
  202  ls
  203  ./ckad-lab5-grade.sh
  204  kubectl explain pods.spec.containers.resources
  205  kubectl create ns limited
  206  kubectl describe ns limited
  207  kubectl create quota -h | less
  208  #kubectl create quota my-quota --hard=cpu=1,memory=1G,pods=2,services=3,replicationcontrollers=2,resourcequotas=1,secrets=5,persistentvolumeclaims=10
  209  kubectl create quota limited-quota --hard=memory=1G,pods=3
  210  kubectl describe ns limited
  211  kubectl create deploy testing --image=nginx --replicas=5
  212  kubectl get all
  213  kubectl describe deploy testing
  214  kubectl get all
  215  kubectl describe replicasets.apps testing-748d4566d5
  216  kubectl describe ns default
  217  kubectl get quota
  218  kubectl delete quota limited-quota
  219  kubectl get all
  220  kubectl scale deployment testing --replicas 4
  221  kubectl get all
  222  history
  223  kubectl create quota limited-quota --hard=memory=1G,pods=3 -n limited
  224  kubectl get ns limited
  225  kubectl describe ns limited
  226  kubectl create deploy another --image=nginx --replicas=5
  227  kubectl delete deploy another
  228  kubectl create deploy another --image=nginx --replicas=5 -n limited
  229  kubectl get all -n limited
  230  kubectl describe -n limited replicaset another-664d446fc6
  231  kubectl set resources -h | less
  232  #kubectl set resources deployment nginx --limits=cpu=200m,memory=512Mi --requests=cpu=100m,memory=256Mi
  233  kubectl get all -n limited
  234  kubectl set -n limited resources deployment another --limits=memory=256Mi
  235  kubectl get all -n limited
  236  kubectl describe ns limited
  237  history
  238  kubectl get all -n limited
  239  kubectl get pods -n limited another-5749bcc7dd-6nqcc
  240  kubectl get pods -n limited another-5749bcc7dd-6nqcc -o yaml
  241  history
  242  kubectl get services
  243  cd ..
  244  vim busybox-ready.yaml
  245  kubectl apply -f busybox-ready.yaml
  246  kubectl get pods
  247  kubectl describe pod busybox-ready
  248  kubectl edit pods busybox-ready
  249  kubectl exec -it busybox-ready -- sh
  250  kubectl get pods
  251  vim nginx-probes.yaml
  252  kubectl apply -f nginx-probes.yaml
  253  kubectl get pods
  254  kubectl create deploy myweb --image=nginx --replicas=3
  255  kubectl get all
  256  kubectl describe deployments.apps myweb
  257  kubectl get all --selector app=myweb
  258  kubectl delete pod myweb-9794cbc77-85rd4
  259  kubectl get all --selector app=myweb
  260  kubectl run mypod --image=nginx
  261  kubectl get all
  262  kubectl delete pod mypod
  263  kubectl get all
  264  kubectl apply -f redis-deploy.yaml
  265  vim redis-deploy.yaml
  266  kubectl api-resources | less
  267  vim redis-deploy.yaml
  268  kubectl apply -f redis-deploy.yaml
  269  history
  270  kubectl get all
  271  kubectl delete cronjobs.batch hellojob
  272  kubectl edit deployments.apps redis
  273  kubectl get all
  274  kubectl delete rs
  275  kubectl delete rs redis-65fbbd8f94
  276  kubectl get all
  277  history
  278  kubectl create deploy nginxup --image=nginx:1.14
  279  kubectl get all --selector app=nginxup
  280  kubectl scale deployment nginxup --replicas=3
  281  kubectl get all --selector app=nginxup
  282  kubectl set image deploy nginxup nginx=nginx:1.17
  283  kubectl get all --selector app=nginxup
  284  kubectl get pods --show-labels
  285  kubectl get pods myweb-9794cbc77-h45br -o yaml | less
  286  kubectl get deploy redis -o yaml | less
  287  kubectl create deploy  bluelabel --image=nginx
  288  kubectl label deploy bluelabel state=demo
  289  kubectl get deploy --show-labels
  290  kubectl get all --selector state=demo
  291  kubectl get all --selector app=bluelabel
  292  kubectl get deploy bluelabel -o yaml | less
  293  kubectl describe pod bluelabel-59d6bcf7ff-p9h5p -o yaml | less
  294  kubectl describe pod bluelabel-59d6bcf7ff-p9h5p
  295  kubectl label pod bluelabel-59d6bcf7ff-p9h5p app-
  296  kubectl get pods | grep blue
  297  kubectl get pods --show-labels | grep blue
  298  history
  299  kubectl get deploy -o yaml
  300  kubectl get deploy bluelabel -o yaml
  301  kubectl scale deploy bluelabel --replicas=4
  302  kubectl get all --selector app=bluelabel
  303  kubectl set env deploy bluelabel type=blended
  304  kubectl get all --selector app=bluelabel
  305  vim rolling.yaml
  306  kubectl apply -f rolling.yaml
  307  kubectl rollout history deployment
  308  kubectl edit deployments.apps rolling-nginx
  309  kubectl rollout history deployment
  310  kubectl describe deployments.apps rolling-nginx
  311  kubectl rollout history deployment rolling-nginx --revision=2
  312  kubectl rollout history deployment rolling-nginx --revision=1
  313  kubectl rollout undo deployment rolling-nginx --to-revision=1
  314  kubectl get all
  315  kubectl delete all --all
  316  kubectl create deploy nginxsvc --image=nginx
  317  kubectl get all
  318  kubectl scale deploy nginxsvc --replicas=3
  319  kubectl expose deploy nginxsvc --port=80
  320  kubectl get all
  321  kubectl describe svc nginxsvc
  322  kubectl get pods -o wide
  323  kubectl get endpoints
  324  kubectl get svc
  325  curl 10.101.243.185
  326  minikube ssh
  327  kubectl edit svc nginxsvc
  328  kubectl get svc
  329  minikube ip
  330  curl 192.168.49.2:32519
  331  history
  332  kubectl get svc
  333  kubectl get all -n kube-system
  334  kubectl get pods -o wide -n kube-system
  335  kubectl get endpoints -A
  336  kubectl run testpod --image=busybox -- sleep 3600
  337  kubectl create ns other
  338  kubectl run newginx --image=nginx -n other
  339  kubectl expose pod -n other newginx --port=80
  340  kubectl get svc -A
  341  kubectl get svc,pods -n kube-system
  342  kubectl get svc
  343  kubectl exec -it testpod -- cat /etc/resolv.conf
  344  kubectl exec -it testpod -- nslookup nginxsvc
  345  kubectl exec -it testpod -- nslookup newginx
  346  kubectl get svc -A
  347  kubectl exec -it testpod -- nslookup newginx.other.svc.cluster.local
  348  history
  349  kubectl get svc
  350  kubectl get svc -A
  351  vim nwpolicy-complete-example.yaml
  352  kubectl apply -f nwpolicy-complete-example.yaml
  353  kubectl expose pod nginx --port=80
  354  kubectl exec -it busybox -- wget --spider --timeout=1 nginx
  355  kubectl get pods --show-labels
  356  kubectl describe networkpolicies.networking.k8s.io
  357  minikube addons list
  358  kubectl get all -n kube-system
  359  kubectl get ns
  360  kubectl apply -f https://docs.projectcalico.org/manifests/calico.yaml
  361  kubectl get pods -A
  362  kubectl exec -it busybox -- wget --spider --timeout=1 nginx
  363  minikube stop
  364  minikube start
  365  kubectl exec -it busybox -- wget --spider --timeout=1 nginx
  366  kubectl get pods
  367  kubectl get networkpolicy
  368  kubectl get pods
  369  kubectl apply -f nwpolicy-complete-example.yaml
  370  kubectl exec -it busybox -- wget --spider --timeout=1 nginx
  371  minikube stop
  372  minikube start --cni=calico
  373  kubectl get ns
  374  kubectl get pods -n kube-system
  375  kubectl exec -it busybox -- wget --spider --timeout=1 nginx
  376  kubectl delete -f nwpolicy-complete-example.yaml
  377  kubectl all
  378  kubectl get all
  379  kubectl apply -f nwpolicy-complete-example.yaml
  380  kubectl get svc
  381  kubectl describe svc nginx
  382  kubectl exec -it busybox -- wget --spider --timeout=1 nginx
  383  kubectl edit svc nginxsvc
  384  history