CKAD day2 Oct22

#### ON <MINIKUBE
student@student-virtual-machine:~/ckad$ history
    1  sudo apt install vim git
    2  cd ckad
    3  ./countdown 15
    4  ./countdown 13
    5  ./countdown 1
    6  git clone https://github.com/sandervanvugt/ckad
    7  sudo apt install git vim -y
    8  git clone https://github.com/sandervanvugt/ckad
    9  cd ckad
   10  ls
   11  ./minikube-docker-setup.sh
   12  minikube start --vm-driver=docker --cni=calico
   13  kubectl get all
   14  minikube ssh
   15  kubectl get all
   16  minikube status
   17  minikube dashboard
   18  kubectl get all
   19  kubectl create deployment firstginx --image=nginx --replicas=3
   20  kubectl get all
   21  history
   22  source <(kubectl completion bash)
   23  sudo apt install bash-completion
   24  kubectl -h
   25  kubectl create -h | less
   26  kubectl create deploy -h | less
   27  history
   28  cd
   29  cd .kube/
   30  cat config
   31  kubectl config view
   32  kubectl config set-context --current --namespace=mynamespace
   33  kubectl config set-context --current --namespace=default
   34  cd
   35  cd ckad
   36  ls
   37  cd dockerfile/
   38  ls
   39  vim Dockerfile
   40  docker build -t nmap .
   41  docker images
   42  docker save --help | less
   43  docker save -o nmap.tar nmap
   44  ls -l
   45  cd ..
   46  history
   47  ./countdown 1
   48  kubectl get pods
   49  kubectl get pods firstginx-7c4fcf6b55-bk2c5 -o yaml| less
   50  kubectl get all
   51  kubectl delete deploy dashginx
   52  kubectl get all
   53  kubectl delete pod firstginx-7c4fcf6b55-bk2c5
   54  kubectl get all
   55  kubectl run -h | less
   56  kubectl run nginx --image=nginx
   57  kubectl get all
   58  kubectl delete pod nginx
   59  kubectl get all
   60  kubectl describe pod firstginx-7c4fcf6b55-t4grh
   61  history
   62  kubectl get pods firstginx-7c4fcf6b55-bk2c5 -o yaml| less
   63  kubectl get pods firstginx-7c4fcf6b55-t4grh -o yaml | less
   64  kubectl explain pods
   65  kubectl explain pods.spec | less
   66  kubectl explain pods.spec.affinity | less
   67  kubectl explain --recursive pods.spec
   68  kubectl explain --recursive pods.spec | wc
   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 sidecar.yaml
   72  kubectl apply -f sidecar.yaml
   73  kubectl exec -it sidecar-pod -c sidecar -- /bin/bash
   74  kubectl get pods
   75  vim sidecar.yaml
   76  docker search httpd | grep centos
   77  kubectl exec -it sidecar-pod -c sidecar -- /bin/bash
   78  kubectl delete pod sidecar-pod
   79  vim sidecard2.yaml
   80  kubectl create -f sidecard2.yaml
   81  vim sidecard2.yaml
   82  kubectl create -f sidecard2.yaml
   83  vim sidecard2.yaml
   84  kubectl create -f sidecard2.yaml
   85  kubectl get pods
   86  kubectl describe pods two-containers
   87  kubectl exec -it two-containers -c nginx-container -- sh
   88  history
   89  vim init-example1.yaml
   90  kubectl apply -f init-example1.yaml
   91  kubectl get pods
   92  kubectl describe pods init-demo1
   93  kubectl get pods
   94  vim init-example2.yaml
   95  kubectl create -f init-example2.yaml
   96  kubectl get pods
   97  sudo reboot
   98  sudo -i
   99  history | less
  100  minikube start --vm-driver=docker --cni=calico
  101  cd ckad
  102  vim init-example1.yaml
  103  kubectl get pods
  104  kubectl delete pod init-demo1
  105  vim init-example1.yaml
  106  kubectl create -f init-example1.yaml
  107  kubectl get pods
  108  wget -O http://info.cern.ch
  109  wget -O /tmp/index.html http://info.cern.ch
  110  cat /tmp/index.html
  111  source <(kubectl completion bash)
  112  kubectl describe pod init-demo1
  113  kubectl logs init-demo1
  114  kubectl logs init-demo1 -c install
  115  wget -O /tmp/index.html http://info.cern.ch
  116  kubectl exec -it init-demo1 -c install -- bash
  117  kubectl exec -it init-demo1 -c install -- sh
  118  kubectl run mydb --image=mariadb
  119  kubectl get pods
  120  kubectl describe pod mydb
  121  kubectl logs mydb
  122  kubectl delete pod mydb
  123  kubectl run -h | less
  124  kubectl run mydb --image=mariadb --env MARIADB_ROOT_PASSWORD=password
  125  kubectl get pods
  126  kubectl run busy --image=busybox
  127  kubectl get pods
  128  kubectl describe pod busy
  129  kubectl get pods busy -o yaml
  130  kubectl get pods
  131  kubectl get ns
  132  kubectl get pods -n default
  133  kubectl get pods -n kube-system
  134  kubectl get all -n kubernetes-dashboard
  135  kubectl describe ns kube-system
  136  kubectl get all -A
  137  kubectl get pods -A
  138  kubectl create ns secret
  139  kubectl run secretpod --image=nginx -n secret
  140  kubectl get pods
  141  kubectl get pods -n secret
  142  kubectl config set-context --current --namespace=secret
  143  kubectl get all
  144  kubectl config set-context --current --namespace=default
  145  history
  146  sudo poweroff
  147  minikube start
  148  kubectl explain pod.spec | less
  149  kubectl explain pod.spec.securityContext | less
  150  kubectl explain pod.spec.containers.securityContext | less
  151  cd ckad/
  152  ls
  153  vim securitycontextdemo2.yaml
  154  kubectl apply -f securitycontextdemo2.yaml
  155  kubectl get pods
  156  kubectl exec -it security-context-demo -- sh
  157  vim securitycontextdemo.yaml
  158  kubectl apply -f securitycontextdemo.yaml
  159  kubectl get pods
  160  kubectl describe nginxsecure
  161  kubectl describe pod nginxsecure
  162  kubectl create job onejob --image=busybox -- date
  163  kubectl get jobs,pods
  164  kubectl get jobs onejob -o yaml | less
  165  kubectl get jobs,pods
  166  kubectl delete job onejob
  167  kubectl get jobs,pods
  168  kubectl create job mynewjob --image=busybox --dry-run=client -o yaml -- sleep 5 > mynewjob.yaml
  169  vim mynewjob.yaml
  170  kubectl apply -f mynewjob.yaml
  171  kubectl get jobs,pods
  172  kubectl explain jobs.spec | less
  173  kubectl explain --recursive jobs.spec  | less
  174  kubectl get jobs,pods
  175  kubectl create cronjob -h | less
  176  kubectl create cronjob runme --image=busybox --schedule="*/10 * * * *" -- echo greetings from the cluster
  177  kubectl get cronjobs,jobs,pods
  178  date
  179  kubectl creat job --from=cronjob/runme
  180  kubectl create job --from=cronjob/runme
  181  kubectl create job testjob --from=cronjob/runme
  182  kubectl get cronjobs,jobs,pods
  183  kubectl logs testjob-6ckzk
  184  source <(kubectl completion bash)
  185  history
  186  kubectl create cronjob sayhello --image=busybox --schedule="* * * * *" -- logger hello world
  187  date
  188  kubectl get jobs,cronjobs,pods
  189  kubectl logs sayhello-27759758-zxwzg
  190  kubectl exec -it sayhello-27759758-zxwzg -- journalctl
  191  vim frontend-resources.yaml
  192  kubectl apply -f frontend-resources.yaml
  193  kubectl get pods
  194  kubectl describe pod frontend
  195  kubectl delete -f frontend.yaml
  196  kubectl delete -f frontend-resources.yaml
  197  vim frontend-resources.yaml
  198  kubectl apply -f frontend-resources.yaml
  199  kubectl get pods
  200  kubectl describe pods frontend
  201  kubectl delete -f frontend-resources.yaml
  202  vim frontend-resources.yaml
  203  kubectl apply -f frontend-resources.yaml
  204  kubectl get pods
  205  kubectl describe pod frontend
  206  kubectl delete -f frontend-resources.yaml
  207  kubectl run httpd --image=httpd:2/4/54-alpine --dry-run=client -o yaml | kubectl set resources -f --limits "memory=512Mi" --requests "memory=512Mi" --local -o yaml | kubectl create -f -
  208  kubectl run httpd --image=httpd:2.4.54-alpine --dry-run=client -o yaml | kubectl set resources -f - --limits "memory=512Mi" --requests "memory=512Mi" --local -o yaml | kubectl create -f -
  209  kubectl get pods httpd -o yaml | less
  210  vim lab6.yaml
  211  kubectl create -f lab6.yaml
  212  kubectl get pods
  213  kubectl get pods webserver -o yaml
  214  history
  215  vim busybox-ready.yaml
  216  kubectl creat -f busybox-ready.yaml
  217  kubectl create -f busybox-ready.yaml
  218  kubectl get pods
  219  kubectl edit pods busybox-ready
  220  kubectl get pods
  221  kubectl exec -it busybox-ready -- touch /tmp/nothing
  222  kubectl get pods
  223  vim nginx-probes.yaml
  224  kubectl create -f nginx-probes.yaml
  225  kubectl get pods
  226  kubectl create deploy -h | less
  227  kubectl create deploy myweb --image=nginx --replicas=3
  228  kubectl describe deploy myweb | less
  229  kubectl get deploy myweb -o yaml | less
  230  kubectl get all
  231  kubectl get all --selector app=myweb
  232  kubectl delete pods myweb-d5b9458bc-5wc98
  233  kubectl get all --selector app=myweb
  234  kubectl run blahpod --image=nginx
  235  kubectl delete pod blahpod
  236  vim redis-deploy.yaml
  237  kubectl create -f redis-deploy.yaml
  238  vim redis-deploy.yaml
  239  kubectl api-versions
  240  vim redis-deploy.yaml
  241  kubectl create -f redis-deploy.yaml
  242  kubectl api-resources | less
  243  kubectl edit deploy redis
  244  kubectl get all --selector app=redis
  245  kubectl delete rs redis-6467896d84
  246  kubectl get all --selector app=redis
  247  kubectl create -h | less
  248  kubectl create deploy -h | less
  249  kubectl create deploy nginxup --image=nginx:1.14 --replicas=7
  250  kubectl get all --selector app=nginxup
  251  kubectl set -h | less
  252  kubectl set image deploy nginxup nginx=nginx:1.17
  253  kubectl get all --selector app=nginxup
  254  kubectl get all --show-labels
  255  kubectl get deploy redis -o yaml | less
  256  history | grep redis
  257  history | grep apply
  258  vim redis-deploy.yaml
  259  kubectl apply -f redis-deploy.yaml
  260  kubectl get deploy redis2 -o yaml | less
  261  kubectl create deploy bluelabel --image=nginx --replicas=2
  262  kubectl label deployments.apps bluelabel state=demo
  263  kubectl get deploy --show-labels
  264  kubectl get deploy --selector state=demo
  265  kubectl get all --selector state=demo
  266  kubectl get all --selector app=bluelabel
  267  kubectl describe deployments.apps bluelabel
  268  kubectl get pods | grep blue
  269  kubectl label pod bluelabel-d7894847c-c2vb5 app-
  270  kubectl get pods | grep blue
  271  kubectl create deploy -h | less
  272  kubectl create deploy blah --image=nginx --label "state=demo"
  273  kubectl get pods --show-labels
  274  kubectl get pods -l run
  275  kubectl get pods -l run --show-labels
  276  kubectl get pods --show-labels | grep run
  277  kubectl get pods --show-labels | grep run=
  278  ./countdown 14
  279  vim lab9.yaml
  280  kubectl apply -f lab9.yaml
  281  kubectl get all
  282  kubectl get jobs,cronjobs,pods --show-labels
  283  kubectl get jobs,cronjobs,pods | grep kill
  284  vim lab9.yaml
  285  kubectl get -h | less
  286  kubectl get deploy bluelabel -o yaml
  287  oc get deploy
  288  kubectl get deploy
  289  kubectl scale deploy bluelabel --replicas=8
  290  kubectl set env deploy bluelabel type=blended
  291  kubectl get all --selector app=bluelabel
  292  kubectl delete all --all
  293  kubectl get all
  294  vim rolling.yaml
  295  kubectl apply -f rolling.yaml
  296  kubectl rollout history deploy
  297  kubectl edit deploy rolling-nginx
  298  kubectl rollout history deploy
  299  kubectl describe deployments.apps rolling-nginx
  300  kubectl rollout history deployment rolling-nginx --revision=2
  301  kubectl rollout history deployment rolling-nginx --revision=1
  302  kubectl rollout undo deployment rolling-nginx --to-revision=1
  303  kubectl rollout history deploy
  304  ./countdown 1
  305  ./countdown 13
  306  kubectl create deploy nginxsvc --image=nginx
  307  kubectl get all --selector app=nginxsvc
  308  kubectl scale deployment nginxsvc --replicas=3
  309  kubectl expose deploy nginxsvc --port=80
  310  kubectl describe svc nginxsvc
  311  kubectl get svc nginxsvc -o yaml
  312  kubectl get svc
  313  kubectl get endpoints
  314  curl 10.106.169.198
  315  minikube ssh
  316  kubectl edit svc nginxsvc
  317  kubectl get svc
  318  minikube ip
  319  curl 192.168.49.2:31486
  320  kubectl run testpod --image=busybox -- sleep 3600
  321  kubectl get svc
  322  kubectl get svc,pods -n kube-system
  323  kubectl exec -it testpod -- cat /etc/resolv.conf
  324  kubectl exec -it testpod -- nslookup nginxsvc
  325  vim nwpolicy-complete-example.yaml
  326  kubectl expose pod nginx --port=80
  327  kubectl create -f nwpolicy-complete-example.yaml
  328  kubectl expose pod nginx --port=80
  329  kubectl get svc,pods,networkpolicy
  330  kubectl exec -it busybox -- wget --spider --timeout=1 nginx
  331  history


######SETTING UP AIO
student@student-virtual-machine:~/cka$ history
    1  history
    2  sudo apt install vim git -y
    3  git clone https://github.com/sandervanvugt/cka
    4  cd cka
    5  ls
    6  sudo ./setup-container.sh
    7  sudo ./setup-kubetools.sh
    8  sudo kubeadm init
    9  mkdir -p $HOME/.kube
   10  kubectl get all
   11  kubectl apply -f https://docs.projectcalico.org/manifests/calico.yaml
   12  kubectl get pods -n kube-system
   13  source <(kubectl completion bash)
   14  kubectl edit nodes student-virtual-machine
   15  kubectl get pods -n kube-system
   16  kubectl create deploy --image=nginx
   17  kubectl create deploy testdep --image=nginx
   18  kubectl get all
   19  history


#######NETWORPOLICY ON AIO
student@student-virtual-machine:~/ckad$ history
    1  sudo apt install git vim -y
    2  git clone https://github.com/sandervanvugt/cka
    3  cd cka
    4  sudo -i
    5  mkdir -p $HOME/.kube
    6  kubectl get all
    7  kubectl apply -f https://docs.projectcalico.org/manifests/calico.yaml
    8  source <(kubectl completion bash)
    9  kubectl edit nodes  student-virtual-machine
   10  kubectl create deploy testdeploy --image=nginx --replicas=3
   11  kubectl get all
   12  cd ..
   13  git clone https://github.com/sandervanvugt/ckad
   14  kubectl get all
   15  cd ckad
   16  kubectl apply -f nwpolicy-complete-example.yaml
   17  kubect expose pod nginx --port=80
   18  kubectl expose pod nginx --port=80
   19  kubectl exec -it busybox -- wget --spider --timeout=1 nginx
   20  kubectl apply -f init-example1.yaml
   21  kubectl get pods
   22  kubectl describe networkpolict
   23  kubectl describe networkpolicy
   24  kubectl labe pod busybox access=true
   25  kubectl label pod busybox access=true
   26  kubectl exec -it busybox -- wget --spider --timeout=1 nginx
   27  history