kube3weeks march 23 all days

student@control:~$ history
    1  exit
    2  free -m
    3  lscpu | less
    4  df -h
    5  git clone https://github.com/sandervanvugt/kube3weeks
    6  cd kube3weeks/
    7  ./countdown 15
    8  ls -l *sh
    9  cd ..
   10  cd kube3weeks/
   11  git pull
   12  history
   13  vim setup-container.sh
   14  ./setup-container.sh
   15  sudo systemctl status containerd
   16  history
   17  ./setup-kubetools.sh
   18  sudo ./setup-kubetools.sh
   19  sudo kubeadm init
   20  mkdir -p $HOME/.kube
   21  kubectl get all
   22  ls cal*
   23  kubectl apply -f calico.yaml
   24  history
   25  sudo systemctl status containerd
   26  free -m
   27  history
   28  kubectl get all
   29  source <(kubectl completion bash)
   30  kubectl create deploy myfirstapp --image=nginx --replicas=3
   31  kubectl get all
   32  history
   33  kubectl get all
   34  kubectl delete pod myfirstapp-ff8c4b4d4-fkg4h
   35  kubectl get all
   36  history
   37  kubectl run lonelypod --image=nginx
   38  kubectl get all
   39  kubectl delete pod lonelypod
   40  kubectl get all
   41  history
   42  sudo systemctl status containerd
   43  sudo systemctl status kubelet
   44  kubectl get pods -n kube-system
   45  kubectl get all
   46  kubectl config view
   47  kubectl get nodes
   48  kubectl edit nodes control
   49  kubectl get all
   50  history | grep create depl
   51  history | grep 'create depl'
   52  kubectl api-resources | less
   53  kubectl explain pod.spec
   54  kubectl explain pod.spec | less
   55  history
   56  kubectl run mynginx --image=nginx --dry-run=client -o yaml
   57  kubectl run mynginx --image=nginx --dry-run=client -o yaml > mynginx.yaml
   58  kubectl explain pods.spec
   59  kubectl explain pods.spec.volumes
   60  kubectl apply -f mynginx.yaml
   61  kubectl create -f mynginx.yaml
   62  kubectl get pods
   63  kubectl delete -f mynginx.yaml
   64  ./countdown 13
   65  vim multicontainer.yaml
   66  kubectl apply -f multicontainer.yaml
   67  kubectl get pods
   68  vim initcontainer.yaml
   69  kubectl create -f initcontainer.yaml
   70  kubectl get pods
   71  kubectl get ns
   72  kubectl get pods
   73  kubectl get pods -n kube-system
   74  kubectl create ns myns
   75  kubectl get ns
   76  kubectl run mypod --image=nginx -n myns
   77  kubectl get pods
   78  kubectl get pods -n myns
   79  kubectl get pods -A
   80  history
   81  kubectl config set-context --current namespace=myns
   82  kubectl config set-context --current --namespace=myns
   83  kubectl get pods
   84  kubectl config set-context --current --namespace=default
   85  kubectl get pdos
   86  kubectl get pods
   87  kubectl config view
   88  history
   89  kubectl run mydb --image=mariadb
   90  kubectl get pods
   91  kubectl describe pods mydb
   92  kubectl get pods
   93  kubectl describe pod mydb | less
   94  history
   95  kubectl logs mydb
   96  kubectl delete pod mydb
   97  kubectl run -h | less
   98  kubectl run dbsdb --image=mariadb --env MARIADB_ROOT_PASSWORD=password
   99  kubectl get pods
  100  ls
  101  cd ..
  102  cd kube3weeks/
  103  git pull
  104  vim frontend-resources.yaml
  105  kubectl apply -f frontend-resources.yaml
  106  kubectl get pods
  107  kubectl describe pod frontend
  108  vim frontend-resources.yaml
  109  kubectl delete pod frontend
  110  kubectl apply -f frontend-resources.yaml
  111  kubectl get pods
  112  kubectl describe pod frontend
  113  kubectl delete pod frontend
  114  kubectl run busy --image=busybox
  115  kubectl get pods
  116  kubectl describe pod busy | less
  117  kubectl logs busy
  118  history
  119  kubectl get pods -o wide
  120  history
  121  sudo poweroff
  122  cd kube3weeks/
  123  ./countdown 15
  124  ls
  125  cd kube3weeks/
  126  ./countdown 13
  127  kubectl get all
  128  source <(kubectl completion bash)
  129  kubectl get deploy
  130  kubectl delete deploy myfirstapp
  131  kubectl create deploy mynginx --image=nginx --replicas=3
  132  kubectl get all
  133  kubectl delete pod mynginx-56766fcf49-88vjj
  134  kubectl get all
  135  kubectl scale deploy mynginx --replicas=4
  136  kubectl get all
  137  kubectl scale deploy mynginx --replicas=0
  138  history
  139  kubectl get all
  140  kubectl edit deploy mynginx
  141  kubectl create deploy oldnginx --image=nginx:1.14 --replicas=3
  142  kubectl get all --selector app=oldnginx
  143  kubectl set image deploy oldnginx nginx=nginx:latest
  144  kubectl get all --selector app=oldnginx
  145  kubectl rollout status
  146  kubectl rollout status deployment oldnginx
  147  kubectl rollout history deployment oldnginx
  148  kubectl get all --selector app=oldnginx -o wide
  149  kubectl edit deployments.apps oldnginx
  150  kubectl get deploy oldnginx -o yaml
  151  kubectl create deploy lnginx --image=nginx --replicas=3
  152  kubectl get all --show-labels
  153  kubectl get all --selector app=lnginx
  154  kubectl label pod lnginx-54d4579875-2jwjt app-
  155  kubectl get all
  156  kubectl delete pod lnginx-54d4579875-2jwjt
  157  kubectl get all
  158  history
  159  kubectl get deploy
  160  kubectl delete deploy lnginx mynginx oldnginx
  161  kubectl create deploy daemondemo --image=nginx --dry-run=client -o yaml > daemondemo.yaml
  162  vim daemondemo.yaml
  163  kubectl apply -f daemondemo.yaml
  164  kubectl get daemonset
  165  kubectl get all --selector app=daemondemo
  166  kubectl get all --selector app=daemondemo -o wide
  167  history
  168  vim daemondemo.yaml
  169  kubectl edit nodes control
  170  kubectl create deploy nginxsvc --image=nginx
  171  kubectl scale deploy nginxsvc --replicas 3
  172  kubectl get all --selector app=nginxsvc
  173  kubectl expose deploy nginxsvc --port=80
  174  kubectl get all --selector app=nginxsvc
  175  kubectl describe svc nginxsvc
  176  kubectl get svc
  177  kubectl get enpoints
  178  kubectl get endpoints
  179  curl 10.109.60.162
  180  kubectl edit svc nginxsvc
  181  kubectl get svc
  182  ip a
  183  history
  184  kubectl edit svc nginxsvc
  185  kubectl get svc
  186  kubectl edit svc nginxsvc
  187  kubectl get svc
  188  kubectl edit svc nginxsvc
  189  kubectl get svc
  190  kubectl edit svc nginxsvc
  191  kubectl get svc
  192  kubectl edit svc nginxsvc
  193  cat daemondemo.yaml
  194  kubectl get svc
  195  kubectl run testpod --image=busybox -- sh
  196  kubectl exec -it testpod -- sh
  197  kubectl delete pod testpod
  198  kubectl run -it testpod --image=busybox -- sh
  199  kubectl run -it testpod --image=sandervanvugt/gittools -- sh
  200  kubectl run -it testpod2 --image=sandervanvugt/gittools -- sh
  201  reset
  202  kubectl get pods
  203  kubectl delete pod testpod
  204  kubectl delete pod testpod2
  205  kubectl run -it testpod --image=busybox -- sh
  206  kubectl get svc
  207  kubectl get svc -A
  208  history
  209  ls
  210  tar xvf helm-v3.11.2-linux-amd64.tar.gz
  211  ls -l linux-amd64/helm
  212  sudo cp linux-amd64/helm /usr/local/bin
  213  helm version
  214  helm upgrade --install ingress-nginx ingress-nginx --repo https://kubernetes.github.io/ingress-nginx --namespace ingress-nginx --create-namespace
  215  kubectl get all -n ingress-nginx
  216  kubectl get all --selector app=nginxsvc
  217  kubectl create ingress nginxsvc --class=nginx --rule=nginxsvc.info/*=nginxsvc:80
  218  kubectl port-forward -n ingress-nginx svc/ingress-nginx-controller 8080:80
  219  bg
  220  history
  221  sudo vim /etc/hosts
  222  curl nginxsvc.info:8080
  223  history
  224  kubectl get ing,svc,pods --selector app=nginxsvc
  225  kubectl get ing,svc,pods
  226  kubectl describe ing nginxsvc
  227  history
  228  helm version
  229  kubectl explain pods.spec.volumes | less
  230  cd kube3weeks/
  231  ls
  232  vim morevolumes.yaml
  233  kubectl apply -f morevolumes.yaml
  234  kubectl get pods
  235  kubectl get pods -o wide
  236  kubectl describe pod morevol2
  237  kubectl exec -it morevol2 -c centos1 -- touch /centos1/testfile
  238  kubectl exec -it morevol2 -c centos2 -- ls /centos2
  239  history
  240  vim pv.yaml
  241  kubectl apply -f pv.yaml
  242  kubectl get pv
  243  vim pvc.yaml
  244  kubectl apply -f pvc.yaml
  245  kubectl get pvc,pv
  246  kubectl describe pv
  247  vim pv-pod.yaml
  248  kubectl apply -f pv-pod.yaml
  249  kubectl get pods
  250  kubectl exec -it pv-pod -- touch /usr/share/nginx/html/hello.txt
  251  kubectl get pods -o wide
  252  ssh student@192.168.29.41
  253  ls
  254  vim pv-pvc-pod.yaml
  255  history
  256  kubectl get pods -o wide
  257  kubectl describe pod pv-pod
  258  kubectl get pvc,pv
  259  kubectl describe pv pv-volume
  260  kubectl get pods -o wide
  261  ssh 192.168.29.41
  262  sudo apt install nfs-server -y
  263  sudo mkdir /nfsexport
  264  sudo vim /etc/exports
  265  sudo systemctl restart nfs-server
  266  showmount -e localhost
  267  sudo vim /etc/hosts
  268  helm repo add nfs-subdir-external-provisioner https://kubernetes-sigs.github.io/nfs-subdir-external-provisioner/
  269  helm install nfs-subdir-external-provisioner nfs-subdir-external-provisioner/nfs-subdir-external-provisioner --set nfs.server=192.168.29.40 --set nfs.path=/nfsexport
  270  kubectl get all
  271  kubectl get pods -n kube-system
  272  kubectl get pv
  273  vim nfs-provisioner-pvc-test.yaml
  274  kubectl get storageclass
  275  kubectl describe storageclass nfs-client
  276  kubectl edit storageclasses.storage.k8s.io nfs-client
  277  kubectl apply -f nfs-provisioner-pvc-test.yaml
  278  kubectl get pvc,pv
  279  vim nfs-provisioner-pvc-test.yaml
  280  kubectl apply -f nfs-provisioner-pvc-test.yaml
  281  kubectl get pvc,pv
  282  ls /nfsexport/
  283  history
  284  ./countdown 1
  285  cat /etc/exports
  286  history
  287  tail -n /etc/exports
  288  tail -1 /etc/exports
  289  cat /etc/hosts
  290  helm repo add kubernetes-dashboard https://kubernetes.github.io/dashboard/
  291  helm install kubernetes-dashboard kubernetes-dashboard/kubernetes-dashboard
  292  kubectl get all
  293  kubectl edit deploy kubernetes-dashboard
  294  kubectl get all
  295  kubectl get pods
  296  kubectl get svc
  297  kubectl edit svc kubernetes-dashboard
  298  kubectl get svc
  299  echo RBAC PROBLEM ON DASHBOARDkubectl get svc!
  300  history
  301  sudo poweroff
  302  kubectl get all
  303  history
  304  cd kube3weeks/
  305  vim varsfile
  306  kubectl create cm mydbvars --from-env-file=varsfile
  307  source <(kubectl completion bash)
  308  kubectl describe cm mydbvars
  309  kubectl get cm mydbvars -o yaml
  310  kubectl create deploy mydb --image=mariadb --replicas=3
  311  kubectl get all --selector app=mydb
  312  kubectl set env deploy mydb --from=configmap/mydbvars
  313  kubectl get all --selector app=mydb
  314  kubectl get deployments.apps mydb -o yaml | less
  315  history
  316  echo hello > index.html
  317  kubectl create cm myindex --from-file=index.html
  318  kubectl describe cm myindex
  319  kubectl create deploy myweb --image=nginx
  320  kubectl edit deploy myweb
  321  kubectl exec -it myweb-589445db67-wj5tp -- cat /usr/share/nginx/html/index.html
  322  kubectl get pods -o wide
  323  history
  324  kubectl create secret generic -h | less
  325  kubectl create secret generic dbsecret --from-literal=MYPASSWORD=password
  326  kubectl describe secrets dbsecret
  327  kubectl get secrets dbsecret -o yaml
  328  echo cGFzc3dvcmQ= | base64 -d
  329  kubectl set env deploy mydb --from=secret/dbsecret
  330  kubectl get deploy mydb -o yaml | less
  331  kubectl exec -it mydb-568db98b4d-zm6nb -- env
  332  history
  333  kubectl create secret docker-registry mycreds --docker-username=unclebob --docker-password=secretpw --docker-email=uncle@bob.org --docker-server=myregistry:5000
  334  kubectl explain pod.spec.containers | less
  335  kubectl explain pod.spec | less
  336  history
  337  kubectl edit deploy kubernetes-dashboard
  338  kubectl edit svc kubernetes-dashboard
  339  ./countdown 13
  340  kubectl get ns
  341  kubectl get pods
  342  kubectl edit deployments.apps kubernetes-dashboard
  343  kubectl get sa
  344  history
  345  kubectl get sa kubernetes-dashboard -o yaml
  346  kubectl api-resources | less
  347  kubectl get clusterrolebindings.rbac.authorization.k8s.io
  348  kubectl get clusterrolebindings.rbac.authorization.k8s.io | wc
  349  kubectl get clusterrolebindings.rbac.authorization.k8s.io | grep dash
  350  kubectl describe clusterrolebindings.rbac.authorization.k8s.io kubernetes-dashboard-metrics
  351  kubectl describe clusterrole kubernetes-dashboard-metrics
  352  history
  353  kubectl get clusterroles | less
  354  kubectl describe clusterrole cluster-admin
  355  kubectl describe clusterrole admin
  356  history
  357  kubectl create clusterrolebinding -h | less
  358  kubectl create clusterrolebinding kubernetes-dashboard-cluster-admin --clusterrole=cluster-admin --serviceaccount=kubernetes-dashboard
  359  kubectl create clusterrolebinding kubernetes-dashboard-cluster-admin --clusterrole=cluster-admin --serviceaccount=default:kubernetes-dashboard
  360  kubectl describe clusterrolebindings.rbac.authorization.k8s.io kubernetes-dashboard-cluster-admin
  361  kubectl get pods
  362  kubectl delete pod kubernetes-dashboard-55f488db5d-vmzxp
  363  kubectl get pods
  364  history
  365  kubectl get service
  366  vim statefulset.yaml
  367  kubectl get storageclass
  368  kubectl get pvc,pv
  369  vim statefulset.yaml
  370  kubectl apply -f statefulset.yaml
  371  kubectl get statefulsets.apps,pv,pvc,svc
  372  kubectl get pods
  373  vim statefulset.yaml
  374  helm install bitnami/mysql --generate-name
  375  helm repo add bitnami/bitnami
  376  helm repo add bitnami https://charts.bitnami.com/bitnami
  377  helm install bitnami/mysql --generate-name
  378  kubectl get all | less
  379  kubectl describe pods mysql-1679666722-0
  380  kubectl get pvc
  381  kubectl describe pvc data-mysql-1679666722-0
  382  kubectl get pvc www-web-0 | less
  383  kubectl get pvc www-web-0 -o yaml | less
  384  kubectl edit pvc data-mysql-1679666722-0
  385  kubectl get pvc
  386  kubectl get pods
  387  ./countdown 13
  388  vim statefulset.yaml
  389  kubectl apply -f https://github.com/kubernetes-sigs/metrics-server/releases/lastest/download/components.yaml
  390  minikube addons list
  391  kubectl apply -f https://github.com/kubernetes-sigs/metrics-server/releases/latest/download/components.yaml
  392  kubectl get pods -n kube-system
  393  kubectl edit deployments.apps -n kube-system metrics-server
  394  kubectl get pods -n kube-system
  395  kubectl logs -n kube-system metrics-server-6c74f597cf-c5dgd
  396  kubectl get pods -n kube-system
  397  kubectl top pods
  398  kubectl top nodes
  399  history
  400  ls
  401  cd ..
  402  cd kube3weeks/
  403  git pull
  404  kubectl edit deployments.apps -n kube-system metrics-server
  405  cd autoscaling/
  406  ls
  407  vim Dockerfile
  408  vim index.php
  409  sudo apt install docker.io
  410  sudo docker build -t php-apache .
  411  crictl ps
  412  sudo crictl ps
  413  vim hpa.yaml
  414  kubectl apply -f hpa.yaml
  415  kubectl get deploy hpa
  416  kubectl get deploy php-apache
  417  kubectl autoscale -h | less
  418  kubectl get deploy php-apache
  419  kubectl top pods
  420  kubectl autoscale deployment php-apache --cpu-percent=1 --min=3 --max=10
  421  kubectl get hpa
  422  kubectl top pods
  423  kubectl run -it load-generator --rm --image=busybox --restart=Never -- /bin/sh -c "while sleep 0.01; do wget -q -O - http://php-apache; done"
  424  kubectl get hpa
  425  vim hpa.yaml
  426  history
  427  kubectl get hpa
  428  kubectl top pods
  429  kubectl get hpa
  430  kubectl get deployments.apps php-apache
  431  kubectl api-resources | less
  432  cd ..
  433  vim crd-object.yaml
  434  kubectl apply -f crd-object.yaml
  435  kubectl api-resources | grep back
  436  cat crd-backup.yaml
  437  kubectl create -f crd-backup.yaml
  438  kubectl get backups.stable.example.com
  439  kubectl get backups.stable.example.com -o yaml
  440  ./countdown 13
  441  kubectl get backups.stable.example.com -o yaml
  442  cd ..
  443  git clone https://github.com/sandervanvugt/kcna
  444  cd kcna/
  445  ls
  446  cd kubernetes-prometheus/
  447  ls
  448  kubectl apply -f .
  449  kubectl create ns monitoring
  450  kubectl apply -f .
  451  kubectl get all -n monitoring
  452  kubectl delete -f .
  453  cd
  454  git clone https://github.com/prometeheus-operator/kube-prometheus
  455  git clone https://github.com/prometheus-operator/kube-prometheus
  456  cd kube
  457  cd kube-prometheus/
  458  kubectl create -f manifests/setup/
  459  kubectl create -f manifests/
  460  kubectl get pods -n monitoring
  461  kubectl top pods
  462  kubectl top pods -n monitor
  463  kubectl top pods -n monitoring
  464  kubectl top nodes
  465  kubectl get svc -n monitoring
  466  kubectl -n monitoring port-forward svc/prometheus-k8s 9090
  467  bg
  468  kubectl -n monitoring port-forward svc/grafana 3000 &
  469  kubectl get pods -n monitoring
  470  kubectl edit -n monitoring prometheus-k8s
  471  kubectl edit -n monitoring svc prometheus-k8s
  472  kubectl get svc -n monitoring
  473  cd
  474  history