all-history-nov22.txt

#### after creating user Anna
anna@k3wcontrol:~$ history
    1  sudo ls /root
    2  openssl genrsa -out anna.key 2048
    3  openssl req -new -key anna.key -out anna.csr -subj "/CN=anna/O=k8s"
    4  ls
    5  sudo openssl x509 -req -in anna.csr -CA /etc/kubernetes/pki/ca.crt -CAkey /etc/kubernetes/pki/ca.key -CAcreateserial -out anna.crt -days 1800
    6  kubectl config set-context anna-context --cluster=kubernetes --namespace=staff --user=anna
    7  kubectl config view
    8  kubectl config user-context anna-context
    9  kubectl config use-context anna-context
   10  kubectl get pods
   11  kubectl config get-contexts
   12  exit
   13  kubectl config set-credentials anna --client-certificate=anna.crt --client-key=anna.key
   14  kubectl get all
   15  cat .kube/config 
   16  kubectl config get-contexts
   17  exit
   18  kubectl config view
   19  kubectl create deploy nginx --image=nginx
   20  vim .kube/config 
   21  kubectl create deploy nginx --image=nginx
   22  kubectl create deploy nginx --image=nginx -n default
   23  history
anna@k3wcontrol:~$ cat .kube/config 
apiVersion: v1
clusters: 
- cluster:
    certificate-authority-data: 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
    server: https://192.168.29.110:6443
  name: kubernetes
contexts:
- context:
    cluster: kubernetes
    namespace: staff
    user: anna
  name: anna-context
current-context: anna-context
kind: Config
preferences: {}
users:
- name: anna
  user:
    client-certificate: /home/anna/anna.crt
    client-key: /home/anna/anna.key
student@k3wcontrol:~$ history
    1  ssh 192.168.29.112
    2  exit
    3  sudo apt install git vim -y
    4  git clone https://github.com/sandervanvugt/cka
    5  cd cka
    6  ls
    7  sudo ./setup-container.sh 
    8  sudo ./setup-kubetools.sh 
    9  sudo kubeadm init
   10  history
   11  mkdir -p $HOME/.kube
   12  kubectl get all
   13  kubectl apply -f https://docs.projectcalico.org/manifests/calico.yaml
   14  kubectl get nodes
   15  history
   16  vim cluster-install-instructions.txt
   17  kubectl get all
   18  source <(kubectl completion bash)
   19  kubectl create deployment myfirstapp --image=nginx --replicas=3
   20  kubectl get all
   21  kubectl delete pod myfirstapp-77c9bf8446-dl7fw 
   22  kubectl get all
   23  kubectl run lonelypod --image=nginx
   24  kubectl get all
   25  kubectl delete pod lonelypod 
   26  kubectl get all
   27  kubectl api-resources | less
   28  history
   29  kubectl get pods
   30  kubectl get pods myfirstapp-77c9bf8446-clrsb -o yaml | less
   31  kubectl explain pod.spec | less
   32  kubectl explain pod.spec.containers | less
   33  kubectl explain pod.spec.containers.tty
   34  kubectl run mynginx --image=nginx --dry-run=client -o yaml
   35  kubectl run mynginx --image=nginx --dry-run=client -o yaml > mynginx.yaml
   36  vim mynginx.yaml 
   37  kubectl apply -f mynginx.yaml 
   38  kubectl get pods mynginx -o yaml | less
   39  kubectl delete -f mynginx.yaml 
   40  kubectl create -f mynginx.yaml 
   41  kubectl get pods mynginx -o yaml | less
   42  cd ..
   43  git clone https://github.com/kube3weeks
   44  git clone https://github.com/sandervanvugt/kube3weeks
   45  cd kube3weeks/
   46  vim multicontainer.yaml 
   47  kubectl apply -f multicontainer.yaml 
   48  kubectl get pods
   49  kubectl describe pod multicontainer | less
   50  ./countdown 12
   51  vim logpod.yaml
   52  kubectl apply -f logpod.yaml 
   53  kubectl get pods
   54  kubectl logs counter
   55  kubectl logs counter -c count-log-1
   56  kubectl logs counter -c count-log-2
   57  history
   58  vim initcontainer.yaml
   59  kubectl apply -f initcontainer.yaml ; kubectl get pods
   60  kubectl get pods
   61  cp initcontainer.yaml initagain.yaml
   62  vim initagain.yaml 
   63  kubectl apply -f initagain.yaml 
   64  vim initagain.yaml 
   65  kubectl apply -f initagain.yaml 
   66  kubectl get pods
   67  kubectl get all
   68  kubectl get pods
   69  kubectl config set-context --current --namespace=kube-system
   70  kubectl get pods
   71  kubectl config set-context --current --namespace=default
   72  kubectl config view
   73  kubectl get pods -n kube-system 
   74  kubectl create ns secret
   75  kubectl run secretapp --image=nginx -n secret
   76  kubectl get pods
   77  kubectl get pods -A
   78  kubectl get pods -n secret
   79  history
   80  kubectl create deploy mydb --image=mariadb
   81  kubectl get all --selector app=mariadb
   82  kubectl get all --selector app=mydb
   83  kubectl describe pod mydb-c8bddc94c-m22r5 | less
   84  kubectl logs mydb-c8bddc94c-m22r5 
   85  kubectl run busybox --image=busybox
   86  crictl ps
   87  kubectl get pods
   88  kubectl describe pod busybox 
   89  kubectl get pods
   90  kubectl delete pods busybox 
   91  kubectl run busybox --image=busybox -- sleep 3600
   92  kubectl get pods
   93  history
   94  sudo poweroff
   95  ip a
   96  history
   97  kubectl get deploy
   98  kubectl delete deploy myfirstapp
   99  kubectl create deploy mynginx --image=nginx --replicas=3
  100  kubectl get all --selector app=mynginx
  101  source <(kubectl completion bash)
  102  kubectl delete pod mynginx-ff886775c-cvsq4 
  103  kubectl get all --selector app=mynginx
  104  kubectl scale deployment mynginx --replicas 4
  105  kubectl get all --selector app=mynginx
  106  kubectl scale deployment mynginx --replicas 0
  107  kubectl get all --selector app=mynginx
  108  kubectl edit deploy mynginx 
  109  kubectl set image deploy mynginx nginx=nginx:1.14; kubectl get all --selector app=mynginx
  110  kubectl scale deployment mynginx --replicas 3
  111  kubectl set image deploy mynginx nginx=nginx:1.17; kubectl get all --selector app=mynginx
  112  kubectl get all --selector app=mynginx
  113  kubectl create deploy oldnginx --image=nginx:1.14 --replicas=3
  114  kubectl get all --selector app=oldnginx
  115  kubectl set image -h | less
  116  kubectl set image deploy oldnginx nginx=nginx:1.17; kubectl get all --selector app=oldnginx
  117  kubectl get all --selector app=oldnginx
  118  kubectl rollout history 
  119  kubectl rollout history deploy oldnginx 
  120  kubectl get deployments.apps oldnginx -o yaml | less
  121  kubectl get all --show-labels
  122  kubectl label pod oldnginx-687b4bdcbf-4kc4n app-
  123  kubectl get all --show-labels
  124  kubectl create deploy lnginx --image=nginx --replicas=3
  125  kubectl get all --show-labels
  126  kubectl delete deployments.apps mynginx 
  127  kubectl delete deployments.apps oldnginx 
  128  kubectl get all --show-labels
  129  kubectl get all --selector app=lnginx
  130  kubectl label pod lnginx-6d99fdb9bc-g69c5 app-
  131  kubectl get pods --show-labels | grep lng
  132  kubectl get deployments.apps 
  133  kubectl delete deploy lnginx
  134  kubectl delete deploy mydb
  135  kubectl create deploy nginxsvc --image=nginx
  136  kubectl scale deployment nginxsvc --replicas=3
  137  kubectl get all --selector app=nginxsvc
  138  kubectl get pods -o wide
  139  kubectl expose deploy nginxsvc --port=80
  140  kubectl get all --selector app=nginxsvc
  141  curl 10.104.130.232
  142  kubectl get svc
  143  kubectl edit svc nginxsvc 
  144  kubectl get svc
  145  ip a
  146  kubectl get svc
  147  kubectl get svc nginxsvc -o yaml
  148  history
  149  kubectl get all --selector app=nginxsvc
  150  kubectl describe svc nginxsvc 
  151  kubectl get endpoints
  152  kubectl scale deployment nginxsvc --replicas=9
  153  kubectl get all --selector app=nginxsvc
  154  kubectl get endpoints
  155  kubectl run -h | less
  156  kubectl run --image=busybox -- sh
  157  kubectl run -h | less
  158  kubectl run testpod --image=busybox -- sh
  159  kubectl get pods
  160  kubectl delete testpod
  161  kubectl delete pod testpod
  162  kubectl delete pod sh
  163  kubectl run sleepybox --image=busybox -- sleep 3600
  164  kubectl get pods
  165  kubectl exec -it sleepybox -- sh
  166  kubectl get pods -n kube-system
  167  cd kube3weeks/
  168  ls
  169  vim morevolumes.yaml 
  170  kubectl apply -f morevolumes.yaml 
  171  kubectl describe pod morevol2 
  172  kubectl get pods
  173  kubectl exec morevol2 -c centos1 -- touch /centos1/testfile
  174  kubectl exec morevol2 -c centos2 -- ls -l /centos2/
  175  kubectl get pods morevol2 -o wide
  176  kubectl explain pods.spec.volumes | less
  177  vim pv.yaml 
  178  kubectl apply -f pv.yaml 
  179  kubectl get pv
  180  vim pvc.yaml 
  181  kubectl apply -f pvc.yaml 
  182  kubectl get pv,pvc
  183  vim pv-pod.yaml 
  184  kubectl apply -f pv-pod.yaml 
  185  kubectl exec pv-pod -- touch /usr/share/nginx/html/hellofile.txt
  186  kubectl describe pv pv-volume 
  187  kubectl get pods -o wide
  188  ./countdown 14
  189  sudo apt install nfs-server -y
  190  sudo mkdir /nfsexport
  191  sudo vim /etc/exports
  192  sudo systemctl restart nfs-server
  193  showmount -e localhost
  194  sudo chmod 777 /nfsexport
  195  cd
  196  ls
  197  tar xvf helm-v3.10.2-linux-amd64.tar.gz 
  198  sudo mv linux-amd64/helm /usr/local/bin/
  199  helm --version
  200  helm version
  201  history
  202  helm repo add nfs-sudir-external-provisioner https://kubernetes-sigs.github.io/nfs-subdir-external-provisioner/
  203  helm install nfs-subdir-external-provisioner nfs-subdir-external-provisioner/nfs-subdir-external-provisioner --set nfs.server=192.168.29.110 --set nfs.path=/nfsexport
  204  helm repo add nfs-subdir-external-provisioner https://kubernetes-sigs.github.io/nfs-subdir-external-provisioner/
  205  helm install nfs-subdir-external-provisioner nfs-subdir-external-provisioner/nfs-subdir-external-provisioner --set nfs.server=192.168.29.110 --set nfs.path=/nfsexport
  206  kubectl get pods
  207  kubectl get pv
  208  kubectl get storageclass
  209  ls kube3weeks/
  210  git clone https://github.com/sandervanvugt/cka
  211  cd cka
  212  ;s
  213  ls
  214  git pull
  215  vim nfs-provisioner-pvc-test.yaml 
  216  kubectl apply -f nfs-provisioner-pvc-test.yaml 
  217  kubectl get pvc,pv
  218  kubectl get pv
  219  kubectl describe pv pvc-b87d429c-5a62-4cce-b39a-685e5d8a94be
  220  cp nfs-provisioner-pvc-test.yaml nfs-provisioner-pvc-test2.yaml 
  221  vim nfs-provisioner-pvc-test2.yaml 
  222  kubectl apply -f nfs-provisioner-pvc-test2.yaml 
  223  vim nfs-provisioner-pvc-test2.yaml 
  224  kubectl create -f nfs-provisioner-pvc-test2.yaml 
  225  kubectl get pvc,pv
  226  kubectl describe pvc nfs-pvc-test2 
  227  cd ../kube3weeks/
  228  vim varsfile
  229  kubectl create cm mydbvars --from-env-file=varsfile
  230  kubectl describe cm mydbvars 
  231  kubectl create mydb --image=mariadb --replicas=3
  232  kubectl create deploy mydb --image=mariadb --replicas=3
  233  kubectl get all --selector app=mydb
  234  kubectl logs mydb-c8bddc94c-rs5hx 
  235  kubectl set env deploy mydb --from=configmap/mydbvars
  236  kubectl get all --selector app=mydb
  237  kubectl get deploy mydb -o yaml
  238  echo hello world > index.html
  239  kubectl create cm myindex --from-file=index.html
  240  kubectl create cm mypw --from-file=/etc/passwd
  241  kubectl describe cm mypw
  242  kubectl create deploy myweb --image=nginx --dry-run=client -o yaml > myweb.yaml
  243  vim myweb.yaml 
  244  kubectl apply -f myweb.yaml 
  245  kubectl exec myweb -- cat /usr/share/nginx/html/index.html
  246  kubectl exec myweb-859f554699-sm54s -- cat /usr/share/nginx/html/index.html
  247  ./countdown 14
  248  helm repo add kubernetes-dashboard https://kubernetes.github.io/dashboard/
  249  helm repo --help
  250  helm repo list
  251  helm install kubernetes-dashboard kubernetes-dashboard/kubernetes-dashboard
  252  kubectl get pods
  253  kubectl -n default port-forward kubernetes-dashboard-7754b4fccd-nt92d 8443:8443
  254  ls -l /etc/kubernetes/admin.conf 
  255  chmod o+r /etc/kubernetes/admin.conf 
  256  sudo chmod o+r /etc/kubernetes/admin.conf 
  257  sudo chmod o-r /etc/kubernetes/admin.conf 
  258  helm repo list
  259  helm repo add bitnami https://charts.bitnami.com/bitnami
  260  helm repo list
  261  helm search repo bitnami
  262  helm repo update
  263  helm install bitnami/mysql --generate-name
  264  kubectl get all
  265  helm show chart bitnami/mysql
  266  helm show all bitnami/mysql
  267  helm show --help
  268  helm show values
  269  helm show values bitnami/mysql
  270  helm status mysql
  271  helm list
  272  helm status mysql-1668185150 
  273  helm show values bitnami/nginx
  274  helm pull bitnami/nginx 
  275  tar xvf nginx-13.2.13.tgz 
  276  cd nginx/
  277  vim values.yaml 
  278  helm template --debug nginx
  279  helm template --debug .
  280  kubectl get deploy
  281  kubectl edit deploy kubernetes-dashboard 
  282  kubectl get pods
  283  history
  284  sudo poweroff
  285  kubectl api-resources | less Role
  286  kubectl api-resources | grep Role
  287  sudo poweroff
  288  helm --help | less
  289  helm install --help | less
  290  helm show values bitnami/nginx | grep commonLabels
  291  helm show values bitnami/nginx | grep commonLabels -C 3
  292  helm install bitnami/nginx --set commonLabels: type=helm
  293  helm repo list
  294  helm show values bitnami/nginx
  295  helm install bitnami/nginx --set commonLabels: type=helm
  296  helm install bitnami/nginx --set "commonLabels: type=helm"
  297  helm install bitnami/nginx --generate-name --set "commonLabels: type=helm"
  298  kubectl get all --selector type=helm
  299  kubectl get all --show-labels
  300  kubectl get all --show-labels | grep nginx
  301  helm show values bitnami/nginx | less
  302  helm list
  303  helm remove nginx-13.2.13
  304  helm uninstall nginx-13.2.13
  305  helm uninstall nginx
  306  helm uninstall nginx-1668678584
  307  vim values.yaml
  308  helm install bitnami/nginx --generate-name --values values.yaml
  309  vim values.yaml
  310  helm install bitnami/nginx --generate-name --values values.yaml
  311  kubectl get deploy
  312  kubectl get deploy --show-labels
  313  cat values.yaml 
  314  history
  315  history | grep helm install
  316  history | grep "helm install"
  317  kubectl get deploy
  318  kubectl delete deploy nginxsvc
  319  helm uninstall nginx-1668679159
  320  sudo poweroff
  321  kubectl get all
  322  helm upgrade --install ingress-nginx ingress-nginx --repo https://kubernetes.github.io/ingress-nginx --namespace ingress-nginx --create-namespace
  323  kubectl get all -n ingress-nginx
  324  source <(kubectl completion bash)
  325  kubectl get all -n ingress-nginx
  326  kubectl get deploy
  327  kubectl create deploy nginxsvc --image=nginx
  328  kubectl expose deploy nginxsvc
  329  kubectl expose deploy nginxsvc --port=80
  330  kubectl get svc
  331  kubectl describe svc nginxsvc 
  332  kubectl create ingress -h | less
  333  kubectl create ingress nginxsvc --class=nginx --rule=nginxsvc.info/*=nginxsvc:80
  334  kubectl port-forward -n ingress-nginx svc/ingress-nginx-controller 8080:80
  335  bg
  336  ip a
  337  sudo vim /etc/hosts
  338  curl nginxsvc.info:8080
  339  kubectl get statefulset
  340  history
  341  cd kube3weeks/
  342  vim statefulset.yaml 
  343  kubectl get storageclass
  344  kubectl get pvc
  345  kubectl delete pvc nfs-pvc-test
  346  kubectl delete pvc nfs-pvc-test2
  347  kubectl get pv
  348  vim statefulset.yaml 
  349  kubectl get all
  350  kubectl create ns state
  351  vim statefulset.yaml 
  352  kubectl api-resources | grep storage
  353  kubectl create -f statefulset.yaml
  354  kubectl get all -n state
  355  kubectl get pvc,pv -n state
  356  kubectl get all -n state
  357  vim what-are-we-doing-next.txt
  358  kubectl apply -f https://github.com/kubernetes-sigs/metrics-server/releases/latest/download/components.yaml
  359  kubectl get all -n kube-system
  360  kubectl logs -n kube-system metrics-server-847d45fd4f-bld6j 
  361  kubectl -n kube-system edit deployments.apps metrics-server 
  362  kubectl get pods -n kube-system
  363  kubectl top pods
  364  ./countdown 13
  365  ls
  366  cd ..
  367  git clone https://github.com/sandervanvugt/ckad
  368  cd ckad
  369  ls
  370  cd autoscaling/
  371  ls
  372  vim Dockerfile 
  373  history | grep crictl
  374  sudo crictl --help | less
  375  sudo apt install docker.io
  376  sudo docker build -t php-apache .
  377  vim hpa.yaml 
  378  kubectl apply -f hpa.yaml
  379  kubectl get deploy; sleep 60
  380  kubectl autoscale deployment php-apache --cpu-percent=1 --min=3 --max=10
  381  kubectl autoscale -h | less
  382  kubectl get hpa
  383  kubectl get deploy
  384  kubectl get hpa
  385  kubectl get deployments.apps php-apache
  386  kubectl get hpa
  387  kubectl api-resources
  388  kubectl api-resources | wc
  389  cd ../../kube3weeks/
  390  vim crd-object.yaml 
  391  kubectl create -f crd-object.yaml 
  392  kubectl api-resources | grep backup
  393  kubectl explain backups
  394  kubectl explain backups.spec
  395  vim crd-backup.yaml 
  396  kubectl create -f crd-backup.yaml 
  397  kubectl get backups
  398  kubectl get backups -o yaml
  399  ./countdown 1
  400  kubectl api-resources get co
  401  kubectl api-resources | grep operat
  402  curl -sL https://github.com/operator-framework/operator-lifecycle-manager/releases/download/v0.22.0/install.sh | bash -s v0.22.0
  403  kubectl get ns
  404  kubectl create -f https://operatorhub.io/install/rook-ceph.yaml
  405  kubectl get all -n my-rook-ceph 
  406  kubectl get csv -n my-rook-ceph
  407  kubectl get all -n my-rook-ceph
  408  kubectl api-resources | grep csv
  409  kubectl get all -n my-rook-ceph
  410  kubectl get csv -n my-rook-ceph
  411  kubectl get pods nginxsvc-5647fc5c85-tmlwb -o yaml | less
  412  kubectl get pods nfs-subdir-external-provisioner-74847dc574-xxft8 | less
  413  kubectl get pods nfs-subdir-external-provisioner-74847dc574-xxft8 -o yaml | less
  414  kubectl get sa -A | less
  415  ./countdown 14
  416  kubectl create role -h | less
  417  cd ..
  418  cd ckad
  419  vim mypod.yaml 
  420  kubectl apply -f mypod.yaml 
  421  kubectl get pod mypod -o yaml | less
  422  kubectl exec -it mypod -- sh
  423  vim mysa.yaml 
  424  kubectl apply -f mysa.yaml
  425  vim list-pods.yaml 
  426  kubectl explain role.rules.verbs
  427  kubectl apply -f list-pods.yaml 
  428  vim list-pods-mysa-binding.yaml 
  429  kubectl apply -f list-pods-mysa-binding.yaml 
  430  vim mysapod.yaml 
  431  kubectl apply -f mysapod.yaml 
  432  kubectl exec -it mysapod -- sh
  433  ./countdown 1
  434  cd ..
  435  less .kube/config 
  436  kubectl create ns students
  437  kubectl create ns staff
  438  kubectl config get-contexts
  439  sudo useradd -m -G sudo -s /bin/bash anna
  440  sudo passwd anna
  441  su - anna
  442  ls
  443  su - anna
  444  git clone https://github.com/sandervanvugt/cka
  445  cd cka
  446  ls
  447  vim staff-role.yaml 
  448  kubectl apply -f staff-role.yaml 
  449  vim rolebind.yaml 
  450  kubectl apply -f rolebind.yaml 
  451  su - anna
  452  cd ..
  453  ls
  454  tar xvf prometheus-2.40.2.linux-amd64.tar.gz 
  455  cd prometheus-2.40.2.linux-amd64/
  456  cd ~/kube3weeks/
  457  ls
  458  cd ..
  459  git clone https://github.com/sandervanvugt/kcna
  460  ls
  461  cd prometheus-2.40.2.linux-amd64/
  462  ls
  463  cp ../kcna/prometheus-1.yml prometheus.yml
  464  vim prometheus.yml 
  465  ./prometheus 
  466  bg
  467  cd 
  468  tar xvf node_exporter-1.4.0.linux-amd64.tar.gz 
  469  cd node_exporter-1.4.0.linux-amd64/
  470  ls
  471  ./node_exporter 
  472  bg
  473  cd ../prometheus-2.40.2.linux-amd64/
  474  cp ~/kcna/prometheus-2.yml prometheus.yml
  475  ps aux | grep promet
  476  kill 145317
  477  ./prometheus &
  478  ps aux | grep prom
  479  kill 149138
  480  cd
  481  cd kcna/
  482  ls
  483  cd kubernetes-prometheus/
  484  ls
  485  kubectl apply -f .
  486  kubectl create ns monitoring
  487  kubectl apply -f .
  488  kubectl get all -n monitoring 
  489  kubectl top pods
  490  kubectl top pods -A
  491  kubectl top pods -n monitoring
  492  top
  493  cd
  494  history