day5.txt

    1  git clone https://github.com/lerndevops/educka
    2  educka/install/setup-user.sh 
    3  clear
    4  apt-get install kubectl 
    5  apt install kubectl
    6  apt-get update
    7  apt install kubectl
    8  echo "deb http://apt.kubernetes.io/ kubernetes-xenial main" | sudo tee /etc/apt/sources.list.d/kubernetes.list
    9  curl -s https://packages.cloud.google.com/apt/doc/apt-key.gpg | sudo apt-key add -
   10  sudo apt-get update ; clear
   11  sudo apt-get install -y kubectl 
   12  kubectl version 
   13  kubectl version --short --client 
   14  kubectl version --short
   15  hostname -i
   16  ls -ltrh
   17  cp /tmp/admin.conf mykubecluster.conf
   18  ls -ltrh
   19  mv mykubecluster.conf mykubeclusters.conf
   20  vi mykubeclusters.conf 
   21  kubectl get nodes
   22  kubectl --kubeconfig=mykubeclusters.conf get nodes
   23  vi mykubeclusters.conf
   24  kubectl config get-contexts 
   25  kubectl --kubeconfig=mykubeclusters.conf config get-contexts 
   26  ls -l
   27  vi mykubeclusters.conf 
   28  kubectl --kubeconfig=mykubeclusters.conf config get contexts 
   29  kubectl --kubeconfig=mykubeclusters.conf config get-contexts 
   30  ls -ltrh
   31  vi mykubeclusters.conf 
   32  kubectl --kubeconfig=mykubeclusters.conf config get-contexts 
   33  kubectl --kubeconfig=mykubeclusters.conf get nodes
   34  kubectl --kubeconfig=mykubeclusters.con use-context kubernetes-admin@useast
   35  kubectl --kubeconfig=mykubeclusters.conf config use-context kubernetes-admin@useast
   36  kubectl --kubeconfig=mykubeclusters.conf get nodes
   37  mkdir .kube
   38  cd .kube/
   39  ll
   40  cp ../mykubeclusters.conf config
   41  ls -l
   42  kubectl get nodes
   43  kubectl config get contexts
   44  kubectl config get context
   45  kubectl config get-contexts
   46  kubectl config use-context kubernetes-admin@uscentral
   47  kubectl get nodes
   48  kubectl config use-context kubernetes-admin@useast
   49  kubectl get nodes
   50  cd 
   51  kubectl get nodes
   52  kubectl config use-context kubernetes-admin@uscentral
   53  kubectl get nodes
   54  kubectl get pods 
   55  kubectl get deploy 
   56  kubectl get all 
   57  kubectl get ns
   58  kubectl get all -n prod
   59  kubectl delete ns prod 
   60  clear
   61  docker -v
   62  kubeadm version 
   63  kubectl version 
   64  cd .kube/
   65  ll
   66  rm config 
   67  cd ..
   68  rm -r .kube/
   69  ls -ltrh
   70  kubectl version 
   71  hostname -i
   72  kubectl --kubeconfig=/tmp/admin.conf get nodes
   73  ls -l
   74  la -l
   75  mkdir .kube/
   76  cd .kube/
   77  ls -l
   78  cp /tmp/admin.conf config
   79  ls -l
   80  kubectl get nodes
   81  cd 
   82  kubectl run nginx --image=nginx
   83  kubectl get pods -o wide 
   84  ls -ltrh
   85  cd .kube/
   86  ls -ltrh
   87  vi config
   88  kubectl get nodes
   89  vi config 
   90  kubectl get nodes
   91  kubectl config get-contexts
   92  kubectl get pods 
   93  kubectl get nodes
   94  kubectl config use-context kubernetes-admin@uscentral
   95  kubectl config get-contexts
   96  kubectl get nodes
   97  cd 
   98  openssl 
   99  openssl gen rsa -out naresh.key 2048
  100  openssl gen-rsa -out naresh.key 2048
  101  openssl --help 
  102  openssl genrsa -out prod-user.key 2048
  103  ls -l
  104  mv prod-user.key naresh.key
  105  ls -ltrh
  106  cd educka/security/
  107  ls -ltrh
  108  cd rbac/
  109  ls -ltrh
  110  more csr.conf 
  111  openssl req -config csr.conf -new -key naresh.key -nodes -out naresh.csr
  112  openssl req -config csr.conf -new -key /root/naresh.key -nodes -out naresh.csr
  113  ls -l
  114  vi CertificateSigningRequest.yml
  115  cat csr.conf
  116  cat naresh.csr
  117  cat naresh.csr | base64
  118  cat naresh.csr | base64 | tr -d '\n'
  119  ls -l
  120  vi CertificateSigningRequest.yml 
  121  kubectl get nodes 
  122  kubectl apply -f CertificateSigningRequest.yml
  123  kubectl get csr 
  124  kubectl certificate approve naresh
  125  kubectl get csr 
  126  kubectl describe csr naresh
  127  kubectl get nodes 
  128  kubectl get nodes --as naresh
  129  kubectl get pod --as naresh
  130  kubectl run nginx4 --image=nginx  --as naresh
  131  kubectl get csr naresh -o jsonpath="{.status.certificate}"
  132  kubectl descibe csr naresh
  133  kubectl describe csr naresh
  134  kubectl get csr 
  135  kubectl get csr naresh
  136  kubectl get csr naresh -o yaml 
  137  clear
  138  kubectl get csr naresh
  139  kubectl get csr naresh -o json 
  140  clear
  141  kubectl get csr naresh -o jsonpath="{.status.certificate}" | base64 --decode > naresh.crt
  142  ls -l
  143  cat naresh.crt
  144  cd 
  145  ll
  146  cp educka/security/rbac/naresh.crt .
  147  ls -ltrh
  148  pwd 
  149  vi .kube/config 
  150  kubectl config get-contexts 
  151  kubectl config use-context naresh@uscentral
  152  kubectl get version --shourt 
  153  kubectl get version --short
  154  kubectl version --short
  155  vi .kube/config 
  156  kubectl version --short
  157  vi .kube/config 
  158  kubectl get nodes
  159  kubectl get pods 
  160  clear
  161  kubectl api-resources
  162  naresh" cannot list resource "nodes" in API group "" at the cluster scope
  163  clear
  164  kubectl create role myrole --verb=get,create --resources=pods,services --namespace default
  165  kubectl create role myrole --verb=get,create --resource=pods,services --namespace default
  166  kubectl config get-contexts 
  167  kubectl config use-context kubernetes-admin@uscentral
  168  kubectl create role myrole --verb=get,create --resource=pods,services --namespace default
  169  kubectl get roles 
  170  kubectl describe role myrole
  171  kubectl create rolebinding myrolebinding --user=naresh --role=myrole --namespace=default
  172  kubectl config get-contexts 
  173  kubectl config use-context naresh@uscentral
  174  kubectl get pods -n default 
  175  kubectl get services  -n default 
  176  kubectl run tomcat --image=tomcat -n default 
  177  kubectl config use-context kubernetes-admin@uscentral
  178  kubectl get roles 
  179  kubectl edit role myrole
  180  kubectl config use-context naresh@uscentral
  181  kubectl get pods 
  182  kubectl get nodes 
  183  kubectl get ns 
  184  kubectl get pods 
  185  kubectl get pods -n default 
  186  kubectl get pods -n kube-system
  187  kubectl get deploy -n default 
  188  kubectl config use-context kubernetes-admin@uscentral
  189  kubectl get clusteroles
  190  kubectl get clusterroles
  191  kubectl 
  192  clear
  193  kubectl config use-context kubernetes-admin@uscentral
  194  kubectl get clusterroles 
  195  kubectl create clusterrole myclusterrole --verb=get,list,create,delete --resource=namespaces,pods,deployements,serivces,nodes,persistentvolumes
  196  kubectl create clusterrole myclusterrole --verb=get,list,create,delete --resource=namespaces,pods,deployments,serivces,nodes,persistentvolumes
  197  kubectl create clusterrole myclusterrole --verb=get,list,create,delete --resource=namespaces,pods,deployments,services,nodes,persistentvolumes
  198  kubectl get clusterrole myclusterrole
  199  kubectl describe clusterrole myclusterrole
  200  kubectl create clusterrolebinding mycrolbinding --user=naresh --clusterrole=myclusterrole 
  201  kubectl config use-context naresh@uscentral
  202  kubectl get pods 
  203  kubectl get pods -n kube-system 
  204  kubectl get pods --all-namespaces 
  205  kubectl get rs --all-namespaces 
  206  kubectl get ns 
  207  kubectl create ns prod 
  208  clear
  209  kubectl config get-contexts
  210  kubectl config use-context kubernetes-admin@uscentral
  211  kubectl get pods 
  212  kubectl get pods --as naresh 
  213  kubectl get rs --as naresh 
  214  kubectl get clusterroles 
  215  kubectl describe clusterrole myclusterrole
  216  kubectl get roles 
  217  kubectl get rolebinding 
  218  kubectl describe rolebiding myrolebinding
  219  kubectl describe rolebinding myrolebinding
  220  kubectl create rolebinding testuserbiding --user=testuser --role=myrole --namespace=prod
  221  kubectl describe rolebinding testuserbiding
  222  kubectl get rolebinding
  223  kubectl describe rolebinding testuserbiding -n prod 
  224  kubectl get rolebindng 
  225  kubectl describe clusterrole view 
  226  kubectl get clusterroles 
  227  kubectl get clusterrole myclusterrole -o yaml 
  228  clear
  229  kubectl get clusterrolebiding 
  230  kubectl get clusterrolebinding 
  231  kubectl describe clusterrolebinding mycrolbinding
  232  kubectl describe clusterrolebinding mycrolbinding -o yaml 
  233  kubectl get clusterrolebinding mycrolbinding -o yaml 
  234  kubectl get rolebinding 
  235  kubectl get rolebinding -n prod
  236  kubectl delete rolebinding myrolebinding -n default 
  237  history 
  238  clear
  239  history 
  240  history > day5.txt