AULA-K8s-01

    1  hostname elliot-01
    2  echo elliot-01 > /etc/hostname
    3  bash
    4  vim /etc/modules-load.d/k8s.conf
    5  curl -fsSL https://get.docker.com | bash
    6  docker version
    7  docker ps
    8  apt-get update && apt-get install -y apt-transport-https
    9  curl -s https://packages.cloud.google.com/apt/doc/apt-key.gpg | apt-key add -
   10  echo "deb http://apt.kubernetes.io/ kubernetes-xenial main" > /etc/apt/sources.list.d/kubernetes.list
   11  cat /etc/apt/sources.list.d/kubernetes.list
   12  cat /etc/apt/sources.list.d/docker.list
   13  history
   14  apt-get update
   15  apt-get install -y kubelet kubectl kubeadm
   16  kubectl
   17  docker info | grep -i cgroup
   18  cgroupfs
   19  swaps
   20  cat /proc/swaps
   21  swapoff -a
   22  kubeadm config images pull
   23  kubeadm init
   24  ls -lha .kube/
   25  kubectl apply -f "https://cloud.weave.works/k8s/net?k8s-version=$(kubectl version | base64 | tr -d '\n')"
   26  kubectl get all --all-namespaces
   27  kubectl get pods --all-namespaces
   28  kubectl get nodes
   29  kubectl describe node elliot-01
   30  kubectl describe node elliot-02
   31* kubectl get node
   32  kubectl describe node elliot-03
   33  kubeadm token create --print-join-command
   34  source <(kubectl completion bash)
   35  kubectl completion bash
   36  source <(kubectl completion bash)
   37  kubectl completion bash > /etc/bash_completion.d/kubectl
   38  cat /etc/bash_completion.d/kubectl
   39  kubectl get namespaces
   40  kubectl get pods -n kube-system
   41  kubectl get pods -n kube-system -o wide
   42  kubectl run --image=nginx nginx
   43  kubectl get pods
   44  kubectl describe pods nginx
   45  kubectl get pdos
   46  kubectl get pods
   47  kubectl get pods -o yaml
   48  kubectl get pods nginx -o yaml
   49  kubectl get pods nginx -o yaml > meu_primeiro_pod.yaml
   50  cat meu_primeiro_pod.yaml
   51  vim meu_primeiro_pod.yaml
   52  kubectl get pods
   53  kubectl delete pods nginx
   54  kubectl get pods
   55  kubectl create -f meu_primeiro_pod.yaml
   56  head meu_primeiro_pod.yaml
   57  kubectl get pods
   58  # kubectl run --image=nginx nginx
   59  # kubectl get pods nginx -o yaml > meu_primeiro_pod.yaml
   60  # vim meu_primeiro_pod.yaml
   61  #kubectl create -f meu_primeiro_pod.yaml
   62  # kubectl run --image=nginx nginx
   63  # kubectl get pods nginx -o yaml > meu_primeiro_pod.yaml
   64  # vim meu_primeiro_pod.yaml
   65  # kubectl create -f meu_primeiro_pod.yaml
   66  kubectl get pods
   67  kubectl run --image=nginx giropops_nginx --dry-run=client -o yaml > giropops_pod.yaml
   68  cat giropops_pod.yaml
   69  vim giropops_pod.yaml
   70  kubectl create -f giropops_pod.yaml
   71  vim giropops_pod.yaml
   72  kubectl create -f giropops_pod.yaml
   73  kubectl get pods
   74  kubectl create deployment giropops --image=nginx --dry-run=client -o yaml > giropops_deployment.yaml
   75  vim giropops_deployment.yaml
   76  kubectl create -f giropops_deployment.yaml
   77  kubectl get deployments.apps
   78  kubectl get pods
   79  kubectl delete -f giropops_deployment.yaml
   80  kubectl get pods
   81  kubectl get deployments.apps
   82  kubectl get pods
   83  kubectl delete pods giropops-nginx
   84  kubectl delete pods nginx
   85  kubectl get pods
   86  kubectl create -f giropops_deployment.yaml -n opa
   87  kubectl create namespace opa
   88  kubectl get namespaces
   89  kubectl create -f giropops_deployment.yaml -n opa
   90  kubectl get deployment
   91  kubectl get deployment -n opa
   92  kubectl get pods
   93  kubectl get pods -n opa
   94  kubectl explain deployment
   95  kubectl explain pod
   96  kubectl explain pod --recursive
   97  kubectl explain deployment.spec.template.spec
   98  kubectl get deployment -n opa
   99  kubectl expose deployment -n opa giropops
  100  kubectl delete -f giropops_deployment.yaml
  101  l
  102  kubectl get deployment -n opa
  103  kubectl delete deployments.apps -n opa  giropops
  104  kubectl get pods -n opa
  105  kubectl get pods
  106  kubectl run --image=nginx nginx
  107  kubectl get pods
  108  # kubectl run --image=nginx nginx
  109  kubectl get pods
  110  kubectl expose pod nginx
  111  kubectl expose pod nginx --port 80
  112  kubectl get pods
  113  kubectl get services
  114  curl 10.109.95.3
  115  kubectl delete service nginx
  116  kubectl expose pod nginx --port 80 --type NodePort
  117  kubectl get services
  118  curl 10.96.84.253
  119  kubectl get services
  120  kubectl get pods
  121  kubectl logs -f nginx
  122  kubectl get pods
  123  kubectl exec -ti nginx sh
  124  L
  125  kubectl get pods
  126  kubectl logs -f nginx
  127  kubectl get pods
  128  kubectl get deployments.apps
  129  kubectl get service
  130  kubectl get namespaces
  131  kubectl get nodes
  132  history
  133  kubectl get pods
  134  kubectl get po
  135  kubectl get deployments.apps
  136  kubectl get deploy
  137  kubectl get namespaces
  138  kubectl get ns
  139  kubectl get services
  140  kubectl get svc
  141  kubectl get pods,deploy,services,namespaces,nodes
  142  kubectl get all
  143  kubectl delete pods nginx
  144  kubectl get pods,deploy,services,namespaces,nodes
  145  kubectl delete service nginx
  146  kubectl get pods,deploy,services,namespaces,nodes
  147  kubectl delete ns opa