cka day1 jan21

own $(id -u):$(id -g) $HOME/.kube/config
    5  ls -l .kube/config
    6  kubectl get nodes
    7  kubectl apply -f "https://cloud.weave.works/k8s/net?k8s-version=$(kubectl version | base64 | tr -d '\n')"
    8  kubectl get pods -o kube-system
    9  kubectl get pods -n kube-system
   10  exit
   11  kubectl get nodes
   12  id
   13  su -
   14  git clone https://github.com/sandervanvugt/cka
   15  cd cka
   16  kubectl -h
   17  kubectl completion -h
   18  source <(kubectl completion bash)
   19  kubectl create -h | less
   20  kubectl create ns -h | less
   21  kubectl create ns mynamespace
   22  kubectl get get ns
   23  kubectl get ns
   24  kubectl run -h | less
   25  kubectl run mypod --image=alpine --command -- sleep 3600
   26  kubectl get pods -A
   27  kubectl run mypod --image=alpine --command -- sleep 3600 -n mynamespace
   28  kubectl run mypod --image=alpine -n mynamespace --command -- sleep 3600
   29  kubectl get pods -A
   30  history
   31  kubectl get pods -n mynamespace -o yaml
   32  kubectl create deployment nginx-ex5 --image=nginx --replicas=5
   33  kubectl get all
   34  ./counter.sh 15
   35  vim mo.yaml
   36  vim mo2.yaml
   37  kubectl create -f mo2.yaml
   38  kubectl get pods
   39  kubectl describe pods init-demo
   40  kubectl run -h | less
   41  history
   42  kubectl run mypod --image=alpine -n mynamespace --command -- sleep 3600 --dry-run
   43  kubectl run mypodss --image=alpine -n mynamespace --dry-run --command -- sleep 3600
   44  kubectl run mypodss --image=alpine -n mynamespace --dry-run=client -o yaml --command -- sleep 3600
   45  kubectl run mypodss --image=alpine -n mynamespace --dry-run=client -o yaml --command -- sleep 3600 > mypodss.yaml
   46  vim mypodss.yaml
   47  ./counter.sh 4
   48  vim wv.yaml
   49  kubectl create -f wv.yaml
   50  kubectl get pods
   51  kubectl describe pods s3
   52  vim ra.yaml
   53  kubectl create -f ra.yaml
   54  kubectl get pods
   55  ./counter.sh 4
   56  vim ih.yaml
   57  kubectl create -f ih.yaml
   58  kubectl get all --selector app=mydeploy
   59  kubectl describe pod mydeploy-868547495d-5f7dg
   60  kubectl create deploy -h
   61  kubectl create deployment ex6 --image=busybox --replicas=3 --dry-run=client -o=yaml -- sleep 10000 > ex6.yaml
   62  vim ex6.yaml
   63  kubectl create -f ex6.yaml
   64  kubectl get all --selector app=ex6
   65  kubectl delete -f ex6.yaml
   66  ./counter.sh 18
   67  vim jp.yaml
   68  sudo yum provides */etcdctl
   69  sudo yum install etcd
   70  sudo -i
   71  ./counter.sh 4
   72  vim jf.yaml
   73  kubectl create -f jf.yaml
   74  kubectl get pods
   75  ./counter.sh 15
   76  vim mo2.yaml
   77  vim mo3.yaml
   78  kubectl run auto-web --image=nginx --dry-run=client -o yaml > static
   79  scp static root@worker2:/var/lib/kubelet/static/static.yaml
   80  systemctl get pods
   81  kubectl get pods -A
   82  sudo -i
   83  ./counter.sh 6
   84  vim md.yaml
   85  kubectl create ns myvol
   86  kubectl create -f md.yaml
   87  kubectl get pv
   88  kubectl get pvc
   89  kubectl get pvc -n myvol
   90  kubectl get pv
   91  history
[student@control cka]$
[student@control cka]$ su -
Password:
Last login: Thu Jan 14 12:21:47 EST 2021 from 192.168.4.59 on pts/1
[root@control ~]# history
    1  yum install -y vim git bash-completion
    2  git clone https://github.com/sandervanvugt/cka
    3  ls
    4  cd cka
    5  ls
    6  ./setup-docker.sh
    7  ./setup-kubetools.sh
    8  vim setup-docker.sh
    9  vim setup-kubetools.sh
   10  swapoff -a
   11  free -m
   12  vim /etc/fstab
   13  kubeadm init
   14  vim /etc/hosts
   15  kubeadm init
   16  vim todo.txt
   17  su - student
   18  cat todo.txt
   19  exit
   20  usermod -aG wheel student
   21  id student
   22  exit
   23  cd cka
   24  ls
   25  ./counter.sh 15
   26  ip a
   27  cat /etc/hosts
   28  ./counter.sh 4
   29  exit
   30  etcdctl --help
   31  ETCDCTL_API=3 etcdctl --help
   32  ETCDCTL_API=3 etcdctl snapshot save --help
   33  ETCDCTL_API=3 etcdctl snapshot save --endpoints=127.0.0.1:2379
   34  ETCDCTL_API=3 etcdctl snapshot save /tmp/backup --endpoints=127.0.0.1:2379
   35  ps aux | grep kube
   36  ETCDCTL_API=3 etcdctl snapshot save /tmp/backup --endpoints=127.0.0.1:2379 --cafile=/etc/kubernetes/pki/etcd/ca.crt --certfile=/etc/kubernetes/pki/apiserver-etcd-client.crt --keyfile=/etc/kubernetes/pki/apiserver-etcd-client.key
   37  ETCDCTL_API=3 etcdctl snapshot save /tmp/backup --endpoints=127.0.0.1:2379 --cacert=/etc/kubernetes/pki/etcd/ca.crt --cert=/etc/kubernetes/pki/apiserver-etcd-client.crt --key=/etc/kubernetes/pki/apiserver-etcd-client.key
   38  ETCDCTL_API=3 etcdctl get / --prefix --keys-only --endpoints=127.0.0.1:2379 --cacert=/etc/kubernetes/pki/etcd/ca.crt --cert=/etc/kubernetes/pki/apiserver-etcd-client.crt --key=/etc/kubernetes/pki/apiserver-etcd-client.key
   39  history
   40  exit
   41  vim /var/lib/kubelet/config.yaml
   42  cd /etc/kubernetes/manifests/
   43  ls
   44  vim etcd.yaml
   45  exit
   46  history