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history-15APR24.txt

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+student@control:~/cka$ history
+    1  ip a
+    2  sudo apt install git vim -y
+    3  git clone https://github.com/sandervanvugt/cka
+    4  cd cka
+    5  ls *sh
+    6  ./setup-container.sh 
+    7  ls
+    8  ls *sh
+    9  ./setup-kubetools-previousversion.sh 
+   10  sudo apt install jq -y
+   11  history
+   12  sudo kubeadm init
+   13  history
+   14  mkdir ~/.kube
+   15  sudo cp -i /etc/kubernetes/admin.conf $HOME/.kube/config
+   16  sudo chown $(id -u):$(id -g) $HOME/.kube/config
+   17  kubectl get all
+   18  #kubectl apply -f https://docs.projectcalico.org/manifests/calico.yaml
+   19  kubectl get pods -n kube-system
+   20  kubectl apply -f https://docs.projectcalico.org/manifests/calico.yaml
+   21  kubectl get pods -n kube-system
+   22  kubectl get ds -n kube-system
+   23  kubectl get nodes
+   24  history
+   25  kubectl create testapp --image=nginx --replicas=3
+   26  kubectl create deploy testapp --image=nginx --replicas=3
+   27  kubectl get all -o wide
+   28  history
+   29  cd ..
+   30  ls
+   31  tar xvf helm-v3.14.4-linux-amd64.tar.gz 
+   32  sudo mv linux-amd64/helm /usr/local/bin
+   33  helm upgrade --install ingress-nginx ingress-nginx --repo https://kubernetes.github.io/ingress-nginx --namespace ingress-nginx --create-namespace
+   34  source <(kubectl completion bash)
+   35  kubectl get pods -n ingress-nginx 
+   36  kubectl create deploy nginxsvc --image=nginx --replicas=3
+   37  kubectl get all --selector app=nginxsvc
+   38  kubectl expose deploy nginxsvc 
+   39  kubectl expose deploy nginxsvc --port=80
+   40  kubectl get all --selector app=nginxsvc
+   41  kubectl describe svc nginxsvc 
+   42  kubectl create ingress nginxsvc --class=nginx --rule=nginxsvc.info/*=nginxsvc:80
+   43  kubectl describe ing nginxsvc 
+   44  sudo vim /etc/hosts
+   45  kubectl port-forward -n ingress-nginx svc/ingress-nginx-controller 8080:80
+   46  bg
+   47  curl nginxsvc.info
+   48  curl nginxsvc.info:8080
+   49  history
+   50  curl nginxsvc.info:8080
+   51  kubectl edit svc nginxsvc 
+   52  curl nginxsvc.info:8080
+   53  kubectl describe ing nginxsvc 
+   54  kubectl describe svc nginxsvc 
+   55  kubectl edit svc nginxsvc 
+   56  curl nginxsvc.info:8080
+   57  history
+   58  kubectl create ns limited
+   59  kubectl create quota -h | less
+   60  kubectl create quota qtest --hard pods=3,cpu=100m,memory=500Mi --namespace=limited
+   61  kubectl describe quota -n limited 
+   62  kubectl describe ns limited
+   63  kubectl create deploy nginx --image=nginx --replicas=3 -n limited
+   64  kubectl get all -n limited
+   65  kubectl describe -n limited rs nginx-7854ff8877 
+   66  kubectl describe ns limited
+   67  kubectl set resources -h | less
+   68  kubectl set -n limited resources deploy nginx --requests cpu=100m,memory=5Mi --limits cpu=200m,memory=20Mi
+   69  kubectl get all -n limited
+   70  kubectl describe ns limited
+   71  kubectl edit quota -n limited  qtest 
+   72  kubectl describe ns limited
+   73  kubectl scale -n limited deployment nginx --replicas=2
+   74  kubectl scale -n limited deployment nginx --replicas=3
+   75  kubectl describe ns limited
+   76  history
+   77  kubectl edit node control 
+   78  kubectl cordon worker1
+   79  kubectl edit node worker1
+   80  kubectl get nodes
+   81  kubectl uncordon worker1
+   82  kubectl get pods -n kube-system
+   83  kubectl drain node worker1
+   84  kubectl drain worker1 
+   85  kubectl get nodes
+   86  kubectl edit node worker1
+   87  kubectl get nodes
+   88  kubectl get pods -o wide
+   89  kubectl drain worker1
+   90  kubectl get nodes
+   91  kubectl drain worker1 --ignore-daemonsets
+   92  kubectl edit node worker1
+   93  kubectl get pods -o wide
+   94  kubectl get nodes
+   95  kubectl create deploy ready --image=nginx --replicas=3
+   96  kubectl get pods -o wide --selector app=ready
+   97  kubectl get nodes
+   98  kubectl scale deploy ready --replicas=0
+   99  kubectl scale deploy ready --replicas=3
+  100  kubectl get pods -o wide --selector app=ready
+  101  cd cka/
+  102  vim networkpolicy-example.yaml 
+  103  git pull
+  104  vim nwpolicy-complete-example.yaml 
+  105  kubectl apply -f nwpolicy-complete-example.yaml 
+  106  kubectl expose pod nginx --port=80
+  107  kubectl exec -it busybox -- wget --spider --timeout=1 nginx
+  108  kubectl label pod busybox access=true
+  109  kubectl exec -it busybox -- wget --spider --timeout=1 nginx
+  110  kubectl create ns nwp-namespace
+  111  vim nwp-lab9-1.yaml 
+  112  kubectl apply -f nwp-lab9-1.yaml 
+  113  kubectl expose pod nwp-nginx --port=80
+  114  kubectl exec -n nwp-namespace nwp-busybox -- wget --spider --timeout=1 nwp-nginx
+  115  kubectl exec -n nwp-namespace nwp-busybox -- nslookup nwp-nginx
+  116  kubectl exec -n nwp-namespace nwp-busybox -- wget --spider --timeout=1 nwp-nginx.default.svc.cluster.local
+  117  vim nwp-lab9-2.yaml 
+  118  kubectl apply -f nwp-lab9-2.yaml 
+  119  kubectl exec -n nwp-namespace nwp-busybox -- wget --spider --timeout=1 nwp-nginx.default.svc.cluster.local
+  120  kubectl create deploy busybox --image=busybox -- sleep 3600
+  121  kubectl exec -it busybox-6fc6c44c5b-x5vrx -- wget --spider --timeput=1 nwp-nginx
+  122  kubectl exec -it busybox-6fc6c44c5b-x5vrx -- wget --spider --timeout=1 nwp-nginx
+  123  kubectl delete -f nwp-lab9-2.yaml 
+  124  history
+