setting up a Kubernetes cluster

ON THE CONTROL NODE:

student@control:~/kube3weeks$ history
    1  git clone https://github.com/sandervanvugt/cka
    2  cd cka
    6  sudo ./setup-container.sh
    7  ls *sh
    8  sudo ./setup-kubetools.sh
    9  history
   10  sudo kubeadm init
   11  history
   12  mkdir -p $HOME/.kube
   13  sudo cp -i /etc/kubernetes/admin.conf $HOME/.kube/config
   14  sudo chown $(id -u):$(id -g) $HOME/.kube/config
   15  kubectl get all
   16  kubectl create -f https://raw.githubusercontent.com/projectcalico/calico/v3.26.0/manifests/tigera-operator.yaml
   17  kubectl create -f https://raw.githubusercontent.com/projectcalico/calico/v3.26.0/manifests/custom-resources.yaml
   25  kubectl apply -f https://raw.githubusercontent.com/projectcalico/calico/v3.26.0/manifests/calico.yaml
   34  kubectl get pods -n kube-system
   35  kubectl get nodes
   36  kubectl run testapp --image=nginx
   37  history

ON THE WORKER NODES
    1  git clone https://github.com/sandervanvugt/cka
    2  cd cka
    6  sudo ./setup-container.sh
    7  ls *sh
    8  sudo ./setup-kubetools.sh

ON THE WORKER NODES
# check the output of the sudo kubeadm init command for the token that you should be using and run a command like this on all worker nodes
1.  sudo kubeadm join 192.168.29.30:6443 --token 61bqol.kf2bh5l5vt21k865 \
        --discovery-token-ca-cert-hash sha256:11d644c57e53b8d5875e7389576adf18007569aa26b452e95abe055faf90d401