Kubernetes 1.14

	Version
Storage	10GB
Memory	4GB
OS	ubuntu 18.04 LTS
Docker	18.09.7

If the hostname requires to change, please follow the following instruction.

1. Use hostnamectl to replace your hostname.

   sudo hostnamectl set-hostname k8s-hostname

   (* Replace k8s-hostname with the hostname you want)
2. After changing the hostname, open /etc/cloud/cloud.cfg and set preserve_hostname to true .

   preserve_hostname: true

1. Turn off the swap file by running the following command: sudo swapoff -a
2. Disable the swap file in '/etc/fstab'. In '/etc/fstab' file, please comment 'swapfile'. (have a '#' in front of '/swapfile')
3. Remove '/swapfile' if exist. If exist, running the following command: sudo rm -f /swapfile

1. Install Docker

   sudo apt-get install -y docker.io

2. Start the service

   sudo systemctl start docker

3. Enable the service

   sudo systemctl enable docker

4. Set the cgroup driver to systemd
5. open /etc/docker/daemon.json and paste the following json.

   {
       "exec-opt": ["native.cgroupdriver=systemd"]
   }

6. Reload the daemon

   sudo systemctl daemon-reload

7. Restart the service

   sudo systemctl restart docker

1. Update list of available packages

   sudo apt-get update

2. Install apt-transport-https curl

   sudo apt-get install apt-transport-https curl

3. Add key

   curl -s https://packages.cloud.google.com/apt/doc/apt-key.gpg | sudo apt-key add

4. Add the repository of Kubernetes

   cat << EOF > /etc/apt/source.list.d/kubernetes.list deb https://apt.kubernetes.io/kubernetes-xenial main EOF

5. Update list of available packages

   sudo apt-get update

6. Install kubeadm, kubelet, kubectl

   sudo apt-get install kubelet kubeadm kubectl -y

7. Keep the current version and keep not updating

   sudo apt-mark hold kubelet kubeadm kubectl