Because the project needs to use Kubernetes To change the bottom of Docker, So while writing and completing the task at the same time continue to learn Kubernetes

Some of the existing documents and Kubernetes The Chinese documents of the Chinese community do not have a very detailed tutorial on the initial installation and deployment environment , Therefore, it is suggested to go directly to the official website to see the documents , Of course, the official website is all in English .

Official document ：https://kubernetes.io/

Official document installation ：https://kubernetes.io/docs/setup/production-environment/tools/kubeadm/install-kubeadm/

The installation environment is Ubuntu

All commands for the installation process ：

apt-get update && apt-get install -y apt-transport-https curl
curl -s https://packages.cloud.google.com/apt/doc/apt-key.gpg | apt-key add -
cat <<EOF >/etc/apt/sources.list.d/kubernetes.list
deb https://apt.kubernetes.io/ kubernetes-xenial main
EOF
apt-get update
apt-get install -y kubelet kubeadm kubectl
apt-mark hold kubelet kubeadm kubectl

1. Update the source and download the tool

apt-get update && apt-get install -y apt-transport-https curl

2. Add public key

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

If Linux The network is not accessible , Error will be reported at this time

Click on this link  https://packages.cloud.google.com/apt/doc/apt-key.gpg （ Non domestic resources ） obtain pgp file , then

adopt apt-key add apt-key.gpg To load the . Unable to download from the network disk .

SkyDrive address ： link ：https://pan.baidu.com/s/1aHtwOveSt0-QLPw9SYS8xw 
                  Extraction code ：uqjf 

3. add to kubernetes Source

Official source （ Non national endogenous ）

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

Domestic sources

cat <<EOF >/etc/apt/sources.list.d/kubernetes.list
deb http://mirrors.ustc.edu.cn/kubernetes/apt kubernetes-xenial main
EOF

Update the source again

apt-get update

4. Install the latest kubelet、kubeadm、kubectl

apt-get install -y kubelet kubeadm kubectl

If you want to install the specified version , Check out the version first ：

apt-cache madison kubeadm kubelet kubectl

Install the specified version
 

apt-get install -y kubelet=1.15.1-00 kubeadm=1.15.1-00 kubectl=1.15.1-00

5. Settings are not updated with system updates

apt-mark hold kubelet kubeadm kubectl