系统：Ubuntu16.04

系统配置修改

1.禁用swap

swapoff -a

同时把/etc/fstab包含swap那行记录删掉。

2.关闭防火墙

systemctl stop firewalld

systemctl disable firewalld

3.禁用Selinux

apt install selinux-utils

setenforce 0

4.安装docker

1）先安装相关工具

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

2）添加密钥

curl -fsSL https://download.docker.com/linux/ubuntu/gpg | apt-key add -

3）安docker

apt-get install docker.io -y

4）查版本

docker version

5）启动docker service

systemctl enable docker

systemctl start docker

systemctl status docker

6）使用阿里云加速器

vim /etc/docker/daemon.json

{

"registry-mirrors": ["https://alzgoonw.mirror.aliyuncs.com"],

"live-restore": true

}

7）重起docker服务

systemctl daemon-reload

systemctl restart docker

5.安装kubectl，kubelet，kubeadm

1）添加秘钥

curl https://mirrors.aliyun.com/kubernetes/apt/doc/apt-key.gpg | apt-key add -

2）添加Kubernetes软件源

$ cat /etc/apt/sources.list

系统安装源

deb http://mirrors.aliyun.com/ubuntu/ xenial main restricted

deb http://mirrors.aliyun.com/ubuntu/ xenial-updates main restricted

deb http://mirrors.aliyun.com/ubuntu/ xenial universe

deb http://mirrors.aliyun.com/ubuntu/ xenial-updates universe

deb http://mirrors.aliyun.com/ubuntu/ xenial multiverse

deb http://mirrors.aliyun.com/ubuntu/ xenial-updates multiverse

deb http://mirrors.aliyun.com/ubuntu/ xenial-backports main restricted universe multiverse

# kubeadm及kubernetes组件安装源

deb https://mirrors.aliyun.com/kubernetes/apt kubernetes-xenial main

deb http://mirrors.ustc.edu.cn/kubernetes/apt kubernetes-xenial main

3）安装

# apt-get update && apt-get install -y kubelet kubeadm kubectl

# systemctl enable kubelet

或者

apt-get install -y kubelet kubeadm kubectl --allow-unauthenticated