4 部署docker环境

1. 在另外三个节点安装docker环境 node5 node3 node4

2. 更换base源

wget http://mirrors.aliyun.com/repo/Centos-7.repo

3. 安装命令

# curl -fsSL https://get.docker.com | bash -s docker --mirror Aliyun

4. 配置国内源

 ~]# vim /etc/docker/daemon
{
  "graph": "/data/docker",
  "storage-driver": "overlay2",
  "insecure-registries": ["registry.access.redhat.com","quay.io","harbor.od.com"],
  "registry-mirrors": ["https://registry.docker-cn.com"],
  "bip": "172.7.21.1/24",
  "exec-opts": ["native.cgroupdriver=systemd"],
  "live-restore": true
}