关于centos7:Centos7一键部署Docker脚本

#!/bin/bash

install_docker(){
    #更新 yum 包
    sudo yum update -y
    #装置依赖
    sudo yum install -y yum-utils device-mapper-persistent-data lvm2
    #设置 yum 源
    sudo yum-config-manager --add-repo http://mirrors.aliyun.com/docker-ce/linux/centos/docker-ce.repo
    #装置 docker
    sudo yum install docker-ce -y;
    #版本查看
    docker -v;
    #配置镜像减速
    mkdir -p /etc/docker;
    cd /etc/docker;
cat > daemon.json <<EOF
{"registry-mirrors": ["https://docker.mirrors.ustc.edu.cn"]
}
EOF
    #重新启动服务
    systemctl daemon-reload;
    systemctl restart docker;
    #查看减速是否失效
    docker info;
    #启动 docker 并设置开机自启动
    systemctl enable docker
    systemctl start docker
    systemctl status docker
    docker ps -a 
}
install_docker