1. 下载docker 离线安装包
    可在此页面下载,https://download.docker.com/linux/static/stable/x86_64/
  2. 解压docker
    tar -zxvf docker.tar.gz
  3. 添加系统服务
    vim /etc/systemd/system/docker.service
    输入以下内容 
    [Unit]
Description=Docker Application Container Engine
Documentation=https://docs.docker.com
After=network-online.target firewalld.service
Wants=network-online.target
[Service]
Type=notify
ExecStart=/usr/bin/dockerd
ExecReload=/bin/kill -s HUP $MAINPID
LimitNOFILE=infinity
LimitNPROC=infinity
TimeoutStartSec=0
Delegate=yes
KillMode=process
Restart=on-failure
StartLimitBurst=3
StartLimitInterval=60s
[Install]
WantedBy=multi-user.target

    添加可执行权限
    chmod +x /etc/systemd/system/docker.service

  4. 启动服务并添加开机自启动
    启动服务
    systemctl start docker
    开机自启动
    systemctl enable docker