docker 离线安装

下载离线包

下载地址 https://download.docker.com/linux/static/stable/x86_64/
[root@localhost docker]# wget https://download.docker.com/linux/static/stable/x86_64/docker-20.10.0.tgz

解压压缩包

[root@localhost docker]# tar -xvf docker-20.10.0.tgz

安装

1. 移动到/user/bin/目录下
   [root@localhost docker]# cp docker/* /usr/bin

2. 将docker注册为服务

[root@localhost etc]# cat /etc/systemd/system/docker.service
[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 --graph=/docker -H tcp://0.0.0.0:2375 -H unix://var/run/docker.sock
ExecReload=/bin/kill -s HUP $MAINPID
LimitNOFILE=infinity
LimitNPROC=infinity
LimitCORE=infinity
TimeoutStartSec=0
Delegate=yes
KillMode=process
Restart=on-failure
StartLimitBurst=3
StartLimitInterval=60s
[Install]
WantedBy=multi-user.target

3. 启动服务

• 添加执行权限
  [root@localhost etc]# chmod +x /etc/systemd/system/docker.service

• 加载配置文件
  [root@localhost etc]# systemctl daemon-reload

• 启动服务
  [root@localhost etc]# systemctl start docker

• 查看状态

[root@localhost etc]# systemctl  status docker
● docker.service - Docker Application Container Engine
   Loaded: loaded (/etc/systemd/system/docker.service; disabled; vendor preset: disabled)
   Active: active (running) since Fri 2022-01-21 10:42:08 CST; 36s ago
     Docs: https://docs.docker.com
 Main PID: 13295 (dockerd)
    Tasks: 28
   Memory: 38.8M

4. 设置开机自启

[root@localhost etc]# systemctl enable docker
Created symlink from /etc/systemd/system/multi-user.target.wants/docker.service to /etc/systemd/system/docker.service.

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