离线安装docker

1、下载地址：https://download.docker.com/linux/static/stable/x86_64/

2、下载下来的包上传解压

 tar -xvzf docker-18.03.1-ce.tgz -C /DATA/

3、将解压出来的docker文件内容移动到 /usr/bin/ 目录下

cp /DATA/docker/* /usr/bin

4、将docker注册为service

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1	vim /etc/systemd/system/docker.service

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[Unit] Description=Docker Application Container Engine Documentation=https://docs.docker.com After=network-online.target firewalld.service Wants=network-online.target   [Service] Type=notify # the default is not to use systemd for cgroups because the delegate issues still # exists and systemd currently does not support the cgroup feature set required # for containers run by docker ExecStart=/usr/bin/dockerd ExecReload=/bin/kill -s HUP $MAINPID # Having non-zero Limit*s causes performance problems due to accounting overhead # in the kernel. We recommend using cgroups to do container-local accounting. LimitNOFILE=infinity LimitNPROC=infinity LimitCORE=infinity # Uncomment TasksMax if your systemd version supports it. # Only systemd 226 and above support this version. #TasksMax=infinity TimeoutStartSec=0 # set delegate yes so that systemd does not reset the cgroups of docker containers Delegate=yes # kill only the docker process, not all processes in the cgroup KillMode=process # restart the docker process if it exits prematurely Restart=on-failure StartLimitBurst=3 StartLimitInterval=60s   [Install] WantedBy=multi-user.target

5、启动docker

将docker.service赋予可执行权限

chmod -R 775 /etc/systemd/system/docker.service

重新加载配置文件

systemctl daemon-reload

启动：systemctl start docker

设置开机自启：systemctl enable docker.service 

查看Docker状态：systemctl status docker

查看Docker版本：docker -v