docker离线安装，使用安装包安装教程

1.解压，安装包如果没有的可以到我空间里下载
tar -zxvf docker-18.06.3-ce.tgz
2.复制到环境目录
cp ./docker/* /usr/bin
3.查看该目录是否存在docker.service不存在则新建
cd /etc/systemd/system/
touch docker.service
vim docker.service
4.编辑该文件，该处地址换成服务器地址，粘贴后保存
注意，将其中的ip地址，改成您的服务器地址，其它参数不用改。

--insecure-registry=192.168.205.230

[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 --selinux-enabled=false --insecure-registry=192.168.205.230
Ex