1. 准备docker离线包
docker官方离线包下载地址
下载需要安装的docker版本，我此次下载的是：docker-17.03.2-ce.tgz
2. 准备docker.service 系统配置文件
创建docker.service
# vim docker.service 内容如下：
[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
3. 准备安装脚本和卸载脚本
创建安装脚本：install.sh
# vim install.sh #!/bin/sh
echo '解压tar包...'
tar -xvf $1
echo '将docker目录移到/usr/bin目录下...'
cp docker/* /usr/bin/
echo '将docker.service 移到/etc/systemd/system/ 目录...'
cp docker.service /etc/systemd/system/
echo '添加文件权限...'
chmod +x /etc/systemd/system/docker.service
echo '重新加载配置文件...'
systemctl daemon-reload
echo '启动docker...'
systemctl start docker
echo '设置开机自启...'
systemctl enable docker.service
echo 'docker安装成功...'
docker -v 4. 卸载docker脚本
创建卸载脚本：delete.sh
$ vim delete.sh #!/bin/sh
echo '删除docker.service...'
rm -rf /etc/systemd/system/docker.service
echo '删除docker文件...'
rm -rf /usr/bin/docker*
echo '重新加载配置文件'
systemctl daemon-reload
echo '卸载成功...' 5. 安装docker
5.1 当前目录下的所有文件：（蓝色的docker是已经安装完成的文件夹）
5.2 执行脚本进行安装
$ bash install.sh docker.tgz 执行过程如下：
待脚本执行完毕后，执行
//查看docker版本命令
$ docker -v 发现此时docker已安装成功，可以用
//查看docker所有命令
$ docker --help 从现在开始你就可以自己安装image和生成container了
文章转载至：https://www.jb51.net/article/167103.htm
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作者：怒吼的萝卜
链接：http://www.cnblogs.com/nhdlb/
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