以centos7.*为例

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#更新yum包
yum update -y
#下载docker
yum intall -y docker
#启动docker
systemctl start docker                                                          
#开机自启docker
systemctl enable docker

如果运行容器的时候忘记设置开机自启就可以执行下面

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docker update --restart=always 容器名或者ID

和容器同用网络

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--net=host

换阿里云源

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vi /etc/docker/daemon.json
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{"registry-mirrors": ["https://pee6w651.mirror.aliyuncs.com"]}

安装docker-compose

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sudo curl -L https://get.daocloud.io/docker/compose/releases/download/1.25.1/docker-compose-`uname -s`-`uname -m` -o /usr/local/bin/docker-compose
chmod +x /usr/local/bin/docker-compose