Docker 安装部署

清华源： https://mirror.tuna.tsinghua.edu.cn/help/docker-ce/

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# 安装一些依赖
yum install -y yum-utils device-mapper-persistent-data lvm2
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# 下载repo源
yum-config-manager --add-repo https://download.docker.com/linux/centos/docker-ce.repo
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# 把软件仓库地址替换为 TUNA:
sed -i 's+download.docker.com+mirrors.tuna.tsinghua.edu.cn/docker-ce+' /etc/yum.repos.d/docker-ce.repo
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# 安装
yum makecache fast
yum install docker-ce -y
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# 启动服务，并设置开机自启动
systemctl start docker
systemctl enable docker

配置镜像加速

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mkdir -p /etc/docker
tee /etc/docker/daemon.json <<-'EOF'
{
  "registry-mirrors": ["https://bnxmxzpk.mirror.aliyuncs.com"]
}
EOF
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# 重新启动
systemctl daemon-reload
systemctl restart docker

运行第一个容器

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docker run alpine /bin/echo "Hello world"