Ubuntu镜像
简介
Ubuntu，是一款基于Debian Linux的以桌面应用为主的操作系统，内容涵盖文字处理、电子邮件、软件开发工具和Web服务等，可供用户免费下载、使用和分享。
地址：https://mirrors.aliyun.com/ubuntu/
镜像源设置
编辑该文件 /etc/apt/sources.list
替换 sources.list 为一下内容【根据不同版本选择】
ubuntu 18
deb https://mirrors.aliyun.com/ubuntu/ bionic main restricted universe multiverse deb-src https://mirrors.aliyun.com/ubuntu/ bionic main restricted universe multiverse deb https://mirrors.aliyun.com/ubuntu/ bionic-security main restricted universe multiverse deb-src https://mirrors.aliyun.com/ubuntu/ bionic-security main restricted universe multiverse deb https://mirrors.aliyun.com/ubuntu/ bionic-updates main restricted universe multiverse deb-src https://mirrors.aliyun.com/ubuntu/ bionic-updates main restricted universe multiverse # deb https://mirrors.aliyun.com/ubuntu/ bionic-proposed main restricted universe multiverse # deb-src https://mirrors.aliyun.com/ubuntu/ bionic-proposed main restricted universe multiverse deb https://mirrors.aliyun.com/ubuntu/ bionic-backports main restricted universe multiverse deb-src https://mirrors.aliyun.com/ubuntu/ bionic-backports main restricted universe multiverse
ubuntu 20
deb https://mirrors.aliyun.com/ubuntu/ focal main restricted universe multiverse deb-src https://mirrors.aliyun.com/ubuntu/ focal main restricted universe multiverse deb https://mirrors.aliyun.com/ubuntu/ focal-security main restricted universe multiverse deb-src https://mirrors.aliyun.com/ubuntu/ focal-security main restricted universe multiverse deb https://mirrors.aliyun.com/ubuntu/ focal-updates main restricted universe multiverse deb-src https://mirrors.aliyun.com/ubuntu/ focal-updates main restricted universe multiverse # deb https://mirrors.aliyun.com/ubuntu/ focal-proposed main restricted universe multiverse # deb-src https://mirrors.aliyun.com/ubuntu/ focal-proposed main restricted universe multiverse deb https://mirrors.aliyun.com/ubuntu/ focal-backports main restricted universe multiverse deb-src https://mirrors.aliyun.com/ubuntu/ focal-backports main restricted universe multiverse
更新源地址
sudo apt-get update
相关仓库
Ubuntu安装源（ubuntu-releases）: https://developer.aliyun.com/mirror/ubuntu-releases
Ubuntu ARM源（ubuntu-ports）: https://developer.aliyun.com/mirror/ubuntu-ports
Ubuntu过期源（oldubuntu-releases）: https://developer.aliyun.com/mirror/oldubuntu-releases
Ubuntu其他架构安装镜像（ubuntu-cdimage）： https://developer.aliyun.com/mirror/ubuntu-cdimage
ubuntu安装docker
安装docker：sudo apt-get install -y docker.io
启动docker服务：systemctl start docker
设置开机启动：systemctl enable docker
查看docker状态：systemctl status docker
停止docker服务：systemctl stop docker
查看docker版本：docker version
