镜像：
官网服务器版本镜像：ubuntu-20.04.4-live-server-amd64
创建虚拟时选择开启WMX才可以和WSL共存
安装：
系统安装时：
- 配置40G空间
- 选择获取github的公钥自动开启ssh连接
- 选择安装Docker
- 不要选择更新，跳过，默认源比较慢
配置：
开机，直接ssh连接
1. 修改源
sudo vim /etc/apt/sources.list
# vim中输入dG删除所有
# 中科大源：
deb https://mirrors.ustc.edu.cn/ubuntu/ focal main restricted universe multiverse
deb-src https://mirrors.ustc.edu.cn/ubuntu/ focal main restricted universe multiverse
deb https://mirrors.ustc.edu.cn/ubuntu/ focal-updates main restricted universe multiverse
deb-src https://mirrors.ustc.edu.cn/ubuntu/ focal-updates main restricted universe multiverse
deb https://mirrors.ustc.edu.cn/ubuntu/ focal-backports main restricted universe multiverse
deb-src https://mirrors.ustc.edu.cn/ubuntu/ focal-backports main restricted universe multiverse
deb https://mirrors.ustc.edu.cn/ubuntu/ focal-security main restricted universe multiverse
deb-src https://mirrors.ustc.edu.cn/ubuntu/ focal-security main restricted universe multiverse
deb https://mirrors.ustc.edu.cn/ubuntu/ focal-proposed main restricted universe multiverse
deb-src https://mirrors.ustc.edu.cn/ubuntu/ focal-proposed main restricted universe multiverse
# 更新源：
sudo apt update
sudo apt upgrade标签：cn,universe,mirrors,multiverse,配置,Ubuntu,ubuntu,安装,focal From： https://www.cnblogs.com/liqiujiong/p/16919738.html