安裝官方文檔

https://docs.microsoft.com/zh-cn/windows/wsl/install-win10#update-to-wsl-2
注意:WSL Ubuntu鏡像為最小化安裝，比完整版缺失的，需要手動(dòng)安裝

更換鏡像源

確認(rèn)安裝的系統(tǒng)版本

lsb_release -a

阿里源

http://mirrors.aliyun.com/ubuntu/

模版 更換TODO為系統(tǒng)版本

deb http://mirrors.aliyun.com/ubuntu/ TODO main restricted universe multiverse
deb-src http://mirrors.aliyun.com/ubuntu/ TODO main restricted universe multiverse

deb http://mirrors.aliyun.com/ubuntu/ TODO-security main restricted universe multiverse
deb-src http://mirrors.aliyun.com/ubuntu/ TODO-security main restricted universe multiverse

deb http://mirrors.aliyun.com/ubuntu/ TODO-updates main restricted universe multiverse
deb-src http://mirrors.aliyun.com/ubuntu/ TODO-updates main restricted universe multiverse

deb http://mirrors.aliyun.com/ubuntu/ TODO-proposed main restricted universe multiverse
deb-src http://mirrors.aliyun.com/ubuntu/ TODO-proposed main restricted universe multiverse

deb http://mirrors.aliyun.com/ubuntu/ TODO-backports main restricted universe multiverse
deb-src http://mirrors.aliyun.com/ubuntu/ TODO-backports main restricted universe multiverse

20.04的配置

deb http://mirrors.aliyun.com/ubuntu/ focal main restricted universe multiverse
deb-src http://mirrors.aliyun.com/ubuntu/ focal main restricted universe multiverse

deb http://mirrors.aliyun.com/ubuntu/ focal-security main restricted universe multiverse
deb-src http://mirrors.aliyun.com/ubuntu/ focal-security main restricted universe multiverse

deb http://mirrors.aliyun.com/ubuntu/ focal-updates main restricted universe multiverse
deb-src http://mirrors.aliyun.com/ubuntu/ focal-updates main restricted universe multiverse

deb http://mirrors.aliyun.com/ubuntu/ focal-proposed main restricted universe multiverse
deb-src http://mirrors.aliyun.com/ubuntu/ focal-proposed main restricted universe multiverse

deb http://mirrors.aliyun.com/ubuntu/ focal-backports main restricted universe multiverse
deb-src http://mirrors.aliyun.com/ubuntu/ focal-backports main restricted universe multiverse

更新

#備份
sudo cp /etc/apt/sources.list /etc/apt/sources.list.bak
#編輯，粘貼上面的配置
sudo vim /etc/apt/sources.list

sudo apt-get update
sudo apt-get upgrade

備份Ubuntu

wsl --export Ubuntu D:\WSL\Ubuntu_back.tar
wsl --unregister Ubuntu
wsl --import Ubuntu D:\WSL\Ubuntu D:\WSL\Ubuntu_back.tar