教小白轻松更换WSL2源（ubuntu可用源）

前言

前几天捣鼓WSL2安装了一个ubuntu20，现在记录一下换源的简单操作

使用

先备份原来的配置文件

sudo mv /etc/apt/sources.list /etc/apt/sources.list.bak

新建源配置文件

sudo vi /etc/apt/sources.list

ubuntu源

deb http://cn.archive.ubuntu.com/ubuntu/ focal main restricted universe multiverse
deb http://cn.archive.ubuntu.com/ubuntu/ focal-security main restricted universe multiverse
deb http://cn.archive.ubuntu.com/ubuntu/ focal-updates main restricted universe multiverse
deb http://cn.archive.ubuntu.com/ubuntu/ focal-backports main restricted universe multiverse
##測試版源
deb http://cn.archive.ubuntu.com/ubuntu/ focal-proposed main restricted universe multiverse
# 源碼
deb-src http://cn.archive.ubuntu.com/ubuntu/ focal main restricted universe multiverse
deb-src http://cn.archive.ubuntu.com/ubuntu/ focal-security main restricted universe multiverse
deb-src http://cn.archive.ubuntu.com/ubuntu/ focal-updates main restricted universe multiverse
deb-src http://cn.archive.ubuntu.com/ubuntu/ focal-backports main restricted universe multiverse
##測試版源
deb-src http://cn.archive.ubuntu.com/ubuntu/ focal-proposed main restricted universe multiverse

更新

apt update
apt upgrade