ubuntu

ubuntu chinization

ubuntu使用国内apt源，以ubuntu较为常用的20.04版本为例，其他版本参见...

替换源为阿里云

备份原/etc/apt/sources.list

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

编辑/etc/apt/sources.list替换其中http://archive.ubuntu.com/为https://mirrors.aliyun.com/，例如ubuntu22.04最后的配置文件为

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

更新本地的apt源

sudo apt update

还原为官方源

sudo rm -f /etc/apt/sources.list
sudo mv /etc/apt/sources.list.bak /etc/apt/sources.list
sudo apt update