• 阿里云
  https://developer.aliyun.com/mirror/ubuntu?spm=a2c6h.13651102.0.0.3e221b11dpIG86

https://www.cnblogs.com/Jimc/p/10214081.html
21.04
https://blog.csdn.net/u010953692/article/details/116197731

sed -i -E 's/http:\/\/(archive|security).ubuntu.com/https:\/\/mirrors.aliyun.com/g' /etc/apt/sources.list
sed -i -E 's/http:\/\/cn.(archive|security).ubuntu.com/https:\/\/mirrors.aliyun.com/g' /etc/apt/sources.list

#docker
sed -i s@/archive.ubuntu.com/@/mirrors.aliyun.com/@g /etc/apt/sources.list \
  &&  sed -i s@/security.ubuntu.com/@/mirrors.aliyun.com/@g /etc/apt/sources.list \
  && sed -i s@/cn.archive.ubuntu.com/@/mirrors.aliyun.com/@g /etc/apt/sources.list \
  && sed -i s@/cn.security.ubuntu.com/@/mirrors.aliyun.com/@g /etc/apt/sources.list 

#清华
sed -i -E s@/archive.ubuntu.com/@/mirrors.tuna.tsinghua.edu.cn/@g /etc/apt/sources.list
#中科大 
sudo sed -i 's@//.*archive.ubuntu.com@//mirrors.ustc.edu.cn@g' /etc/apt/sources.list

#阿里换清华
sed -i -E 's/mirrors.aliyun.com/mirrors.tuna.tsinghua.edu.cn/g' /etc/apt/sources.list
#清华换阿里
sed -i -E 's/mirrors.tuna.tsinghua.edu.cn/mirrors.aliyun.com/g' /etc/apt/sources.list


apt-get update
apt-get upgrade


cat /etc/apt/sources.list

• 中科大 源
  http://mirrors.ustc.edu.cn/help/ubuntu.html

cat <<EOL >/etc/apt/sources.list
# 默认注释了源码仓库，如有需要可自行取消注释
deb https://mirrors.ustc.edu.cn/ubuntu/ jammy main restricted universe multiverse
# deb-src https://mirrors.ustc.edu.cn/ubuntu/ jammy main restricted universe multiverse

deb https://mirrors.ustc.edu.cn/ubuntu/ jammy-security main restricted universe multiverse
# deb-src https://mirrors.ustc.edu.cn/ubuntu/ jammy-security main restricted universe multiverse

deb https://mirrors.ustc.edu.cn/ubuntu/ jammy-updates main restricted universe multiverse
# deb-src https://mirrors.ustc.edu.cn/ubuntu/ jammy-updates main restricted universe multiverse

deb https://mirrors.ustc.edu.cn/ubuntu/ jammy-backports main restricted universe multiverse
# deb-src https://mirrors.ustc.edu.cn/ubuntu/ jammy-backports main restricted universe multiverse
# 预发布软件源，不建议启用
# deb https://mirrors.ustc.edu.cn/ubuntu/ jammy-proposed main restricted universe multiverse
# deb-src https://mirrors.ustc.edu.cn/ubuntu/ jammy-proposed main restricted universe multiverse
EOL

• 清华大学 24.04

https://mirror.tuna.tsinghua.edu.cn/help/ubuntu/

#24.04
cat <<EOL >/etc/apt/sources.list
deb https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ noble main restricted universe multiverse
deb https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ noble-updates main restricted universe multiverse
deb https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ noble-backports main restricted universe multiverse
deb http://security.ubuntu.com/ubuntu/ noble-security main restricted universe multiverse
EOL


#22.04
cat <<EOL >/etc/apt/sources.list
deb https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ jammy main restricted universe multiverse
deb https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ jammy-updates main restricted universe multiverse
deb https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ jammy-backports main restricted universe multiverse
deb http://security.ubuntu.com/ubuntu/ jammy-security main restricted universe multiverse
EOL

• 阿里20.04

cat <<EOL >/etc/apt/sources.list
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
EOL

• Ubuntu18.04更换国内源
  https://developer.aliyun.com/article/639051?spm=a2c6h.12873639.article-detail.32.2f50b0a6AaHTwI