Ubuntu 的软件源配置文件是 /etc/apt/sources.list。将系统自带的该文件做个备份，将该文件替换为下面内容，即可使用 TUNA 的软件源镜像。
针对不同Ubuntu系统，清华源的内容略微不同，各系统如下：
AMD架构：
23.04
# 默认注释了源码镜像以提高 apt update 速度，如有需要可自行取消注释 deb http://mirrors.tuna.tsinghua.edu.cn/ubuntu/ lunar main restricted universe multiverse # deb-src http://mirrors.tuna.tsinghua.edu.cn/ubuntu/ lunar main restricted universe multiverse deb http://mirrors.tuna.tsinghua.edu.cn/ubuntu/ lunar-updates main restricted universe multiverse # deb-src http://mirrors.tuna.tsinghua.edu.cn/ubuntu/ lunar-updates main restricted universe multiverse deb http://mirrors.tuna.tsinghua.edu.cn/ubuntu/ lunar-backports main restricted universe multiverse # deb-src http://mirrors.tuna.tsinghua.edu.cn/ubuntu/ lunar-backports main restricted universe multiverse deb http://security.ubuntu.com/ubuntu/ lunar-security main restricted universe multiverse # deb-src http://security.ubuntu.com/ubuntu/ lunar-security main restricted universe multiverse # 预发布软件源，不建议启用 # deb http://mirrors.tuna.tsinghua.edu.cn/ubuntu/ lunar-proposed main restricted universe multiverse # # deb-src http://mirrors.tuna.tsinghua.edu.cn/ubuntu/ lunar-proposed main restricted universe multiverse
22.10
# 默认注释了源码镜像以提高 apt update 速度，如有需要可自行取消注释 deb http://mirrors.tuna.tsinghua.edu.cn/ubuntu/ kinetic main restricted universe multiverse # deb-src http://mirrors.tuna.tsinghua.edu.cn/ubuntu/ kinetic main restricted universe multiverse deb http://mirrors.tuna.tsinghua.edu.cn/ubuntu/ kinetic-updates main restricted universe multiverse # deb-src http://mirrors.tuna.tsinghua.edu.cn/ubuntu/ kinetic-updates main restricted universe multiverse deb http://mirrors.tuna.tsinghua.edu.cn/ubuntu/ kinetic-backports main restricted universe multiverse # deb-src http://mirrors.tuna.tsinghua.edu.cn/ubuntu/ kinetic-backports main restricted universe multiverse deb http://security.ubuntu.com/ubuntu/ kinetic-security main restricted universe multiverse # deb-src http://security.ubuntu.com/ubuntu/ kinetic-security main restricted universe multiverse # 预发布软件源，不建议启用 # deb http://mirrors.tuna.tsinghua.edu.cn/ubuntu/ kinetic-proposed main restricted universe multiverse # # deb-src http://mirrors.tuna.tsinghua.edu.cn/ubuntu/ kinetic-proposed main restricted universe multiverse
22.04
# 默认注释了源码镜像以提高 apt update 速度，如有需要可自行取消注释 deb http://mirrors.tuna.tsinghua.edu.cn/ubuntu/ jammy main restricted universe multiverse # deb-src http://mirrors.tuna.tsinghua.edu.cn/ubuntu/ jammy main restricted universe multiverse deb http://mirrors.tuna.tsinghua.edu.cn/ubuntu/ jammy-updates main restricted universe multiverse # deb-src http://mirrors.tuna.tsinghua.edu.cn/ubuntu/ jammy-updates main restricted universe multiverse deb http://mirrors.tuna.tsinghua.edu.cn/ubuntu/ jammy-backports main restricted universe multiverse # deb-src http://mirrors.tuna.tsinghua.edu.cn/ubuntu/ jammy-backports main restricted universe multiverse deb http://security.ubuntu.com/ubuntu/ jammy-security main restricted universe multiverse # deb-src http://security.ubuntu.com/ubuntu/ jammy-security main restricted universe multiverse # 预发布软件源，不建议启用 # deb http://mirrors.tuna.tsinghua.edu.cn/ubuntu/ jammy-proposed main restricted universe multiverse # # deb-src http://mirrors.tuna.tsinghua.edu.cn/ubuntu/ jammy-proposed main restricted universe multiverse
Ubuntu20.04LTS
# 默认注释了源码镜像以提高 apt update 速度，如有需要可自行取消注释 deb http://mirrors.tuna.tsinghua.edu.cn/ubuntu/ focal main restricted universe multiverse # deb-src http://mirrors.tuna.tsinghua.edu.cn/ubuntu/ focal main restricted universe multiverse deb http://mirrors.tuna.tsinghua.edu.cn/ubuntu/ focal-updates main restricted universe multiverse # deb-src http://mirrors.tuna.tsinghua.edu.cn/ubuntu/ focal-updates main restricted universe multiverse deb http://mirrors.tuna.tsinghua.edu.cn/ubuntu/ focal-backports main restricted universe multiverse # deb-src http://mirrors.tuna.tsinghua.edu.cn/ubuntu/ focal-backports main restricted universe multiverse deb http://security.ubuntu.com/ubuntu/ focal-security main restricted universe multiverse # deb-src http://security.ubuntu.com/ubuntu/ focal-security main restricted universe multiverse # 预发布软件源，不建议启用 # deb http://mirrors.tuna.tsinghua.edu.cn/ubuntu/ focal-proposed main restricted universe multiverse # # deb-src http://mirrors.tuna.tsinghua.edu.cn/ubuntu/ focal-proposed main restricted universe multiverse
Ubuntu18.04LTS
# 默认注释了源码镜像以提高 apt update 速度，如有需要可自行取消注释 deb https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ bionic main restricted universe multiverse # deb-src https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ bionic main restricted universe multiverse deb https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ bionic-updates main restricted universe multiverse # deb-src https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ bionic-updates main restricted universe multiverse deb https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ bionic-backports main restricted universe multiverse # deb-src https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ bionic-backports main restricted universe multiverse deb https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ bionic-security main restricted universe multiverse # deb-src https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ bionic-security main restricted universe multiverse # 预发布软件源，不建议启用 # deb https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ bionic-proposed main restricted universe multiverse # deb-src https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ bionic-proposed main restricted universe multiverse
Ubuntu16.04LTS
# 默认注释了源码镜像以提高 apt update 速度，如有需要可自行取消注释 deb https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ xenial main restricted universe multiverse # deb-src https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ xenial main restricted universe multiverse deb https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ xenial-updates main restricted universe multiverse # deb-src https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ xenial-updates main restricted universe multiverse deb https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ xenial-backports main restricted universe multiverse # deb-src https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ xenial-backports main restricted universe multiverse deb https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ xenial-security main restricted universe multiverse # deb-src https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ xenial-security main restricted universe multiverse # 预发布软件源，不建议启用 # deb https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ xenial-proposed main restricted universe multiverse # deb-src https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ xenial-proposed main restricted universe multiverse
Ubuntu14.04LTS
# 默认注释了源码镜像以提高 apt update 速度，如有需要可自行取消注释 deb https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ trusty main restricted universe multiverse # deb-src https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ trusty main restricted universe multiverse deb https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ trusty-updates main restricted universe multiverse # deb-src https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ trusty-updates main restricted universe multiverse deb https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ trusty-backports main restricted universe multiverse # deb-src https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ trusty-backports main restricted universe multiverse deb https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ trusty-security main restricted universe multiverse # deb-src https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ trusty-security main restricted universe multiverse # 预发布软件源，不建议启用 # deb https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ trusty-proposed main restricted universe multiverse # deb-src https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ trusty-proposed main restricted universe multiverse
Ubuntu12.04LTS
# 默认注释了源码镜像以提高 apt update 速度，如有需要可自行取消注释 deb https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ precise main restricted universe multiverse # deb-src https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ precise main restricted universe multiverse deb https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ precise-updates main restricted universe multiverse # deb-src https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ precise-updates main restricted universe multiverse deb https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ precise-backports main restricted universe multiverse # deb-src https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ precise-backports main restricted universe multiverse deb https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ precise-security main restricted universe multiverse # deb-src https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ precise-security main restricted universe multiverse # 预发布软件源，不建议启用 # deb https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ precise-proposed main restricted universe multiverse # deb-src https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ precise-proposed main restricted universe multiverse
ARM架构：
ubuntu-ports | 镜像站使用帮助 | 清华大学开源软件镜像站 | Tsinghua Open Source Mirror
23.04
# 默认注释了源码镜像以提高 apt update 速度，如有需要可自行取消注释 deb http://mirrors.tuna.tsinghua.edu.cn/ubuntu-ports/ lunar main restricted universe multiverse # deb-src http://mirrors.tuna.tsinghua.edu.cn/ubuntu-ports/ lunar main restricted universe multiverse deb http://mirrors.tuna.tsinghua.edu.cn/ubuntu-ports/ lunar-updates main restricted universe multiverse # deb-src http://mirrors.tuna.tsinghua.edu.cn/ubuntu-ports/ lunar-updates main restricted universe multiverse deb http://mirrors.tuna.tsinghua.edu.cn/ubuntu-ports/ lunar-backports main restricted universe multiverse # deb-src http://mirrors.tuna.tsinghua.edu.cn/ubuntu-ports/ lunar-backports main restricted universe multiverse deb http://ports.ubuntu.com/ubuntu-ports/ lunar-security main restricted universe multiverse # deb-src http://ports.ubuntu.com/ubuntu-ports/ lunar-security main restricted universe multiverse # 预发布软件源，不建议启用 # deb http://mirrors.tuna.tsinghua.edu.cn/ubuntu-ports/ lunar-proposed main restricted universe multiverse # # deb-src http://mirrors.tuna.tsinghua.edu.cn/ubuntu-ports/ lunar-proposed main restricted universe multiverse
22.10
# 默认注释了源码镜像以提高 apt update 速度，如有需要可自行取消注释 deb http://mirrors.tuna.tsinghua.edu.cn/ubuntu-ports/ kinetic main restricted universe multiverse # deb-src http://mirrors.tuna.tsinghua.edu.cn/ubuntu-ports/ kinetic main restricted universe multiverse deb http://mirrors.tuna.tsinghua.edu.cn/ubuntu-ports/ kinetic-updates main restricted universe multiverse # deb-src http://mirrors.tuna.tsinghua.edu.cn/ubuntu-ports/ kinetic-updates main restricted universe multiverse deb http://mirrors.tuna.tsinghua.edu.cn/ubuntu-ports/ kinetic-backports main restricted universe multiverse # deb-src http://mirrors.tuna.tsinghua.edu.cn/ubuntu-ports/ kinetic-backports main restricted universe multiverse deb http://ports.ubuntu.com/ubuntu-ports/ kinetic-security main restricted universe multiverse # deb-src http://ports.ubuntu.com/ubuntu-ports/ kinetic-security main restricted universe multiverse # 预发布软件源，不建议启用 # deb http://mirrors.tuna.tsinghua.edu.cn/ubuntu-ports/ kinetic-proposed main restricted universe multiverse # # deb-src http://mirrors.tuna.tsinghua.edu.cn/ubuntu-ports/ kinetic-proposed main restricted universe multiverse
22.04
# 默认注释了源码镜像以提高 apt update 速度，如有需要可自行取消注释 deb http://mirrors.tuna.tsinghua.edu.cn/ubuntu-ports/ jammy main restricted universe multiverse # deb-src http://mirrors.tuna.tsinghua.edu.cn/ubuntu-ports/ jammy main restricted universe multiverse deb http://mirrors.tuna.tsinghua.edu.cn/ubuntu-ports/ jammy-updates main restricted universe multiverse # deb-src http://mirrors.tuna.tsinghua.edu.cn/ubuntu-ports/ jammy-updates main restricted universe multiverse deb http://mirrors.tuna.tsinghua.edu.cn/ubuntu-ports/ jammy-backports main restricted universe multiverse # deb-src http://mirrors.tuna.tsinghua.edu.cn/ubuntu-ports/ jammy-backports main restricted universe multiverse deb http://ports.ubuntu.com/ubuntu-ports/ jammy-security main restricted universe multiverse # deb-src http://ports.ubuntu.com/ubuntu-ports/ jammy-security main restricted universe multiverse # 预发布软件源，不建议启用 # deb http://mirrors.tuna.tsinghua.edu.cn/ubuntu-ports/ jammy-proposed main restricted universe multiverse # # deb-src http://mirrors.tuna.tsinghua.edu.cn/ubuntu-ports/ jammy-proposed main restricted universe multiverse
20.04
# 默认注释了源码镜像以提高 apt update 速度，如有需要可自行取消注释 deb http://mirrors.tuna.tsinghua.edu.cn/ubuntu-ports/ focal main restricted universe multiverse # deb-src http://mirrors.tuna.tsinghua.edu.cn/ubuntu-ports/ focal main restricted universe multiverse deb http://mirrors.tuna.tsinghua.edu.cn/ubuntu-ports/ focal-updates main restricted universe multiverse # deb-src http://mirrors.tuna.tsinghua.edu.cn/ubuntu-ports/ focal-updates main restricted universe multiverse deb http://mirrors.tuna.tsinghua.edu.cn/ubuntu-ports/ focal-backports main restricted universe multiverse # deb-src http://mirrors.tuna.tsinghua.edu.cn/ubuntu-ports/ focal-backports main restricted universe multiverse deb http://ports.ubuntu.com/ubuntu-ports/ focal-security main restricted universe multiverse # deb-src http://ports.ubuntu.com/ubuntu-ports/ focal-security main restricted universe multiverse # 预发布软件源，不建议启用 # deb http://mirrors.tuna.tsinghua.edu.cn/ubuntu-ports/ focal-proposed main restricted universe multiverse # # deb-src http://mirrors.tuna.tsinghua.edu.cn/ubuntu-ports/ focal-proposed main restricted universe multiverse
18.04
# 默认注释了源码镜像以提高 apt update 速度，如有需要可自行取消注释 deb http://mirrors.tuna.tsinghua.edu.cn/ubuntu-ports/ bionic main restricted universe multiverse # deb-src http://mirrors.tuna.tsinghua.edu.cn/ubuntu-ports/ bionic main restricted universe multiverse deb http://mirrors.tuna.tsinghua.edu.cn/ubuntu-ports/ bionic-updates main restricted universe multiverse # deb-src http://mirrors.tuna.tsinghua.edu.cn/ubuntu-ports/ bionic-updates main restricted universe multiverse deb http://mirrors.tuna.tsinghua.edu.cn/ubuntu-ports/ bionic-backports main restricted universe multiverse # deb-src http://mirrors.tuna.tsinghua.edu.cn/ubuntu-ports/ bionic-backports main restricted universe multiverse deb http://ports.ubuntu.com/ubuntu-ports/ bionic-security main restricted universe multiverse # deb-src http://ports.ubuntu.com/ubuntu-ports/ bionic-security main restricted universe multiverse # 预发布软件源，不建议启用 # deb http://mirrors.tuna.tsinghua.edu.cn/ubuntu-ports/ bionic-proposed main restricted universe multiverse # # deb-src http://mirrors.tuna.tsinghua.edu.cn/ubuntu-ports/ bionic-proposed main restricted universe multiverse
16.04
# 默认注释了源码镜像以提高 apt update 速度，如有需要可自行取消注释 deb http://mirrors.tuna.tsinghua.edu.cn/ubuntu-ports/ xenial main restricted universe multiverse # deb-src http://mirrors.tuna.tsinghua.edu.cn/ubuntu-ports/ xenial main restricted universe multiverse deb http://mirrors.tuna.tsinghua.edu.cn/ubuntu-ports/ xenial-updates main restricted universe multiverse # deb-src http://mirrors.tuna.tsinghua.edu.cn/ubuntu-ports/ xenial-updates main restricted universe multiverse deb http://mirrors.tuna.tsinghua.edu.cn/ubuntu-ports/ xenial-backports main restricted universe multiverse # deb-src http://mirrors.tuna.tsinghua.edu.cn/ubuntu-ports/ xenial-backports main restricted universe multiverse deb http://ports.ubuntu.com/ubuntu-ports/ xenial-security main restricted universe multiverse # deb-src http://ports.ubuntu.com/ubuntu-ports/ xenial-security main restricted universe multiverse # 预发布软件源，不建议启用 # deb http://mirrors.tuna.tsinghua.edu.cn/ubuntu-ports/ xenial-proposed main restricted universe multiverse # # deb-src http://mirrors.tuna.tsinghua.edu.cn/ubuntu-ports/ xenial-proposed main restricted universe multiverse
14.04
# 默认注释了源码镜像以提高 apt update 速度，如有需要可自行取消注释 deb http://mirrors.tuna.tsinghua.edu.cn/ubuntu-ports/ trusty main restricted universe multiverse # deb-src http://mirrors.tuna.tsinghua.edu.cn/ubuntu-ports/ trusty main restricted universe multiverse deb http://mirrors.tuna.tsinghua.edu.cn/ubuntu-ports/ trusty-updates main restricted universe multiverse # deb-src http://mirrors.tuna.tsinghua.edu.cn/ubuntu-ports/ trusty-updates main restricted universe multiverse deb http://mirrors.tuna.tsinghua.edu.cn/ubuntu-ports/ trusty-backports main restricted universe multiverse # deb-src http://mirrors.tuna.tsinghua.edu.cn/ubuntu-ports/ trusty-backports main restricted universe multiverse deb http://ports.ubuntu.com/ubuntu-ports/ trusty-security main restricted universe multiverse # deb-src http://ports.ubuntu.com/ubuntu-ports/ trusty-security main restricted universe multiverse # 预发布软件源，不建议启用 # deb http://mirrors.tuna.tsinghua.edu.cn/ubuntu-ports/ trusty-proposed main restricted universe multiverse # # deb-src http://mirrors.tuna.tsinghua.edu.cn/ubuntu-ports/ trusty-proposed main restricted universe multiverse