https://mirrors.tuna.tsinghua.edu.cn/help/ubuntu/
本鏡像僅包含 32/64 位 x86 架構(gòu)處理器的軟件包，在 ARM(arm64, armhf)、PowerPC(ppc64el)歌焦、RISC-V(riscv64) 和 S390x 等架構(gòu)的設(shè)備上（對應(yīng)官方源為 ports.ubuntu.com）請使用 ubuntu-ports 鏡像坞嘀。
Ubuntu 的軟件源配置文件是 /etc/apt/sources.list。將系統(tǒng)自帶的該文件做個備份本股，將該文件替換為下面內(nèi)容攀痊，即可使用選擇的軟件源鏡像。
默認注釋了源碼鏡像以提高 apt update 速度拄显，如有需要可自行取消注釋
deb https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ jammy main restricted universe multiverse
# deb-src 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-src 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-src https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ jammy-backports main restricted universe multiverse
deb https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ jammy-security main restricted universe multiverse
# deb-src https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ jammy-security 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
# 預(yù)發(fā)布軟件源苟径，不建議啟用
# deb https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ jammy-proposed main restricted universe multiverse
# # deb-src https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ jammy-proposed main restricted universe multiverse
