Ubuntu 26.04 LTS China Mirrors: One-Click Switch to Tsinghua, USTC & Aliyun
Ubuntu China Mirrors: One-Click Switch to Tsinghua, USTC & Aliyun Ubuntu’s default repositories are overseas — one update takes forever. Switch to a domestic mirror with just three commands. Tsinghua Mirror sudo sed -i 's/archive.ubuntu.com/mirrors.tuna.tsinghua.edu.cn/g' /etc/apt/sources.list sudo sed -i 's/security.ubuntu.com/mirrors.tuna.tsinghua.edu.cn/g' /etc/apt/sources.list sudo apt update USTC Mirror sudo sed -i 's/archive.ubuntu.com/mirrors.ustc.edu.cn/g' /etc/apt/sources.list sudo sed -i 's/security.ubuntu.com/mirrors.ustc.edu.cn/g'... » read more