1
bash <(curl -sSL https://linuxmirrors.cn/main.sh)

1
sudo sed -i 's|^deb http://.*debian.org|deb https://mirrors.tuna.tsinghua.edu.cn|g; s|^deb http://security.debian.org|deb https://mirrors.tuna.tsinghua.edu.cn/debian-security|g' /etc/apt/sources.list && sudo apt update

1
bash <(curl -sSL https://linuxmirrors.cn/docker.sh)