前言

实现一键替换在线源

一键更新源 

• Debian 全球镜像站
• 以下支持现有debian 11 12

echo "Delete the default source"
rm -rf /etc/apt/sources.list

echo "Build a new source"
cat <<'EOF'>>/etc/apt/sources.list.d/debian.sources
Types: deb
URIs: http://mirrors.aliyun.com/debian
Suites: bullseye bullseye-updates bullseye-backports
Components: main contrib non-free
Signed-By: /usr/share/keyrings/debian-archive-keyring.gpg

Types: deb
URIs: http://security.debian.org/
Suites: bullseye-security
Components: main contrib non-free
Signed-By: /usr/share/keyrings/debian-archive-keyring.gpg
EOF

echo "update source"
apt update