# Mirror
cp /etc/apt/sources.list /etc/apt/sources.list.origin
# VERSION_CODENAME=$(sed -nr 's/VERSION.*\((.*)\).*/\1/p' /etc/os-release)
source /etc/os-release
echo "# Use Aliyun ubuntu mirror
deb http://mirrors.aliyun.com/debian/ $VERSION_CODENAME main non-free contrib
deb http://mirrors.aliyun.com/debian/ $VERSION_CODENAME-proposed-updates main non-free contrib
deb-src http://mirrors.aliyun.com/debian/ $VERSION_CODENAME main non-free contrib
deb-src http://mirrors.aliyun.com/debian/ $VERSION_CODENAME-proposed-updates main non-free contrib
" > /etc/apt/sources.list
echo "deb http://mirrors.aliyun.com/debian $VERSION_CODENAME-backports main" > /etc/apt/sources.list.d/backports.list