阿里云OPSX镜像站：
https://developer.aliyun.com/mirror/?spm=a1z389.11499242.0.0.65452413mggSyj&utm_content=g_100028399
debian 10.x (buster)
编辑/etc/apt/sources.list文件(需要使用sudo), 在文件最前面添加以下条目(操作前请做好相应备份)
deb http://mirrors.cloud.aliyuncs.com/debian/ buster main non-free contrib
deb-src http://mirrors.cloud.aliyuncs.com/debian/ buster main non-free contrib
deb http://mirrors.cloud.aliyuncs.com/debian-security buster/updates main
deb-src http://mirrors.cloud.aliyuncs.com/debian-security buster/updates main
deb http://mirrors.cloud.aliyuncs.com/debian/ buster-updates main non-free contrib
deb-src http://mirrors.cloud.aliyuncs.com/debian/ buster-updates main non-free contrib
deb http://mirrors.cloud.aliyuncs.com/debian/ buster-backports main non-free contrib
deb-src http://mirrors.cloud.aliyuncs.com/debian/ buster-backports main non-free contrib

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