修改数据源列表
nano /etc/apt/sources.list
将其中原先内容全部注释点
添加如下163源
deb http://mirrors.163.com/debian/ buster main non-free contrib deb http://mirrors.163.com/debian/ buster-updates main non-free contrib deb http://mirrors.163.com/debian/ buster-backports main non-free contrib deb http://mirrors.163.com/debian-security/ buster/updates main non-free contrib deb-src http://mirrors.163.com/debian/ buster main non-free contrib deb-src http://mirrors.163.com/debian/ buster-updates main non-free contrib deb-src http://mirrors.163.com/debian/ buster-backports main non-free contrib deb-src http://mirrors.163.com/debian-security/ buster/updates main non-free contrib
Ctrl+O 保存
Ctrl+X 退出