设置Debian源为国内网易源
tee /etc/apt/sources.list << EOF
deb http://mirrors.163.com/debian/ jessie main non-free contrib
deb http://mirrors.163.com/debian/ jessie-updates main non-free contrib
EOF
执行apt-get update 出现报错
root@d61378b9f12b:/# apt-get update
Ign:1 http://mirrors.163.com/debian jessie InRelease
Ign:2 http://mirrors.163.com/debian jessie-updates InRelease
Err:3 http://mirrors.163.com/debian jessie Release
404 Not Found [IP: 117.147.202.12 80]
Err:4 http://mirrors.163.com/debian jessie-updates Release
404 Not Found [IP: 117.147.202.12 80]
网上查了一圈之后，发现是源地址改了
tee /etc/apt/sources.list << EOF
deb http://mirrors.163.com/debian-archive/debian/ stretch main non-free contrib
deb http://mirrors.163.com/debian-archive/debian/ stretch-backports main non-free contrib
deb-src http://mirrors.163.com/debian-archive/debian/ stretch main non-free contrib
deb-src http://mirrors.163.com/debian-archive/debian/ stretch-backports main non-free contrib
deb http://mirrors.163.com/debian-archive/debian-security/ stretch/updates main non-free contrib
deb-src http://mirrors.163.com/debian-archive/debian-security/ stretch/updates main non-free contrib
EOF
详见：https://backend.devrank.cn/traffic-information/7243753035590060091