Debian-Security
配置修改
Debian源的使用需要以root权限修改/etc/apt/sources.list配置文件，修改之前，请做好备份
debian7.x（wheezy）
deb http://mirrors.cloud.tencent.com/debian-security wheezy/updates main eb-src http://mirrors.cloud.tencent.com/debian-security wheezy/updates main
debian 8.x （jessie）
deb http://mirrors.cloud.tencent.com/debian-security jessie/updates main deb-src http://mirrors.cloud.tencent.com/debian-security jessie/updates main
debian9.x（stretch）
deb http://mirrors.cloud.tencent.com/debian-security stretch/updates main deb-src http://mirrors.cloud.tencent.com/debian-security stretch/updates main
debian10.x（buster）
deb https://mirrors.cloud.tencent.com/debian-security buster/updates main deb-src https://mirrors.cloud.tencent.com/debian-security buster/updates main
更新缓存
apt-get clean all apt-get update
相关链接
官方主页: https://www.debian.org/security/
Debian 安全追踪网: https://security-tracker.debian.org/tracker/