镜像源

# 替换原来的源地址
vim /etc/apt/sources.list

阿里云镜像

deb http://mirrors.aliyun.com/debian/ stretch main non-free contrib
deb-src http://mirrors.aliyun.com/debian/ stretch main non-free contrib
deb http://mirrors.aliyun.com/debian-security stretch/updates main
deb-src http://mirrors.aliyun.com/debian-security stretch/updates main
deb http://mirrors.aliyun.com/debian/ stretch-updates main non-free contrib
deb-src http://mirrors.aliyun.com/debian/ stretch-updates main non-free contrib
deb http://mirrors.aliyun.com/debian/ stretch-backports main non-free contrib
deb-src http://mirrors.aliyun.com/debian/ stretch-backports main non-free contrib

华为云镜像

deb https://mirrors.huaweicloud.com/debian/ stretch main contrib non-free
deb-src https://mirrors.huaweicloud.com/debian/ stretch main contrib non-free
deb https://mirrors.huaweicloud.com/debian/ stretch-updates main contrib non-free
deb-src https://mirrors.huaweicloud.com/debian/ stretch-updates main contrib non-free
deb https://mirrors.huaweicloud.com/debian/ stretch-backports main contrib non-free
deb-src https://mirrors.huaweicloud.com/debian/ stretch-backports main contrib non-free

163镜像（推荐）

deb http://mirrors.163.com/debian/ stretch main non-free contrib
deb http://mirrors.163.com/debian/ stretch-updates main non-free contrib
deb http://mirrors.163.com/debian/ stretch-backports main non-free contrib
deb-src http://mirrors.163.com/debian/ stretch main non-free contrib
deb-src http://mirrors.163.com/debian/ stretch-updates main non-free contrib
deb-src http://mirrors.163.com/debian/ stretch-backports main non-free contrib
deb http://mirrors.163.com/debian-security/ stretch/updates main non-free contrib
deb-src http://mirrors.163.com/debian-security/ stretch/updates main non-free contrib

上交大镜像

deb https://mirror.sjtu.edu.cn/debian/ stretch main contrib non-free
deb-src https://mirror.sjtu.edu.cn/debian/ stretch main contrib non-free
deb https://mirror.sjtu.edu.cn/debian/ stretch-updates main contrib non-free
deb-src https://mirror.sjtu.edu.cn/debian/ stretch-updates main contrib non-free
deb https://mirror.sjtu.edu.cn/debian/ stretch-backports main contrib non-free
deb-src https://mirror.sjtu.edu.cn/debian/ stretch-backports main contrib non-free
deb https://mirror.sjtu.edu.cn/debian-security/ stretch/updates main contrib non-free
deb-src https://mirror.sjtu.edu.cn/debian-security/ stretch/updates main contrib non-free

中科大镜像

deb https://mirrors.ustc.edu.cn/debian/ stretch main contrib non-free
deb-src https://mirrors.ustc.edu.cn/debian/ stretch main contrib non-free
deb https://mirrors.ustc.edu.cn/debian/ stretch-updates main contrib non-free
deb-src https://mirrors.ustc.edu.cn/debian/ stretch-updates main contrib non-free
deb https://mirrors.ustc.edu.cn/debian/ stretch-backports main contrib non-free
deb-src https://mirrors.ustc.edu.cn/debian/ stretch-backports main contrib non-free
deb https://mirrors.ustc.edu.cn/debian-security/ stretch/updates main contrib non-free
deb-src https://mirrors.ustc.edu.cn/debian-security/ stretch/updates main contrib non-free

腾讯云镜像

deb http://mirrors.tencentyun.com/debian stretch main contrib non-free
deb http://mirrors.tencentyun.com/debian stretch-updates main contrib non-free
deb http://mirrors.tencentyun.com/debian-security stretch/updates main
deb http://mirrors.tencentyun.com/debian stretch-backports main contrib non-free
deb http://mirrors.tencentyun.com/debian stretch-proposed-updates main contrib non-free

deb-src http://mirrors.tencentyun.com/debian stretch main contrib non-free
deb-src http://mirrors.tencentyun.com/debian stretch-updates main contrib non-free
deb-src http://mirrors.tencentyun.com/debian-security stretch/updates main
deb-src http://mirrors.tencentyun.com/debian stretch-backports main contrib non-free
deb-src http://mirrors.tencentyun.com/debian stretch-proposed-updates main contrib non-free

# 更新软件信息:
apt-get update
apt-get upgrade