国内常用的Ubuntu镜像地址（持续更新）

使用 ubuntu 安装软件时，系统默认使用的服务器是在国外，访问起来比较慢。本文记录一些常用的国内镜像，方便学员配置，使用。

修改更新源地址

要修改更新源地址，可以编辑 /etc/apt/sources.list 文件。需要有管理员权限，所以一般执行:

sudo vi /etc/apt/sources.list

修改保存以后记得执行一次:

sudo apt-get update

国内源

科大源

deb http://mirrors.ustc.edu.cn/ubuntu/ bionic main restricted universe multiverse
deb http://mirrors.ustc.edu.cn/ubuntu/ bionic-security main restricted universe multiverse
deb http://mirrors.ustc.edu.cn/ubuntu/ bionic-updates main restricted universe multiverse
deb http://mirrors.ustc.edu.cn/ubuntu/ bionic-proposed main restricted universe multiverse
deb http://mirrors.ustc.edu.cn/ubuntu/ bionic-backports main restricted universe multiverse
deb-src http://mirrors.ustc.edu.cn/ubuntu/ bionic main restricted universe multiverse
deb-src http://mirrors.ustc.edu.cn/ubuntu/ bionic-security main restricted universe multiverse
deb-src http://mirrors.ustc.edu.cn/ubuntu/ bionic-updates main restricted universe multiverse
deb-src http://mirrors.ustc.edu.cn/ubuntu/ bionic-proposed main restricted universe multiverse
deb-src http://mirrors.ustc.edu.cn/ubuntu/ bionic-backports main restricted universe multiverse

阿里源

deb http://mirrors.aliyun.com/ubuntu bionic main restricted
deb http://mirrors.aliyun.com/ubuntu bionic-updates main restricted
deb http://mirrors.aliyun.com/ubuntu bionic universe
deb http://mirrors.aliyun.com/ubuntu bionic-updates universe
deb http://mirrors.aliyun.com/ubuntu bionic multiverse
deb http://mirrors.aliyun.com/ubuntu bionic-updates multiverse
deb http://mirrors.aliyun.com/ubuntu bionic-backports main restricted universe multiverse
deb http://mirrors.aliyun.com/ubuntu bionic-security main restricted
deb http://mirrors.aliyun.com/ubuntu bionic-security universe
deb http://mirrors.aliyun.com/ubuntu bionic-security multiverse