阿里云Ubuntu 18.04源
deb http://mirrors.aliyun.com/ubuntu/ bionic main restricted universe multiverse
deb http://mirrors.aliyun.com/ubuntu/ bionic-security main restricted universe multiverse
deb http://mirrors.aliyun.com/ubuntu/ bionic-updates main restricted universe multiverse
deb http://mirrors.aliyun.com/ubuntu/ bionic-proposed main restricted universe multiverse
deb http://mirrors.aliyun.com/ubuntu/ bionic-backports main restricted universe multiverse
deb-src http://mirrors.aliyun.com/ubuntu/ bionic main restricted universe multiverse
deb-src http://mirrors.aliyun.com/ubuntu/ bionic-security main restricted universe multiverse
deb-src http://mirrors.aliyun.com/ubuntu/ bionic-updates main restricted universe multiverse
deb-src http://mirrors.aliyun.com/ubuntu/ bionic-proposed main restricted universe multiverse
deb-src http://mirrors.aliyun.com/ubuntu/ bionic-backports main restricted universe multiverse
如何更换源：
更换apt源：（先备份一下）
cd /etc/apt/
sudo cp sources.list sources.list.bak && sudo vim sources.list
删除其中所有内容，替换成最上边的源内容：（vim 下 删除所有行 的命令 :1,$d ）
然后执行
sudo apt update
sudo apt upgrade
作者：倚南_Determined
链接：https://www.jianshu.com/p/16502ed02e29
来源：简书
简书著作权归作者所有，任何形式的转载都请联系作者获得授权并注明出处。