Ubuntu 更新软件源(阿里源、华为源、清华源)

专栏总目录

一、打开sources.list文件

（一）备份

cp /etc/apt/sources.list /etc/apt/sources.list.bf_yyyymmdd

（二）打开

vi /etc/apt/sources.list

二、修改内容

#阿里源地址

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