backup original sources.list
sudo cp /etc/apt/sources.list /etc/apt/sources.list_bak
Add ali sources
sudo vi /etc/apt/sources.list
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
Finnaly, update and upgrade sources.
sudo apt update
sudo apt upgrade
本文详细介绍如何将Ubuntu系统的软件源更换为阿里云提供的镜像站点。首先备份原有的软件源列表,然后通过编辑器修改软件源配置文件,将官方源替换为阿里云提供的镜像地址。最后更新并升级软件包。

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