ubuntu16.o4 /etc/apt/sources.list --aliyun-优快云博客

本文介绍了如何将Ubuntu系统的软件源更换为阿里云镜像源，并提供了详细的步骤说明。包括备份原有源配置文件、编辑新的源配置信息以及执行系统更新等关键操作。

sudo cp /etc/apt/sources.list /etc/apt/sources.list_bak

sudo gedit /etc/apt/sources.list

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

sudo apt-get update&&sudo apt-get upgrade

##Just wait a second, and that will be ok. Good luck :) Oh,by the way, the correct ubuntu-developement-code is needed. For example, "yakkety" is ubuntu 16.10,"vivid" is ubuntu 15.04, and... yeah, that's it.