ubuntu replace Ali source

　　Backup original source:   

1. cd /etc/apt
2. sudo mv sources.list sources.list_bak
3. sudo we sources.list　　

　　Visit: https: //opsx.alibaba.com/mirror

　　The correspondence information copy version Installation ubuntu

　　　　PS: Check system version command lsb_release -a

　　Save and sudo apt-get update, the update is successful

　　

 

　　Another way to add the source: ppa

　　add-apt-repository

add-apt-repository ppa:<ppa_name>

For example: Install the latest Audacious ( Ubuntu under)

sudo add-apt-repository ppa:nilarimogard/webupd8

sudo apt-get update

sudo apt-get install audacious

From Baidu Encyclopedia

In this way the source added, is generally not added to the official list of the system, or test versions of various software.