ubuntu 改换163源

1. sudo -i
2. cp /etc/apt/sources.list sources.list.back
3. vim /ec/apt/sources.list

4. deb http://mirrors.163.com/ubuntu/ trusty main restricted universe multiverse
   deb http://mirrors.163.com/ubuntu/ trusty-security main restricted universe multiverse
   deb http://mirrors.163.com/ubuntu/ trusty-updates main restricted universe multiverse
   deb http://mirrors.163.com/ubuntu/ trusty-proposed main restricted universe multiverse
   deb http://mirrors.163.com/ubuntu/ trusty-backports main restricted universe multiverse
   deb-src http://mirrors.163.com/ubuntu/ trusty main restricted universe multiverse
   deb-src http://mirrors.163.com/ubuntu/ trusty-security main restricted universe multiverse
   deb-src http://mirrors.163.com/ubuntu/ trusty-updates main restricted universe multiverse
   deb-src http://mirrors.163.com/ubuntu/ trusty-proposed main restricted universe multiverse
   deb-src http://mirrors.163.com/ubuntu/ trusty-backports main restricted universe multiverse

   
   

   
   

   
   

ubuntu 改换163源

原文：http://my.oschina.net/muyexia/blog/517211