ubuntu 命令行方式 更换软件源

忘记了之前看的哪位大佬的博客。。。若有侵权请联系删除

软件源的地址配置地址在 

 /etc/apt/sources.list 

1. 先备份之前的配置文件

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

　　1.1 修改配置文件

sudo vim /etc/apt/sources.list

　　

2.修改内容如下

按i进入插入模式，将之前的源删掉，注意这个文件夹中#是注释,复制以下内容粘贴，之后按Esc，之后按:进入命令模式，wq退出并保存

deb http://mirrors.ustc.edu.cn/ubuntu/ xenial main restricted universe multiverse

deb http://mirrors.ustc.edu.cn/ubuntu/ xenial-security main restricted universe multiverse

deb http://mirrors.ustc.edu.cn/ubuntu/ xenial-updates main restricted universe multiverse

deb http://mirrors.ustc.edu.cn/ubuntu/ xenial-proposed main restricted universe multiverse

deb http://mirrors.ustc.edu.cn/ubuntu/ xenial-backports main restricted universe multiverse

deb-src http://mirrors.ustc.edu.cn/ubuntu/ xenial main restricted universe multiverse

deb-src http://mirrors.ustc.edu.cn/ubuntu/ xenial-security main restricted universe multiverse

deb-src http://mirrors.ustc.edu.cn/ubuntu/ xenial-updates main restricted universe multiverse

deb-src http://mirrors.ustc.edu.cn/ubuntu/ xenial-proposed main restricted universe multiverse

deb-src http://mirrors.ustc.edu.cn/ubuntu/ xenial-backports main restricted universe multiverse

最后记得更新  sudo apt-get update