ubuntu更改apt源

1、复制源文件备份

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

2、编辑源列表文件

gedit /etc/apt/sources.list

3、将原有的内容注释掉，添加以下内容

deb http://mirrors.aliyun.com/ubuntu/ bionic main restricted universe multiverse

 

deb-src http://mirrors.aliyun.com/ubuntu/ bionic main restricted universe multiverse

 

deb http://mirrors.aliyun.com/ubuntu/ bionic-security main restricted universe multiverse

 

deb-src http://mirrors.aliyun.com/ubuntu/ bionic-security main restricted universe multiverse

 

deb http://mirrors.aliyun.com/ubuntu/ bionic-updates main restricted universe multiverse

 

deb-src http://mirrors.aliyun.com/ubuntu/ bionic-updates main restricted universe multiverse

 

deb http://mirrors.aliyun.com/ubuntu/ bionic-backports main restricted universe multiverse

 

deb-src http://mirrors.aliyun.com/ubuntu/ bionic-backports main restricted universe multiverse

 

deb http://mirrors.aliyun.com/ubuntu/ bionic-proposed main restricted universe multiverse

 

deb-src http://mirrors.aliyun.com/ubuntu/ bionic-proposed main restricted universe multiverse

 

4、更新软件列表

apt-get update