Ubuntu国内源

```shell # 备份文件 $ sudo cp /etc/apt/sources.list /etc/apt/sources.list.bak # 修改为aliyun源 $ sudo sed -i s@/archive.ubuntu.com/@/mirrors.aliyun.com/@g /etc/apt/sources.list ``` 也可以直接编辑该文件: ``` deb http://mirrors.aliyun.com/ubuntu/ bionic main restricted deb http://mirrors.aliyun.com/ubuntu/ bionic-updates main restricted deb http://mirrors.aliyun.com/ubuntu/ bionic universe deb http://mirrors.aliyun.com/ubuntu/ bionic-updates universe deb http://mirrors.aliyun.com/ubuntu/ bionic multiverse deb http://mirrors.aliyun.com/ubuntu/ bionic-updates multiverse deb http://mirrors.aliyun.com/ubuntu/ bionic-backports main restricted universe multiverse deb http://mirrors.aliyun.com/ubuntu bionic-security main restricted deb http://mirrors.aliyun.com/ubuntu bionic-security universe deb http://mirrors.aliyun.com/ubuntu bionic-security multiverse ```