ubuntu16 阿里云 源-轻松更换Ubuntu16的软件源，享受阿里云的高速体验

在使用Ubuntu16操作系统时，为了提高软件的下载速度，我们可以将软件源更换为阿里云源。下面将介绍如何设置阿里云源。

第一步：备份原有的软件源

在进行任何更改之前，我们应该先备份原有的软件源文件。打开终端，输入以下命令：

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

第二步：编辑软件源文件

使用文本编辑器打开软件源文件：

sudo vi /etc/apt/sources.list

在文件中找到所有以"deb"开头的行，并将它们替换为以下内容：

```

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

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

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

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

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

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

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

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

Uncomment the following two lines to add software from Canonical's

'partner' repository.

This software is not part of Ubuntu, but is offered by Canonical and the

respective vendors as a service to Ubuntu users.

# deb http://archive.canonical.com/ubuntu xenial partner

# deb-src http://archive.canonical.com/ubuntu xenial partner。

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