ubuntu18.04更换阿里源教程

1. 打开终端，输入 `sudo nano /etc/apt/sources.list` 并回车，进入编辑模式。
2. 将原来的源替换为阿里云源，格式如下:

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

3. 按 `ctrl + o` 保存，按 `ctrl + x` 退出。
4. 执行 `sudo apt-get update` 命令更新源。

注意: "bionic" 是ubuntu 18.04的代号，如果你使用其他版本的ubuntu请将"bionic"替换为对应版本的代号。

相关问题

ubuntu18.04更换阿里源

要将Ubuntu 18.04更换为阿里源，您可以按照以下步骤进行操作：

1. 备份原来的系统默认源：打开终端，执行以下命令进行备份：

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

2. 打开源文件进行编辑：执行以下命令打开源文件：

   sudo gedit /etc/apt/sources.list

3. 在gedit文本编辑器中，将下面的阿里源复制粘贴到源文件中：

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

4. 保存并关闭文件。

通过执行以上步骤，您已成功将Ubuntu 18.04更换为阿里源。这样可以提高您的网速，使软件下载更加快速。<span class="em">1</span><span class="em">2</span><span class="em">3</span>
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ubuntu18.04 换阿里源

可以通过以下步骤将 Ubuntu 18.04 的软件源更换为阿里源：

1. 备份原有的软件源列表文件：

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

2. 编辑软件源列表文件，将其中的内容替换为阿里源的地址：

   sudo vim /etc/apt/sources.list

在编辑器中输入以下内容：

   # 阿里源
   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

3. 更新软件源列表：

   sudo apt-get update