ubuntu apt源设置

本文指导您如何替换Ubuntu系统的sources.list文件内容,以使用不同源,包括官方源、国内源和镜像源,以获得更好的下载速度和稳定性。
  • sudo cp /etc/apt/sources.list /etc/apt/sources.list_backup 
    
  • sudo vi /etc/apt/sources.list
    
  • 用以下内容替换文件中的所有内容

    deb http://archive.ubuntu.com/ubuntu/ dapper main restricted universe multiverse
    
    deb http://archive.ubuntu.com/ubuntu/ dapper-security main restricted universe multiverse
    
    deb http://archive.ubuntu.com/ubuntu/ dapper-updates main restricted universe multiverse
    
    deb http://archive.ubuntu.com/ubuntu/ dapper-backports main restricted universe multiverse
    
    deb http://ubuntu.cn99.com/ubuntu-cn/ dapper main restricted universe multiverse
    

    这里你也可以直接使用更快速的ubuntu.cn99.com的源(推荐):

    deb http://ubuntu.cn99.com/ubuntu/ dapper main restricted universe multiverse
    
    deb http://ubuntu.cn99.com/ubuntu/ dapper-updates main restricted universe multiverse
    
    deb http://ubuntu.cn99.com/ubuntu/ dapper-security main restricted universe multiverse
    
    deb http://ubuntu.cn99.com/ubuntu/ dapper-backports main restricted universe multiverse
    
    deb http://ubuntu.cn99.com/ubuntu-cn/ dapper main restricted universe multiverse
    

    这里你还可以使用速度也非常快的的mirror.lupaworld.com的源:

    deb http://mirror.lupaworld.com/ubuntu/archive/ dapper main restricted universe multiverse
    
    deb http://mirror.lupaworld.com/ubuntu/archive/ dapper-security main restricted universe multiverse
    
    deb http://mirror.lupaworld.com/ubuntu/archive/ dapper-updates main restricted universe multiverse
    
    deb http://mirror.lupaworld.com/ubuntu/archive/ dapper-backports main restricted universe multiverse
    
    deb http://mirror.lupaworld.com/ubuntu/ubuntu-cn/ dapper main restricted universe multiverse
    

    如果是教育网用户推荐使用上海交通大学的源:

    deb http://ftp.sjtu.edu.cn/ubuntu/ dapper main multiverse restricted universe
    
    deb http://ftp.sjtu.edu.cn/ubuntu/ dapper-backports main multiverse restricted universe
    
    deb http://ftp.sjtu.edu.cn/ubuntu/ dapper-proposed main multiverse restricted universe
    
    deb http://ftp.sjtu.edu.cn/ubuntu/ dapper-security main multiverse restricted universe
    
    deb http://ftp.sjtu.edu.cn/ubuntu/ dapper-updates main multiverse restricted universe
    
    deb http://ftp.sjtu.edu.cn/ubuntu-cn/ dapper bleeding main multiverse restricted universe
    

    教育网用户也推荐使用清华大学计算机系学生科协的源:

    deb http://mirror.net9.org/ubuntu/ dapper main multiverse restricted universe
    
    deb http://mirror.net9.org/ubuntu/ dapper-backports main multiverse restricted universe
    
    deb http://mirror.net9.org/ubuntu/ dapper-proposed main multiverse restricted universe
    
    deb http://mirror.net9.org/ubuntu/ dapper-security main multiverse restricted universe
    
    deb http://mirror.net9.org/ubuntu/ dapper-updates main multiverse restricted universe
    
    deb http://mirror.net9.org/ubuntu-cn/ dapper main multiverse restricted universe
    
  • 163的源(11.04)

  • deb http://mirrors.163.com/ubuntu/ lucid main universe restricted multiverse
    deb-src http://mirrors.163.com/ubuntu/ lucid main universe restricted multiverse
    deb http://mirrors.163.com/ubuntu/ lucid-security universe main multiverse restricted
    deb-src http://mirrors.163.com/ubuntu/ lucid-security universe main multiverse restricted
    deb http://mirrors.163.com/ubuntu/ lucid-updates universe main multiverse restricted
    deb http://mirrors.163.com/ubuntu/ lucid-proposed universe main multiverse restricted
    deb-src http://mirrors.163.com/ubuntu/ lucid-proposed universe main multiverse restricted
    deb http://mirrors.163.com/ubuntu/ lucid-backports universe main multiverse restricted
    deb-src http://mirrors.163.com/ubuntu/ lucid-backports universe main multiverse restricted
    deb-src http://mirrors.163.com/ubuntu/ lucid-updates universe main multiverse restricted

  • 保存编辑好的文件

    sudo apt-get update
### 如何在 Ubuntu 系统中设置 APT #### 配置文件概述 `/etc/apt/sources.list` 文件是 Ubuntu 和其他基于 Debian 的 Linux 发行版中的核心配置文件之一。该文件定义了系统从哪些软件仓库获取软件包及其更新的信息[^2]。 #### 修改前的准备工作 为了防止意外损坏系统的软件配置,在修改 `sources.list` 文件之前,建议先对其进行备份。可以通过以下命令完成此操作: ```bash sudo cp /etc/apt/sources.list /etc/apt/sources.list.bak ``` 这条命令会创建一份当前 `sources.list` 文件的副本,并将其保存为 `/etc/apt/sources.list.bak`[^3]。 #### 编辑 Sources.List 文件 编辑 `sources.list` 文件需要超级用户权限。可以使用任意支持终端的文本编辑器打开并修改该文件。以下是常用的几种方法: - 使用 nano 编辑器: ```bash sudo nano /etc/apt/sources.list ``` - 使用 vi/vim 编辑器: ```bash sudo vim /etc/apt/sources.list ``` #### 示例:配置国内阿里云镜像(适用于 Ubuntu 16.04) 对于希望加速软件下载和更新过程的用户来说,替换默认的官方为国内镜像是常见的做法。下面是一个针对 Ubuntu 16.04 版本的 Aliyun 软件配置示例[^4]: ```plaintext 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-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 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 ``` 上述内容应完全覆盖原有的 `sources.list` 文件内容以启用新的软件。 #### 更新本地索引 完成以上更改后,需运行以下命令刷新本地缓存,使新配置生效: ```bash sudo apt update ``` 如果一切正常,则表示已成功切换到新的 APT [^1]。 ---
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