Ubuntu 快速更换阿里源

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本文主要给大家讲解如何为Ubuntu更换阿里源，通过以下四个步骤即可快速实现换源。


镜像下载、域名解析、时间同步请点击 阿里巴巴开源镜像站
一、查看ubuntu的Codenam

1. lsb_release -a

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二、备份系统源

• 1. cd /etc/apt

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• 1. sudo mv sources.list sources.list.bak

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三、写入阿里云的源

1. vi sources.list

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下面源信息中$Codename为第一步中系统的Codename，用记事本批量替换即可。

ubuntu 16.04 配置如下

1. deb https://mirrors.aliyun.com/ubuntu/ xenial main
   
2. deb-src https://mirrors.aliyun.com/ubuntu/ xenial main
   
3. 
   
4. deb https://mirrors.aliyun.com/ubuntu/ xenial-updates main
   
5. deb-src https://mirrors.aliyun.com/ubuntu/ xenial-updates main
   
6. 
   
7. deb https://mirrors.aliyun.com/ubuntu/ xenial universe
   
8. deb-src https://mirrors.aliyun.com/ubuntu/ xenial universe
   
9. deb https://mirrors.aliyun.com/ubuntu/ xenial-updates universe
   
10. deb-src https://mirrors.aliyun.com/ubuntu/ xenial-updates universe
    
11. 
    
12. deb https://mirrors.aliyun.com/ubuntu/ xenial-security main
    
13. deb-src https://mirrors.aliyun.com/ubuntu/ xenial-security main
    
14. deb https://mirrors.aliyun.com/ubuntu/ xenial-security universe
    
15. deb-src https://mirrors.aliyun.com/ubuntu/ xenial-security universe
    

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ubuntu 18.04(bionic) 配置如下

1. deb https://mirrors.aliyun.com/ubuntu/ bionic main restricted universe multiverse
   
2. deb-src https://mirrors.aliyun.com/ubuntu/ bionic main restricted universe multiverse
   
3. 
   
4. deb https://mirrors.aliyun.com/ubuntu/ bionic-security main restricted universe multiverse
   
5. deb-src https://mirrors.aliyun.com/ubuntu/ bionic-security main restricted universe multiverse
   
6. 
   
7. deb https://mirrors.aliyun.com/ubuntu/ bionic-updates main restricted universe multiverse
   
8. deb-src https://mirrors.aliyun.com/ubuntu/ bionic-updates main restricted universe multiverse
   
9. 
   
10. # deb https://mirrors.aliyun.com/ubuntu/ bionic-proposed main restricted universe multiverse
    
11. # deb-src https://mirrors.aliyun.com/ubuntu/ bionic-proposed main restricted universe multiverse
    
12. 
    
13. deb https://mirrors.aliyun.com/ubuntu/ bionic-backports main restricted universe multiverse
    
14. deb-src https://mirrors.aliyun.com/ubuntu/ bionic-backports main restricted universe multiverse
    

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ubuntu 20.04(focal) 配置如下

1. deb https://mirrors.aliyun.com/ubuntu/ focal main restricted universe multiverse
   
2. deb-src https://mirrors.aliyun.com/ubuntu/ focal main restricted universe multiverse
   
3. 
   
4. deb https://mirrors.aliyun.com/ubuntu/ focal-security main restricted universe multiverse
   
5. deb-src https://mirrors.aliyun.com/ubuntu/ focal-security main restricted universe multiverse
   
6. 
   
7. deb https://mirrors.aliyun.com/ubuntu/ focal-updates main restricted universe multiverse
   
8. deb-src https://mirrors.aliyun.com/ubuntu/ focal-updates main restricted universe multiverse
   
9. 
   
10. # deb https://mirrors.aliyun.com/ubuntu/ focal-proposed main restricted universe multiverse
    
11. # deb-src https://mirrors.aliyun.com/ubuntu/ focal-proposed main restricted universe multiverse
    
12. 
    
13. deb https://mirrors.aliyun.com/ubuntu/ focal-backports main restricted universe multiverse
    
14. deb-src https://mirrors.aliyun.com/ubuntu/ focal-backports main restricted universe multiverse
    

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四、执行更新

执行以下命令，完成更新。

1. apt-get update

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说明：可以通过阿里云开源镜像站资源目录查看是否支持当前系统的Codename。