【Ubuntu】Ubuntu16.04换源

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文章转自博客： https://blog.csdn.net/happywho250/article/details/52506321

ubuntu 16.04换阿里云源为

换成国内最快的阿里云源

第一步：备份原来的源文件

cd /etc/apt/  

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然后会显示下面的源文件sources.list
输入命令
sudo cp sources.list sources.list.bak
就是将sources.list备份到sources.list.bak

第二步：替换源

阿里云源的文件

    deb http://mirrors.aliyun.com/ubuntu/ xenial main restricted universe multiverse  
    deb http://mirrors.aliyun.com/ubuntu/ xenial-security main restricted universe multiverse  
    deb http://mirrors.aliyun.com/ubuntu/ xenial-updates main restricted universe multiverse  
    deb http://mirrors.aliyun.com/ubuntu/ xenial-backports main restricted universe multiverse  
    ##测试版源  
    deb http://mirrors.aliyun.com/ubuntu/ xenial-proposed main restricted universe multiverse  
    # 源码  
    deb-src http://mirrors.aliyun.com/ubuntu/ xenial main restricted universe multiverse  
    deb-src http://mirrors.aliyun.com/ubuntu/ xenial-security main restricted universe multiverse  
    deb-src http://mirrors.aliyun.com/ubuntu/ xenial-updates main restricted universe multiverse  
    deb-src http://mirrors.aliyun.com/ubuntu/ xenial-backports main restricted universe multiverse  
    ##测试版源  
    deb-src http://mirrors.aliyun.com/ubuntu/ xenial-proposed main restricted universe multiverse  
    # Canonical 合作伙伴和附加  
    deb http://archive.canonical.com/ubuntu/ xenial partner  
    # 这个链接没毛用啊，我就不用了 deb http://extras.ubuntu.com/ubuntu/ xenial main  

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替换并保存
sudo gedit sources.list打开文件，替换成阿里云文件即可

第三步：更新源和软件

   sudo apt-get update 更新源  
   sudo apt-get upgrade 更新软件