如果是高手，请翻到页面最下方，更换更新源的总结，直接操作即可

　　

  可能会优点啰嗦，但是认真看，一定能解决问题~~希望对大家有帮助~

　　最近在熟悉linux环境，自己安装了一个ubuntu虚拟机。 很多朋友问装了ubuntu怎么改成中文版，装完系统后可能没有中文包，自动联网下载又连不上外国的服务器。所以在这里，我把自己更换软件更新源的方法写出来分享一下~

更新源是什么呢？？  在ubuntu系统中，有一个文件，里面放着更新源信息，当我们下载软件的时候，都会去文件里找去哪个服务器下载。但是系统是人家外国人的，更新源默认都是外国服务器，我们下载软件自然很吃力。

解决办法：我们把更新源改成中国的服务器吧~~~

下面我会一步一步操作一下更改更新源：

1  跳到更新源文件所在的目录下，终端执行：

cd /etc/apt/

　　此时，我们可以在当前目录看一下里面的文件，终端执行: ls   我们会看到当前目录下所有文件，不出意外 会有一个sources.list文件，这个文件里面写的就是更新源。我们接下来都是对它进行操作

2  将原来的更新源备份一下，注意要用管理员权限进行操作，终端执行：

sudo cp sources.list copy_sources.list

　　此时，当前目录下会多一个copy_sources.list的文件，是我们自己的备份，万一我们把更新源改坏了，还可以恢复回来

3  更换更新源

　　我们可以在百度上搜索“ubuntu xxxx版本   更新源”，类似这样的关键字，就能搜到。

　　我们挑选一个自己喜欢的更新源，将上面的源码复制一下，粘贴到sources.list源文件里面覆盖原来的内容保存，这样就改掉了更新源。但是往往需要我们用管理员权限，具体操作：终端中执行：

sudo gedit sources.list
　　然后复制更新源代码，更换sources.list文件里的代码，保存，退出。
　　ok了！！到了这里基本完成了

ubuntu16.04版本的更新源：

东北大学

deb-src http://mirror.neu.edu.cn/ubuntu/ xenial main restricted #Added by software-properties

deb http://mirror.neu.edu.cn/ubuntu/ xenial main restricted

deb-src http://mirror.neu.edu.cn/ubuntu/ xenial restricted multiverse universe #Added by software-properties

deb http://mirror.neu.edu.cn/ubuntu/ xenial-updates main restricted

deb-src http://mirror.neu.edu.cn/ubuntu/ xenial-updates main restricted multiverse universe #Added by software-properties

deb http://mirror.neu.edu.cn/ubuntu/ xenial universe

deb http://mirror.neu.edu.cn/ubuntu/ xenial-updates universe

deb http://mirror.neu.edu.cn/ubuntu/ xenial multiverse

deb http://mirror.neu.edu.cn/ubuntu/ xenial-updates multiverse

deb http://mirror.neu.edu.cn/ubuntu/ xenial-backports main restricted universe multiverse

deb-src http://mirror.neu.edu.cn/ubuntu/ xenial-backports main restricted universe multiverse #Added by software-properties

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

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

deb http://mirror.neu.edu.cn/ubuntu/ xenial-security main restricted

deb-src http://mirror.neu.edu.cn/ubuntu/ xenial-security main restricted multiverse universe #Added by software-properties

deb http://mirror.neu.edu.cn/ubuntu/ xenial-security universe

deb http://mirror.neu.edu.cn/ubuntu/ xenial-security multiverse

清华大学

# deb cdrom:[Ubuntu 16.04 LTS _Xenial Xerus_ - Release amd64 (20160420.1)]/ xenial main restricted

deb http://mirrors.tuna.tsinghua.edu.cn/ubuntu/ xenial main restricted

deb http://mirrors.tuna.tsinghua.edu.cn/ubuntu/ xenial-updates main restricted

deb http://mirrors.tuna.tsinghua.edu.cn/ubuntu/ xenial universe

deb http://mirrors.tuna.tsinghua.edu.cn/ubuntu/ xenial-updates universe

deb http://mirrors.tuna.tsinghua.edu.cn/ubuntu/ xenial multiverse

deb http://mirrors.tuna.tsinghua.edu.cn/ubuntu/ xenial-updates multiverse

deb http://mirrors.tuna.tsinghua.edu.cn/ubuntu/ xenial-backports main restricted universe multiverse

deb http://mirrors.tuna.tsinghua.edu.cn/ubuntu/ xenial-security main restricted

deb http://mirrors.tuna.tsinghua.edu.cn/ubuntu/ xenial-security universe

deb http://mirrors.tuna.tsinghua.edu.cn/ubuntu/ xenial-security multiverse


阿里云




# deb cdrom:[Ubuntu 16.04 LTS _Xenial Xerus_ - Release amd64 (20160420.1)]/ xenial main restricted

deb-src http://archive.ubuntu.com/ubuntu xenial main restricted #Added by software-properties

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

deb-src http://mirrors.aliyun.com/ubuntu/ xenial main restricted multiverse universe #Added by software-properties

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

deb-src http://mirrors.aliyun.com/ubuntu/ xenial-updates main restricted multiverse universe #Added by software-properties

deb http://mirrors.aliyun.com/ubuntu/ xenial universe

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

deb http://mirrors.aliyun.com/ubuntu/ xenial multiverse

deb http://mirrors.aliyun.com/ubuntu/ xenial-updates 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 #Added by software-properties

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

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

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

deb-src http://mirrors.aliyun.com/ubuntu/ xenial-security main restricted multiverse universe #Added by software-properties

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

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





-------------------------------------------------------
ubuntu1 18 版本的更新源：
阿里的




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

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

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

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

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

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




中科大的




deb https://mirrors.ustc.edu.cn/ubuntu/ bionic main restricted universe multiverse

deb-src https://mirrors.ustc.edu.cn/ubuntu/ bionic main restricted universe multiverse

deb https://mirrors.ustc.edu.cn/ubuntu/ bionic-updates main restricted universe multiverse

deb-src https://mirrors.ustc.edu.cn/ubuntu/ bionic-updates main restricted universe multiverse

deb https://mirrors.ustc.edu.cn/ubuntu/ bionic-backports main restricted universe multiverse

deb-src https://mirrors.ustc.edu.cn/ubuntu/ bionic-backports main restricted universe multiverse

deb https://mirrors.ustc.edu.cn/ubuntu/ bionic-security main restricted universe multiverse

deb-src https://mirrors.ustc.edu.cn/ubuntu/ bionic-security main restricted universe multiverse

deb https://mirrors.ustc.edu.cn/ubuntu/ bionic-proposed main restricted universe multiverse

deb-src https://mirrors.ustc.edu.cn/ubuntu/ bionic-proposed main restricted universe multiverse




163网易的




deb http://mirrors.163.com/ubuntu/ bionic main restricted universe multiverse

deb http://mirrors.163.com/ubuntu/ bionic-security main restricted universe multiverse

deb http://mirrors.163.com/ubuntu/ bionic-updates main restricted universe multiverse

deb http://mirrors.163.com/ubuntu/ bionic-proposed main restricted universe multiverse

deb http://mirrors.163.com/ubuntu/ bionic-backports main restricted universe multiverse

deb-src http://mirrors.163.com/ubuntu/ bionic main restricted universe multiverse

deb-src http://mirrors.163.com/ubuntu/ bionic-security main restricted universe multiverse

deb-src http://mirrors.163.com/ubuntu/ bionic-updates main restricted universe multiverse

deb-src http://mirrors.163.com/ubuntu/ bionic-proposed main restricted universe multiverse

deb-src http://mirrors.163.com/ubuntu/ bionic-backports main restricted universe multiverse




清华大学的




deb https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ bionic main restricted universe multiverse

deb-src https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ bionic main restricted universe multiverse

deb https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ bionic-updates main restricted universe multiverse

deb-src https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ bionic-updates main restricted universe multiverse

deb https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ bionic-backports main restricted universe multiverse

deb-src https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ bionic-backports main restricted universe multiverse

deb https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ bionic-security main restricted universe multiverse

deb-src https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ bionic-security main restricted universe multiverse

deb https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ bionic-proposed main restricted universe multiverse

deb-src https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ bionic-proposed main restricted universe multiverse





4  检查一下是否能成功下载软件，终端执行
　　sudo apt-get update

等待进度完成，我们的ubuntu就能够从国内的服务器下载软件了~~~~

~总结一下(干货！省略很多步骤，菜鸟不要直接参考)：
1 打开更新源文件并编辑：终端： sudo gedit /etc/apt/sources.list 或者 sudo vim /etc/apt/sources.list
2 搜所适合自己的更新源服务器代码，也可参考上面我分享给大家的，把代码复制，粘贴替换sources.list文件里的代码，保存退出
3 终端：sudo apt-get update
结束！



 
												


																

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