ubuntu16.04和18.04更换国内源
写在前面：安装好ubuntu双系统后，默认的软件更新源是国外的，在国内使用速度很慢，用"apt install xxx"安装软件时可能出现"网络不可达"、"你的网络需要认证吗"、"无法定位软件包"等错误，所以我们需要更换成国内的源，这样才能正常安装和更新软件。
一、ubuntu16.04更换国内源
1.备份原始源文件source.list
桌面打开终端，执行命令：sudo cp /etc/apt/sources.list /etc/apt/sources.list.bak
2.修改源文件sources.list
（1）终端执行命令：sudo chmod 777 /etc/apt/sources.list 更改文件权限使其可编辑；
（2）执行命令： sudo gedit /etc/apt/sources.list 打开文件进行编辑；
（3）删除原来的文件内容，复制下面的任意一个到其中并保存
阿里源：
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-proposed main restricted universe multiverse
deb http://mirrors.aliyun.com/ubuntu/ xenial-backports main restricted universe multiverse
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-proposed main restricted universe multiverse
deb-src http://mirrors.aliyun.com/ubuntu/ xenial-backports main restricted universe multiverse
清华源：
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
3.更新源
桌面终端执行命令：sudo apt update更新软件列表，换源完成。
二、ubuntu18.04更换国内源
1.备份原始源文件 sources.list
桌面打开终端，执行命令：sudo cp /etc/apt/sources.list /etc/apt/sources.list.bak
2.修改源文件sources.list
（1）终端执行命令：sudo chmod 777 /etc/apt/sources.list更改文件权限使其可编辑；
（2）执行命令：sudo gedit /etc/apt/sources.list打开文件进行编辑；
（3）删除原来的文件内容，复制下面的任意一个到其中并保存
阿里源：
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
清华源：
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
163源：
deb http://mirrors.163.com/ubuntu/ bionic main restricted universe multiversedeb http://mirrors.163.com/ubuntu/ bionic-security main restricted universe multiversedeb http://mirrors.163.com/ubuntu/ bionic-updates main restricted universe multiversedeb http://mirrors.163.com/ubuntu/ bionic-proposed main restricted universe multiversedeb http://mirrors.163.com/ubuntu/ bionic-backports main restricted universe multiversedeb-src http://mirrors.163.com/ubuntu/ bionic main restricted universe multiversedeb-src http://mirrors.163.com/ubuntu/ bionic-security main restricted universe multiversedeb-src http://mirrors.163.com/ubuntu/ bionic-updates main restricted universe multiversedeb-src http://mirrors.163.com/ubuntu/ bionic-proposed main restricted universe multiversedeb-src http://mirrors.163.com/ubuntu/ bionic-backports main restricted universe multiverse3.更新源
桌面终端执行命令：sudo apt update更新软件列表，换源完成。
三、Ubuntu 20.04更换国内源
1.备份原始源文件 sources.list
桌面打开终端，执行命令：sudo cp /etc/apt/sources.list /etc/apt/sources.list.bak
2.修改源文件sources.list
（1）终端执行命令：sudo chmod 777 /etc/apt/sources.list更改文件权限使其可编辑；
（2）执行命令：sudo gedit /etc/apt/sources.list打开文件进行编辑；
（3）删除原来的文件内容，复制下面的任意一个到其中并保存
阿里源：
deb http://mirrors.aliyun.com/ubuntu/ focal main restricted universe multiverse
deb-src http://mirrors.aliyun.com/ubuntu/ focal main restricted universe multiverse
deb http://mirrors.aliyun.com/ubuntu/ focal-security main restricted universe multiverse
deb-src http://mirrors.aliyun.com/ubuntu/ focal-security main restricted universe multiverse
deb http://mirrors.aliyun.com/ubuntu/ focal-updates main restricted universe multiverse
deb-src http://mirrors.aliyun.com/ubuntu/ focal-updates main restricted universe multiverse
deb http://mirrors.aliyun.com/ubuntu/ focal-proposed main restricted universe multiverse
deb-src http://mirrors.aliyun.com/ubuntu/ focal-proposed main restricted universe multiverse
deb http://mirrors.aliyun.com/ubuntu/ focal-backports main restricted universe multiverse
deb-src http://mirrors.aliyun.com/ubuntu/ focal-backports main restricted universe multiverse
3.更新源
桌面终端执行命令：sudo apt update更新软件列表，换源完成。
其它系统：
debian
方法：
1，先备份源：mv /etc/apt/sources.list /etc/apt/sources.list.bak
2，增加国内的新源
nano /etc/apt/sources.list
输入以下的源地址
deb http://mirrors.ustc.edu.cn/debian/ buster main
deb-src http://mirrors.ustc.edu.cn/debian/ buster main
deb http://mirrors.ustc.edu.cn/debian-security buster/updates main
deb-src http://mirrors.ustc.edu.cn/debian-security buster/updates main
deb http://mirrors.ustc.edu.cn/debian/ buster-updates main
deb-src http://mirrors.ustc.edu.cn/debian/ buster-updates main
3，更新
apt-get update
ARM:
echo "deb https://mirror.tuna.tsinghua.edu.cn/ubuntu-ports/ focal main restricted universe multiverse
deb https://mirror.tuna.tsinghua.edu.cn/ubuntu-ports/ focal-updates main restricted universe multiversedeb https://mirror.tuna.tsinghua.edu.cn/ubuntu-ports/ focal-backports main restricted universe multiversedeb https://mirror.tuna.tsinghua.edu.cn/ubuntu-ports/ focal-security main restricted universe multiversedeb https://mirror.tuna.tsinghua.edu.cn/ubuntu-ports/ focal-proposed main restricted universe multiverse">/etc/apt/sources.list && apt update
文章评论