ubuntu-apt更换国内源

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本文详细介绍了如何在Ubuntu16、18和20版本中更换为国内镜像源，包括阿里云、清华、中科大和网易等源的操作步骤，以提高软件包下载速度。首先通过`sudoaptedit-sources`或直接编辑`sources.list`文件，然后替换相应版本的源信息，最后执行`sudoaptupdate`和`sudoaptupgrade`进行更新。

ubuntu常用的国内源

阿里源 https://developer.aliyun.com/mirror/
清华源 https://mirrors.tuna.tsinghua.edu.cn/
中科大源 http://mirrors.ustc.edu.cn/
网易源 http://mirrors.163.com/

具体操作方法

sudo apt edit-sources

# 输入命令
sudo apt edit-sources
# 按照提示输入密码以及选择编辑器
# 根据ubuntu的版本将内容替换下一章节中的内容
# 更新软件列表
sudo apt update
# 更新
sudo apt upgrade

直接使用编辑器编辑

# 先备份
sudo cp /etc/apt/sources.list /etc/apt/sources.list.bak
# 更改文件的可编辑权限
sudo chmod a+xrw /etc/apt/sources.list
# 使用编辑器进行编辑，比如vim
sudo vim /etc/apt/sources.list
# 根据ubuntu的版本将内容替换下一章节中的内容
# 更新软件列表
sudo apt update
# 更新
sudo apt upgrade

具体的源设置

ubuntu16

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

ubuntu18

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

ubuntu20

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