ubuntu20.04LSTapt源更换（阿里）_ubuntu20.04 apt阿里源-优快云博客

本文链接：https://blog.youkuaiyun.com/hypnumberone/article/details/123698056

该博客指导如何以root权限运行终端，并使用gedit或vi编辑器修改/etc/apt/sources.list文件，将内容替换为阿里云的Ubuntu镜像源。完成修改后，通过运行'apt update'命令更新apt文件，确保系统可以快速稳定地获取软件包。

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1.以root方式运行终端：

2.用gedit编辑器(或者vi 编辑器)打开目录/etc/apt/sources.list

注意标橙的地方不要更改，然后将以下代码复制到标橙的下面去

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

3.输入更新apt文件命令：apt update

之后就可以愉快玩耍了！！！