Ubuntu 24 换国内源及原理 （阿里源）

备份原文件

sudo cp /etc/apt/sources.list.d/ubuntu.sources /etc/apt/sources.list.d/ubuntu.sources.bak

编辑源文件

sudo gedit /etc/apt/sources.list.d/ubuntu.sources

（阿里源）

Types: deb deb-src
URIs: https://mirrors.aliyun.com/ubuntu/
Suites: noble noble-security noble-updates noble-proposed noble-backports
Components: main restricted universe multiverse
Signed-By: /usr/share/keyrings/ubuntu-archive-keyring.gpg

更新：

sudo apt-get update
sudo apt-get upgrade