Ubuntu26.04换阿里云镜像源过程
作者：小小的木头人
本文介绍了将Ubuntu 26.04镜像源从原始源替换为阿里云源的方法,首先备份原始的源文件,然后编辑并替换为阿里云源的内容,接着更新缓存并验证更新是否生效,文章还提供了一键脚本,直接执行即可
先备份原始源，再替换为阿里云源即可。
Ubuntu 26.04（Resolute Raccoon）默认已经使用 .sources 格式，而不是老的 sources.list。
1. 备份原配置
sudo cp /etc/apt/sources.list.d/ubuntu.sources /etc/apt/sources.list.d/ubuntu.sources.bak
2. 编辑镜像源
sudo vim /etc/apt/sources.list.d/ubuntu.sources
将内容替换为：
Types: deb URIs: https://mirrors.aliyun.com/ubuntu/ Suites: resolute resolute-updates resolute-backports Components: main restricted universe multiverse Signed-By: /usr/share/keyrings/ubuntu-archive-keyring.gpg Types: deb URIs: https://mirrors.aliyun.com/ubuntu/ Suites: resolute-security Components: main restricted universe multiverse Signed-By: /usr/share/keyrings/ubuntu-archive-keyring.gpg
3. 更新缓存
sudo apt update
4. 验证是否生效
apt policy
或者：
grep -E "mirrors.aliyun.com" /etc/apt/sources.list.d/ubuntu.sources
一键脚本（推荐）
直接执行：
sudo bash -c 'cat > /etc/apt/sources.list.d/ubuntu.sources <<EOF Types: deb URIs: https://mirrors.aliyun.com/ubuntu/ Suites: resolute resolute-updates resolute-backports Components: main restricted universe multiverse Signed-By: /usr/share/keyrings/ubuntu-archive-keyring.gpg Types: deb URIs: https://mirrors.aliyun.com/ubuntu/ Suites: resolute-security Components: main restricted universe multiverse Signed-By: /usr/share/keyrings/ubuntu-archive-keyring.gpg EOF' sudo apt update
总结
以上为个人经验，希望能给大家一个参考，也希望大家多多支持脚本之家。