Ubuntu 22.04换国内源 清华源 阿里源 中科大源 163源

Ubuntu 22.04 LTS (Jammy Jellyfish) 的稳定版已经于 2022-04-21 日发布,代号：Jammy Jellyfish,默认内核版本 LTS kernel v5.15,是 Ubuntu 的第 9 个 LTS 版本，维护更新将提供 5 年，直到2027 年 4 月，Ubuntu官网下载地址：https://ubuntu.com/download/。

如果你想在备用机器或虚拟机上测试它，你可以从 Ubuntu 的网站下载Ubuntu 22.04 每日构建版。
下载 Ubuntu 22.04 每日构建（不稳定）https://cdimage.ubuntu.com/daily-live/current/

国内有很多Ubuntu的镜像源，有阿里的、网易的，教育网的比如：清华源、中科大源。

这里以网易163源为例看一下如何修改Ubuntu 22.04的默认源。

第一步：备份源文件：
sudo cp /etc/apt/sources.list /etc/apt/sources.list.backup

第二步：编辑 /etc/apt/sources.list 文件

在文件最前面添加以下条目(操作前请做好相应备份)：
vi /etc/apt/sources.list

网易163源

# 默认注释了源码镜像以提高 apt update 速度，如有需要可自行取消注释
deb http://mirrors.163.com/ubuntu/ jammy main restricted universe multiverse
deb http://mirrors.163.com/ubuntu/ jammy-security main restricted universe multiverse
deb http://mirrors.163.com/ubuntu/ jammy-updates main restricted universe multiverse
deb http://mirrors.163.com/ubuntu/ jammy-backports main restricted universe multiverse
# deb-src http://mirrors.163.com/ubuntu/ jammy main restricted universe multiverse
# deb-src http://mirrors.163.com/ubuntu/ jammy-security main restricted universe multiverse
# deb-src http://mirrors.163.com/ubuntu/ jammy-updates main restricted universe multiverse
# deb-src http://mirrors.163.com/ubuntu/ jammy-backports main restricted universe multiverse
# 预发布软件源，不建议启用
deb-src http://mirrors.163.com/ubuntu/ jammy-proposed main restricted universe multiverse
deb-src http://mirrors.163.com/ubuntu/ jammy-backports main restricted universe multiverse

第三步：执行更新命令：

sudo apt-get update
sudo apt-get upgrade

常用国内源：

阿里云源

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

清华源

deb https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ jammy main restricted universe multiverse
deb https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ jammy-updates main restricted universe multiverse
deb https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ jammy-backports main restricted universe multiverse
deb https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ jammy-security main restricted universe multiverse
deb https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ jammy-proposed main restricted universe multiverse
deb-src https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ jammy main restricted universe multiverse
deb-src https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ jammy-updates main restricted universe multiverse
deb-src https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ jammy-backports main restricted universe multiverse
deb-src https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ jammy-security main restricted universe multiverse
deb-src https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ jammy-proposed main restricted universe multiverse

中科大源

deb https://mirrors.ustc.edu.cn/ubuntu/ jammy main restricted universe multiverse
deb-src https://mirrors.ustc.edu.cn/ubuntu/ jammy main restricted universe multiverse
deb https://mirrors.ustc.edu.cn/ubuntu/ jammy-updates main restricted universe multiverse
deb-src https://mirrors.ustc.edu.cn/ubuntu/ jammy-updates main restricted universe multiverse
deb https://mirrors.ustc.edu.cn/ubuntu/ jammy-backports main restricted universe multiverse
deb-src https://mirrors.ustc.edu.cn/ubuntu/ jammy-backports main restricted universe multiverse
deb https://mirrors.ustc.edu.cn/ubuntu/ jammy-security main restricted universe multiverse
deb-src https://mirrors.ustc.edu.cn/ubuntu/ jammy-security main restricted universe multiverse
deb https://mirrors.ustc.edu.cn/ubuntu/ jammy-proposed main restricted universe multiverse
deb-src https://mirrors.ustc.edu.cn/ubuntu/ jammy-proposed main restricted universe multiverse

done!