Ubuntu24.04换源方法（新版源更换方式）

一、源文件位置

Ubuntu24.04的源地址配置文件发生改变，不再使用以前的sources.list文件，而是如下文件:

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

二、开始换源

1. 备份源配置文件

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

2. 编辑源配置文件

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

3. 添加清华源配置

注释掉原来的

Types: deb
URIs: http://mirrors.tuna.tsinghua.edu.cn/ubuntu/
Suites: noble noble-updates noble-security
Components: main restricted universe multiverse
Signed-By: /usr/share/keyrings/ubuntu-archive-keyring.gpg

4. 更新

# 更新本地的包索引数据库
sudo apt-get update
# 升级系统中已安装的软件包到最新版本
sudo apt-get upgrade

# 中科大源

Types: deb
URIs: http://mirrors.ustc.edu.cn/ubuntu/
Suites: noble noble-updates noble-security
Components: main restricted universe multiverse
Signed-By: /usr/share/keyrings/ubuntu-archive-keyring.gpg

# 阿里源

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

# 网易源 

Types: deb
URIs: http://mirrors.163.com/ubuntu/
Suites: noble noble-updates noble-security
Components: main restricted universe multiverse
Signed-By: /usr/share/keyrings/ubuntu-archive-keyring.gpg