1、备份原本的Ubuntu22.04系统的软件源文件

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

2、删除原本的Ubuntu22.04系统软件源

sudo vim /etc/apt/sources.list

或者

sudo gedit /etc/apt/sources.list

3、添加软件源

清华源

# 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 https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ jammy main restricted universe multiverse# deb-src https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ jammy main restricted universe multiversedeb https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ jammy-updates main restricted universe multiverse# deb-src https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ jammy-updates main restricted universe multiversedeb https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ jammy-backports main restricted universe multiverse# deb-src https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ jammy-backports main restricted universe multiversedeb https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ jammy-security main restricted universe multiverse# deb-src https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ jammy-security main restricted universe multiverse# 预发布软件源，不建议启用# deb https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ jammy-proposed main restricted universe multiverse# deb-src https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ jammy-proposed main restricted universe multiverse

阿里源

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

中科大源

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

网易源

deb http://mirrors.163.com/ubuntu/ jammy main restricted universe multiversedeb http://mirrors.163.com/ubuntu/ jammy-security main restricted universe multiversedeb http://mirrors.163.com/ubuntu/ jammy-updates main restricted universe multiversedeb http://mirrors.163.com/ubuntu/ jammy-proposed main restricted universe multiversedeb http://mirrors.163.com/ubuntu/ jammy-backports main restricted universe multiversedeb-src http://mirrors.163.com/ubuntu/ jammy main restricted universe multiversedeb-src http://mirrors.163.com/ubuntu/ jammy-security main restricted universe multiversedeb-src http://mirrors.163.com/ubuntu/ jammy-updates main restricted universe multiversedeb-src http://mirrors.163.com/ubuntu/ jammy-proposed main restricted universe multiversedeb-src http://mirrors.163.com/ubuntu/ jammy-backports main restricted universe multiverse

更换成阿里源的图如下所示：

4、更新源和软件

#更新获取软件源提供的软件列表sudo apt-get update#更新软件sudo apt-get -y upgrade