ubuntu22更换阿里云源

ubuntu22更换阿里云源

ubuntu版本：22.04.1

备份原有的sources.list文件

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

编辑sources.list文件

sudo vim /etc/apt/sources.list
# 如果提示 vim: command not found 则需要先安装vim
# 使用命令：sudo apt-get install vim

删除原文件内的所有内容，添加下方内容 按 esc =》 按：（冒号）=》按wq回车保持并退推出编辑

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

更新软件包列表

sudo apt update

升级所有安装的包

sudo apt upgrade