Ubuntu系统apt换国内源

1、备份 list 文件
为了防止下面哪一步出错,需要提前备份一下 list 文件,以防万一:
bash
sudo cp /etc/apt/sources.list /etc/apt/sources.list.bak
2、修改 list 文件
bash
sudo vim /etc/apt/sources.list
3、各种国内软件源
阿里:
bash
deb http://mirrors.aliyun.com/ubuntu/ jammy main restricted universe multiverse
deb http://mirrors.aliyun.com/ubuntu/ jammy-security main restricted universe multiverse
deb http://mirrors.aliyun.com/ubuntu/ jammy-updates main restricted universe multiverse
deb http://mirrors.aliyun.com/ubuntu/ jammy-proposed main restricted universe multiverse
deb http://mirrors.aliyun.com/ubuntu/ jammy-backports main restricted universe multiverse
4.更新源
bash
sudo apt update