Lendy Journalized

1、首先备份现有原文件：
sudo rpm –import https://repo.almalinux.org/almalinux/RPM-GPG-KEY-AlmaLinux-9

2、创建新的源文件：
sudo vi /etc/yum.repos.d/almalinux.repo

3、写入以下内容
[baseos]
name=AlmaLinux 9.5 – BaseOS – mirrors.aliyun.com
baseurl=https://mirrors.aliyun.com/almalinux/9.5/BaseOS/$basearch/os/
enabled=1
gpgcheck=1
gpgkey=https://mirrors.aliyun.com/almalinux/RPM-GPG-KEY-AlmaLinux-9

[appstream]
name=AlmaLinux 9.5 – AppStream – mirrors.aliyun.com
baseurl=https://mirrors.aliyun.com/almalinux/9.5/AppStream/$basearch/os/
enabled=1
gpgcheck=1
gpgkey=https://mirrors.aliyun.com/almalinux/RPM-GPG-KEY-AlmaLinux-9

[extras]
name=AlmaLinux 9.5 – Extras – mirrors.aliyun.com
baseurl=https://mirrors.aliyun.com/almalinux/9.5/extras/$basearch/os/
enabled=1
gpgcheck=1
gpgkey=https://mirrors.aliyun.com/almalinux/RPM-GPG-KEY-AlmaLinux-9

4、导入GPG密钥：
sudo rpm –import https://mirrors.aliyun.com/almalinux/RPM-GPG-KEY-AlmaLinux-9

5、清理所有缓存：
sudo yum clean all

6、生成新的缓存：
sudo yum makecache

7、更新系统：
sudo yum update

原文链接：https://blog.csdn.net/wodexiaocui/article/details/144205132