centos8执行yum install -y yum-utils出错

[root@sql mysql]# yum install -y yum-utils
CentOS-8 - AppStream                                                                                                                                         25  B/s |  38  B     00:01    
CentOS-8 - Base                                                                                                                                              82  B/s |  38  B     00:00    
Failed to synchronize cache for repo 'AppStream', ignoring this repo.
Failed to synchronize cache for repo 'BaseOS', ignoring this repo.
Last metadata expiration check: 2:21:17 ago on Sun 31 Mar 2024 10:00:37 PM CST.
No match for argument: yum-utils
Error: Unable to find a match

解决方法：

#进入配置文件目录
[root@sql mysql]# cd /etc/yum.repos.d/

#删除所有的.repo源文件
[root@sql yum.repos.d]# rm *.repo #
rm: remove regular file 'CentOS-AppStream.repo'? y
rm: remove regular file 'CentOS-Base.repo'? y
rm: remove regular file 'CentOS-centosplus.repo'? y
r