Centos的YUM安装库时遇到的小问题

[root@localhost yum.repos.d]# yum groupinstall -y "Desktop"

Failed to set locale, defaulting to C

Loaded plugins: fastestmirror

Repository base is listed more than once in the configuration

Repository updates is listed more than once in the configuration

Repository extras is listed more than once in the configuration

Repository epel is listed more than once in the configuration

Loading mirror speeds from cached hostfile

 * base: mirrors.cloud.aliyuncs.com

 * epel: mirrors.cloud.aliyuncs.com

 * extras: mirrors.cloud.aliyuncs.com

 * updates: mirrors.cloud.aliyuncs.com

Warning: Group basic-desktop does not have any packages to install.

Maybe run: yum groups mark install (see man yum)

No packages in any requested group available to install or update

使用清空命令

#yum clean all

然后继续安装就可以了