今天新安装一台CentOS，进行yum安装时出现以下问题提示

 

perl-5.16.3-294.el7_6.x86_64.r FAILED                                         
http://mirror.vodien.com/centos/7.6.1810/updates/x86_64/Packages/perl-5.16.3-294.el7_6.x86_64.rpm: [Errno 12] Timeout on http://mirror.vodien.com/centos/7.6.1810/updates/x86_64/Packages/perl-5.16.3-294.el7_6.x86_64.rpm: (28, 'Operation too slow. Less than 1000 bytes/sec transferred the last 30 seconds')
Trying other mirror.
perl-5.16.3-294.el7_6.x86_64.r FAILED       

解决办法：

[root@localhost ~]# yum clean all

[root@localhost ~]# yum makecashe