If you’re seeing something along these lines:
root@server [~]# yum update file Loaded plugins:fastestmirror Loading mirror speeds from cached hostfile * base:mirrors.serveraxis.net * updates:yum.singlehop.com * addons:centos.cs.wisc.edu * extras:centos.cs.wisc.edu base | 1.1 kB 00:00 updates | 951 B 00:00 addons | 951 B 00:00 extras | 1.1 kB 00:00 Excluding Packages [...]