[root@server ~]# yum update
Loading "installonlyn" plugin
Setting up Update Process
Setting up repositories
Reading repository metadata in from local files
4cf50375138484fc045b3c087 100% |=========================|  81 kB    00:00
http://download.lxcenter.org/download/update/centos-5/i386/repodata/4cf50375138484fc045b3c087d868                  c743cdfb01a-primary.xml.gz: [Errno -3] Error performing checksum
Trying other mirror.
Error: failure: repodata/4cf50375138484fc045b3c087d868c743cdfb01a-primary.xml.gz from lxcenter-up                  dates: [Errno 256] No more mirrors to try.
[root@server ~]#