[CentOS] yum problem

Tue Jan 27 07:43:31 UTC 2009
Mad Unix <madunix at gmail.com>

Hi all

Am trying to update my system Cento

root at king Tue Jan 27 ~ $ yum update
Loading "fastestmirror" plugin
Determining fastest mirrors
Could not retrieve mirrorlist
http://mirrorlist.centos.org/?release=5&arch=x86_64&repo=os error was
[Errno 4] IOError: <urlopen error (-3, 'Temporary failure in name resolution')>
Error: Cannot find a valid baseurl for repo: base

root at king Tue Jan 27 ~ $ uname -a
Linux king 2.6.18-92.1.10.el5 #1 SMP Tue Aug 5 07:42:41 EDT 2008
x86_64 x86_64 x86_64 GNU/Linux


Thanks