This is the exact error message
Hope this helps you to help me???
[root@it-ct04 John]# yum -y update
Loading "protectbase" plugin
Plugin "fastestmirror" uses deprecated constant TYPE_INTERFACE.
Please use TYPE_INTERACTIVE instead.
Loading "fastestmirror" plugin
/usr/lib/python2.4/site-packages/yum/plugins.py:380: DeprecationWarning: registerOpt() will go away in a future version of Yum.
Please manipulate config.YumConf and config.RepoConf directly.
DeprecationWarning)
Setting up Update Process
Setting up repositories
Could not retrieve mirrorlist
http://mirrorlist.centos.org/?releas...6&repo=updates error was
[Errno 4] IOError: <urlopen error (-3, 'Temporary failure in name resolution')>
http://mirror.centos.org/centos/5/up...ta/repomd.xml: [Errno 4] IOError: <urlopen error (-3, 'Temporary failure in name resolution')>
Trying other mirror.
Error: Cannot open/read repomd.xml file for repository: update