On Wed, Sep 8, 2010 at 5:16 PM, Eero Volotinen <eero.volotinen@iki.fi> wrote:

2010/9/8 casey roberts <caseyir@gmail.com>:

> Good morning all, I ran an 'yum update' and have been receiving the
> following errors:
>
> Loaded plugins: fastestmirror
> Determining fastest mirrors
> Could not retrieve mirrorlist
> http://mirrorlist.centos.org/?release=5&arch=x86_64&repo=addons error was
> [Errno 4] IOError: <urlopen error (-3, 'Temporary failure in name
> resolution')>
> 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')>
> Could not retrieve mirrorlist
> http://mirrorlist.centos.org/?release=5&arch=x86_64&repo=extras error was
> [Errno 4] IOError: <urlopen error (-3, 'Temporary failure in name
> resolution')>
> Could not retrieve mirrorlist
> http://mirrorlist.centos.org/?release=5&arch=x86_64&repo=updates error was
> [Errno 4] IOError: <urlopen error (-3, 'Temporary failure in name
> resolution')>

is your dns working correctly? what is ouput from command : host
mirrorlist.centos.org on that machine?

--
Eero,
RHCE
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