[CentOS] yum list updates error

[Manish Kathuria]

On Sat, Oct 16, 2010 at 12:21 PM, Ritika Garg <ritikagarg25 at gmail.com> wrote:
> Before doing "yum update" on system which has CentOS5.3, I gave "yum list
> updates" but the following message comes:
> Loaded plugins: fastestmirror
> 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 (110, 'Connection timed out')>
> Error: Cannot find a valid baseurl for repo: base
>
>

Check whether the system has internet connectivity, verify if the
nameservers have been listed in /etc/resolv.conf and if the system
connects to the net through a proxy server, specify proxy settings in
/etc/yum.conf. These could be the basic reasons for this error to
appear.

--
Manish Kathuria