Ok, i figured out the issue , Did some google on it and found this useful link on usage of proxy.

http://www.cyberciti.biz/faq/linux-unix-set-proxy-environment-variable/

Thanks Kwan , Thanks kwan for questioning me on the proxy usage.

Thanks Jatin

On 4/2/2010 10:51 AM, Jatin Davey wrote:

Hi Kwan

I executed the following on the host that was having problem:

[root@localhost yum.repos.d]# wget http://www.google.com --22:14:25-- http://www.google.com/ Resolving www.google.com... 74.125.19.105, 74.125.19.99, 74.125.19.106, ... Connecting to www.google.com|74.125.19.105|:80... failed: Connection timed out. Connecting to www.google.com|74.125.19.99|:80... failed: Connection timed out.

Which shows that i am not getting connected to the internet.

Now coming to the second point on whether i am using a proxy or not ? , I really dont know whether i am using a proxy or not. When i used a similar CentOS box on which i was successful in connecting to the internet i issues the same command as mentioned above and it got connected and downloaded the web file.

How do i find whether i have proxy configured on the host that is connecting to the internet ? If you can guide me through this then i can replicate the configuration from the above host to the hosts that are not getting connected to the internet.

Thanks Jatin

On 4/2/2010 10:28 AM, Kwan Lowe wrote:

...

On Thu, Apr 1, 2010 at 11:38 PM, Jatin Daveyjashokda@cisco.com wrote:

...

Hi

I wanted to download and install the net-snmp package. Usually on my other CentOS boxes i use the following command to do it:

yum install net-snmp

I was able to successfully install net-snmp on 4 of my CentOS boxes but not on one of them. It reports me the following error message:

[root@localhost yum.repos.d]# yum install net-snmp Loaded plugins: fastestmirror Determining fastest mirrors Could not retrieve mirrorlist http://mirrorlist.centos.org/?release=5&arch=i386&repo=os error was [Errno 4] IOError:<urlopen error (110, 'Connection timed out')> Error: Cannot find a valid baseurl for repo: base

Can you access the internet from that machine? Do you require a proxy to connect? _______________________________________________ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos

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Thanks Cornel.

Thanks Jatin

On 4/2/2010 11:22 AM, cornel panceac wrote:

2010/4/2 Jatin Davey <jashokda@cisco.com mailto:jashokda@cisco.com>

Ok, i  figured out the issue , Did some google on it and found this
useful link on usage of proxy.

http://www.cyberciti.biz/faq/linux-unix-set-proxy-environment-variable/

or even better:

http://www.centos.org/docs/5/html/yum/sn-yum-proxy-server.html

-- Among the maxims on Lord Naoshige's wall, there was this one: "Matters of great concern should be treated lightly." Master Ittei commented, "Matters of small concern should be treated seriously." (Ghost Dog : The Way of The Samurai)

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