Tue Mar 27 07:33:25 UTC 2012
Johnny Hughes <johnny at centos.org>

On 03/27/2012 02:10 AM, arun kumar wrote:
> yes i configured the yum.conf
> proxy=
> proxy_username=my_username
> proxy_password=my_password
>  but still the same problem
> here a squid proxy server is present so for initernet connection also i
> need to give my_username and my_password.....
> On Tue, Mar 27, 2012 at 11:42 AM, John R Pierce <pierce at hogranch.com> wrote:
>> On 03/26/12 11:05 PM, arun kumar wrote:
>>> I have centos 6.0 in my system and i want to update packages, so i tried
>>> the yum commands for checking and installing updates, but my proxy is
>>> objecting and i got the following error
>>> Loaded plugins: fastestmirror, refresh-packagekit
>>> Loading mirror speeds from cached hostfile
>>> Could not retrieve mirrorlist
>>> http://mirrorlist.centos.org/?release=6&arch=i386&repo=os  error was
>>> 14: PYCURL ERROR 22 - "The requested URL returned error: 407"
>>> Error: Cannot find a valid baseurl for repo: base
>>> i tried with the software update GUI in centos 6.0 but still the same
>> proxy
>>> problem....can any one please suggest how to overcome this problem and
>>> install updates for packages.
>> what is this "proxy"?  other than your use of the phrase 'proxy' a
>> couple times, I see no sign of a proxy there.
>> If your internet connection is such that you have to go through an
>> explicit http proxy, have you configured it in /etc/yum.conf as follows?
>> http://www.centos.org/docs/5/html/yum/sn-yum-proxy-server.html
>> --
>> john r pierce                            N 37, W 122
>> santa cruz ca                         mid-left coast
>> _______________________________________________
>> CentOS mailing list
>> CentOS at centos.org
>> http://lists.centos.org/mailman/listinfo/centos

If the proxy server requires a username and password, add these to the
URL. To include the username |yum-user| and the password |qwerty|, add
these settings:

|# The Web proxy server, with the username and password for this account
export http_proxy|

*Example 5. Profile Settings for a Secured Proxy Server*

[Note] 	The |http_proxy| Environment Variable

The |http_proxy| environment variable is also used by |curl| and other
utilities. Although |yum| itself may use |http_proxy| in either
upper-case or lower-case, |curl| requires the name of the variable to be
in lower-case.

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