[CentOS] can NOT update CENTOS use YUM

[mcclnx mcc]

I have No problem to use following comma nd:

# wget -O - --progress=dot "http://mirrorlist.centos.org/?release=5&arch=i386&repo=os"
--08:55:27--  http://mirrorlist.centos.org/?release=5&arch=i386&repo=os
Resolving mirrorlist.centos.org... 204.15.73.243, 72.232.223.58
Connecting to mirrorlist.centos.org|204.15.73.243|:80... connected.
HTTP request sent, awaiting response... 200 OK
Length: unspecified [text/plain]
Saving to: `STDOUT'
http://pubmirrors.reflected.net/centos/5.3/os/i386/
http://updates.interworx.info/centos/5.3/os/i386/
http://mirrors.cat.pdx.edu/centos/5.3/os/i386/
http://mirror.cs.vt.edu/pub/CentOS/5.3/os/i386/
http://mirrors.kernel.org/centos/5.3/os/i386/
http://mirrors.cmich.edu/centos/5.3/os/i386/
http://mirror.clarkson.edu/centos/5.3/os/i386/
http://mirror.nuvio.com/pub/centos/5.3/os/i386/
http://mirror.newnanutilities.org/pub/centos/5.3/os/i386/
http://mirror.linux.duke.edu/pub/centos/5.3/os/i386/

     0K                                                        59.6M=0s

08:55:27 (59.6 MB/s) - `-' saved [494]


--- 09/8/9 (日)，John R Pierce <pierce at hogranch.com> 寫道：

> 寄件者: John R Pierce <pierce at hogranch.com>
> 主旨: Re: [CentOS] can NOT update CENTOS use YUM
> 收件者: "CentOS mailing list" <centos at centos.org>
> 日期: 2009年8月9日,日,下午5:36
> mcclnx mcc wrote:
> > Could not retrieve mirrorlist http://mirrorlist.centos.org/?release=5&arch=i386&repo=os
> >   
> >> error was
> >>     
> >>> [Errno 4] IOError: <urlopen error (111,
> 'Connection refused')>
> >>>       
> >>> Error: Cannot find a valid baseurl for repo:
> base
> >>>       
> 
> that error seems to indicate you can't read that URL.
> 
> at a shell prompt, try...
> 
> $ wget -O - --progress=dot 
> "http://mirrorlist.centos.org/?release=5&arch=i386&repo=os"
> --14:35:00--  http://mirrorlist.centos.org/?release=5&arch=i386&repo=os
> Resolving mirrorlist.centos.org... 204.15.73.243,
> 72.232.223.58
> Connecting to mirrorlist.centos.org|204.15.73.243|:80...
> connected.
> HTTP request sent, awaiting response... 200 OK
> Length: unspecified [text/plain]
> Saving to: `STDOUT'
> http://pubmirrors.reflected.net/centos/5.3/os/i386/
> http://updates.interworx.info/centos/5.3/os/i386/
> http://mirrors.cat.pdx.edu/centos/5.3/os/i386/
> http://mirror.cs.vt.edu/pub/CentOS/5.3/os/i386/
> http://mirrors.kernel.org/centos/5.3/os/i386/
> http://mirrors.cmich.edu/centos/5.3/os/i386/
> http://mirror.clarkson.edu/centos/5.3/os/i386/
> http://mirror.nuvio.com/pub/centos/5.3/os/i386/
> http://mirror.newnanutilities.org/pub/centos/5.3/os/i386/
> http://mirror.linux.duke.edu/pub/centos/5.3/os/i386/
> 
>      0K       
>                
>                
>                
> 21.8M=0s
> 
> 14:35:00 (21.8 MB/s) - `-' saved [494]
> 
> as you are in .tw, likely you'd get a different set of URLs
> back.
> 
> if you get errors, debug that.
> _______________________________________________
> CentOS mailing list
> CentOS at centos.org
> http://lists.centos.org/mailman/listinfo/centos
> 

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