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From Mike - EMAIL IGNORED <m_d_berger_1...@yahoo.com>
Subject [users@httpd] Re: sending .jpg on another box
Date Mon, 02 Oct 2006 23:51:21 GMT
On Mon, 02 Oct 2006 18:35:03 +0200, Josiane BERNILLON wrote:

> Mike - EMAIL IGNORED a écrit :
>> I have two boxes on my intranet each running
>> Apache 2.0 under FC4.  My Linksys firewall directs
>> port 80 to BoxA.  Both boxes are also running
>> iptables, including libipq.
>>
>> BoxA has my html tree. I have a number of .jpg
>> files, some as large as 10 meg.  The various
>> directories containing the .html files contain
>> soft links to the directories, in another tree
>> containing, the .jpg files.
>>
>> All this is operated by a complex CGI, written in
>> C++.  Most of the .html files the client sees are
>> generated by this CGI.
>>
>> I would like to move the .jpg tree to BoxB,
>> transparent to the client. In broad terms, how
>> should I do this?  What should I read to get the
>> particulars?
>>
>> Thanks for your help.
>>
>> Mike.
>>
>>
>>
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>>   
> Maybe one way to this :
> 
> - let's say jour .jpg files are in /../......./imgs/ on BoxA
> on BoxB:
> - create a /../.../imgs2/ on BoxB
> - copy your .jpg into .../img2/
> - start an NFS server on BoxB (I don't work on FC4, but if you don't 
> know anytaing about NFS, you can  look here 
> <http://www.vanemery.com/Linux/NFSv4/NFSv4-no-rpcsec.html>
> - share .../img2/ for BoxA
> 
> on BoxA
> - create a .../.../imgs3
> - mount .../img2/ on ..../img3/
> - change your soft links in the html tree to .../img3/
> 
> No problem for users.
> 
> If they could wait some minutes, and if you have some BACKUP of your .jpg
> on BoxA
> - remove all .jpg from .../imgs/...
> - mount .../img2/ on /imgs/
> then you don't need to change soft links.
> 
> jobern
> 
[...]

This looks like a good possibility.  It also appears
from Apache documentation that ProxyPassReverse under
virtual host might be able to accomplish what I need.
Is this true?  If so, how do the two methods compare
with regard to efficiency and security?

Thanks,
Mike.



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