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Transferring CPAN "installs" to another machine

Subject: Transferring CPAN "installs" to another machine
From: Jean-Denis Muys
Date: Tue, 07 Apr 2009 17:46:44 +0200
Newsgroups: perl.cpan.discuss

Hi,

I am quite a newbie with Perl and CPAN, so please bear with me.

I have been developping a custom application in Perl for a few weeks for a
customer. The customer's machine will not have internet access. My code uses
a few CPAN modules that will not be on the customer's machine.

Therefore I need to deliver both my code and the said CPAN modules, and I'm
not quite sure how I can do that.

My internet search uncovered a few hits which describe how to manually
install without internet access, but it's not quite what I need.

This is because target machine is very bare bone and lacks a number of
tools, including for example a C compiler. So delivering the full set of
building tools is really heavy handed.

My idea was to deliver only the built libraries and required binaries.

The good news is I have a "clone" of the target machine on a virtual
machine, which I can connect to the internet. So I can install and build
everything on that virtual machine, and then copy all the new binaries back
to the actual target machine (using a CD-ROM or a USB thumb drive).

With that in mind, here are my questions:

1) will it be enough to copy all new files in the CPAN installation
directorie(s)?
2) how can I find where CPAN installs its modules? Is it correct to use the
directories stored in the @INC variable?

In my specific case, the target machine is a vanilla CentOS 5.2 Linux
install.

The modules I use include DBI with SQLite3 access, Moose, Log::Log4perl,
File::Path, File::Copy, File::Basename, Text::Iconv with perhaps a few more
coming later.

I hope this is the correct list to ask such questions.

Many thanks for any suggestion.

Jean-Denis


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