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The purpose of installing a perl module with apt-get instead of cpan

When loading essentials into crouton apt-get, it is recommended that you install libtemplate-perl . It seemed like a fun idea, and I obeyed.

Reading this answer , I see that the traveler-traveler installs Plack and Starman through CPAN, but then use apt-get to install Dancer .

The minutes before reading the answer, I installed Dancer via CPAN. And it worked. It worked very well!

What happens differently when I install a CPAN package through a package manager other than CPAN? Are there any pitfalls that I should be wary of because my libtemplate-perl came from apt-get, or did my dancer come from CPAN?

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On Debian and Ubuntu, CPAN (utility /usr/bin/cpan) installs modules by default /usr/local/lib/. And debian packages store their files in /usr/share/perl5/and /usr/lib/perl5/.

You can also manually package any cpan distribution not available in your apt repositories. Easy with the dh-make-perl tool :

dh-make-perl --cpan Some::Module && cd Some-Module* && sudo debi

Also check out local :: lib and perlbrew .

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apt-get -

  • ,

  • , apt-get,

  • there are certain versions of packages checked for compatibility

disadvantages

  • not necessarily the latest version of packages

  • not all packages are available

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Installing apt-get is usually simpler and better than cpan due to dependencies.

If you are so lucky that you need SOAP :: Lite, for example, there are many dozens of dependencies and a single-line "apt-get install libsoap-lite-perl".

It is sometimes unclear how the Perl CPAN names are mapped to the package names of their repository, but the cap search is your friend.

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Source: https://habr.com/ru/post/1548289/

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