Hi Dermot,
in my development machine I have a Perl environment installed in my home
dir with perlbrew. That way I can install anything I need without
disturbing (or using) the system perl. Later, when doing a deployment to
the production environment, I deploy my app and my full perlbrew
environment, directly copied from the development machine.
When deploying new versions in the production environment, I simply
rename the current version ($HOME/MyApp directory) to MyApp.pre20110930
(date; for example), and I do the same (if needed) to the perl
production environment (rename $HOME/perl5 to $HOME/perl5.pre20110930).
In this way I have a history of all my deployments (and most important:
the previous one). If there's the slightest problem with the new
deployment I can switch to the previous version in a matter of seconds.
Given the size of today's hard disks, it's no problem to have all these
files laying around, and it's saved my life (professional life, that is)
sometimes.
Regards
J.
El 30/09/11 16:39, Dermot escribió:
Hi,
I have got a new server that I want to put into production. To comply
with the manufacturer, I have installed RedHat 6.1 on it. Up till now
we have used Debian based machines and have been using the system
perl. That worked ok because all the necessay libperl*.deb could be
installed via the package manager. That's not an option with yum. I
know using the system perl is frowned upon by some so I'd like to do
the right thing before the server is deployed. AFAIK, there are two
options; 1) install a perl from source into somewhere like /usr/local
and set-up the environment so that's the perl that's used or 2) use
the system perl (5.10.1) and local::lib. I'm sure there are others
with my hardware set-up and I'd be interested in hearing what
approached they've taken. Similarly if there are other options to
consider or there are strong reasons for using one approach over an
other, I'd appreciate hearing them.
Thanks,
Dermot.
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