PERL

From Indie IT Wiki

HOWTO: Install CPAN In Ubuntu

sudo -i
cpan
make install
install Bundle::CPAN

HOWTO: Install A Module In Ubuntu

sudo -i
cpan
install Module::Name

Thanks - http://www.sudobash.net/bash-how-to-install-perl-modules-through-cpan-on-ubuntu-2/

HOWTO: Install Geo::IP Module In Ubuntu

sudo aptitude install libgeoip-dev
cpan
install Geo::IP