To install Gentoo::Perl::Distmap::FromOverlay, simply copy and paste either of the commands in to your terminal
cpanm
cpanm Gentoo::Perl::Distmap::FromOverlay
CPAN shell
perl -MCPAN -e shell
install Gentoo::Perl::Distmap::FromOverlay
For more information on module installation please visit the detailed CPAN module installation guide.