$ perlbrew self-upgrade #### perlbrew install-ack perlbrew install-cpanm perlbrew install-patchperl perlbrew init #### source "/home/user/perl5/perlbrew/etc/bashrc" #### $ perlbrew install 5.16.3 $ perlbrew switch perl-5.16.3 $ perlbrew lib create devel $ perlbrew switch perl-5.16.3@devel $ perlbrew lib list # prints perl-5.16.3@devel $ perlbrew list # prints perl perl-5.16.3, and perl-5.16.3@devel $ cpanm Archive::Any # worked without a problem