pni
$ pni --help
It is a Mojo::Command pointing to the "PNI::Command" namespace.
$ pni daemon
To install PNI, copy and paste the appropriate command in to your terminal.
cpanm
cpanm PNI
CPAN shell
perl -MCPAN -e shell install PNI
For more information on module installation, please visit the detailed CPAN module installation guide.