To install Plack::Middleware::Log::Contextual::Logger, simply copy and paste either of the commands in to your terminal

cpanm

                    cpanm Plack::Middleware::Log::Contextual::Logger

CPAN shell

                    perl -MCPAN -e shell
                    install Plack::Middleware::Log::Contextual::Logger

For more information on module installation please visit the detailed CPAN module installation guide.