To install Plack::Middleware::DBIx::DisconnectAll, copy and paste the appropriate command in to your terminal.
cpanm
cpanm Plack::Middleware::DBIx::DisconnectAll
CPAN shell
perl -MCPAN -e shell
install Plack::Middleware::DBIx::DisconnectAll
For more information on module installation, please visit the detailed CPAN module installation guide.