To install Catalyst::Plugin::Session::Store::BerkeleyDB, copy and paste the appropriate command in to your terminal.
cpanm
cpanm Catalyst::Plugin::Session::Store::BerkeleyDB
CPAN shell
perl -MCPAN -e shell
install Catalyst::Plugin::Session::Store::BerkeleyDB
For more information on module installation, please visit the detailed CPAN module installation guide.