To install POE::Component::Server::HTTP::KeepAlive, copy and paste the appropriate command in to your terminal.
cpanm
cpanm POE::Component::Server::HTTP::KeepAlive
CPAN shell
perl -MCPAN -e shell install POE::Component::Server::HTTP::KeepAlive
For more information on module installation, please visit the detailed CPAN module installation guide.