yum install perl-CPAN cpan -i File::Spec::Functions cpan -i Hash::Merge cpan -i List::Util cpan -i MCE::Mutex cpan -i Module::Load::Conditional cpan -i Parallel::ForkManager cpan -i POSIX cpan -i Scalar::Util::Numeric cpan -i YAML cpan -i Math::Utils cpan -i File::HomeDir cpan -i threads