This returned

CPAN: Storable loaded ok (v2.18)

Going to read /root/.cpan/Metadata

Database was generated on Tue, 03 Jun 2014 17:53:02 GMT CPAN: YAML loaded ok (v0.90) Going to read /root/.cpan/build/ ............................................................................DONE

Found 74 old builds, restored the state of 74 Warning: Cannot install PDF.pm, don't know what it is.

Try the command i /PDF.pm/ to find objects with matching identifiers.

CPAN: Time::HiRes loaded ok (v1.9711)