CPAN Terminal> m NDBM_File    
 1 Memoize::NDBM_File                  0.65     MJD       
 2 NDBM_File                           1.07     NWCLARK   
CPAN Terminal> install 2                        

Installing NDBM_File (1.07)
[ERROR] The core Perl 5.010000 module 'NDBM_File' can only be upgraded from 0 to 1.07 by Perl itself (perl-5.8.9.tar.gz). Aborting install.

*** Install log written to:
  /root/.cpanplus/install-logs/NDBM_File-1.07-1239814025.log