cpan[16]> o conf init urllist
You have no /root/.cpan/sources/MIRRORED.BY
  I'm trying to fetch one
Warning: no success downloading '/root/.cpan/sources/MIRRORED.BY.tmp12780'. Giving up on it. at /usr/lib/perl5/5.8.8/CPAN/FTP.pm line 837
        CPAN::FTP::hostdlhard('CPAN::FTP', 'ARRAY(0x898d348)', 'MIRRORED.BY', '/root/.cpan/sources/MIRRORED.BY.tmp12780', 'HASH(0x8b750e8)') called at /usr/lib/perl5/5.8.8/CPAN/FTP.pm line 515
        CPAN::FTP::hostdlxxx('CPAN::FTP', 'dlhard', 'undef', 'ARRAY(0x898d348)', 'MIRRORED.BY', '/root/.cpan/sources/MIRRORED.BY.tmp12780', 'HASH(0x8b750e8)') called at /usr/lib/perl5/5.8.8/CPAN/FTP.pm line 442
        CPAN::FTP::localize('CPAN::FTP', 'MIRRORED.BY', '/root/.cpan/sources/MIRRORED.BY', 3) called at /usr/lib/perl5/5.8.8/CPAN/FirstTime.pm line 1424
        CPAN::FirstTime::conf_sites() called at /usr/lib/perl5/5.8.8/CPAN/FirstTime.pm line 1151
        CPAN::FirstTime::init('/usr/lib/perl5/5.8.8/CPAN/Config.pm', 'args', 'ARRAY(0x868dc54)') called at /usr/lib/perl5/5.8.8/CPAN/HandleConfig.pm line 577
        CPAN::HandleConfig::load('CPAN::HandleConfig', 'doit', 1, 'args', 'ARRAY(0x868dc54)') called at /usr/lib/perl5/5.8.8/CPAN/HandleConfig.pm line 440
        CPAN::HandleConfig::init('CPAN::HandleConfig', 'args', 'ARRAY(0x868dc54)') called at /usr/lib/perl5/5.8.8/CPAN/HandleConfig.pm line 126
        CPAN::HandleConfig::edit('CPAN::HandleConfig', 'init', 'urllist') called at /usr/lib/perl5/5.8.8/CPAN/Shell.pm line 393
        CPAN::Shell::o('CPAN::Shell', 'conf', 'init', 'urllist') called at /usr/lib/perl5/5.8.8/CPAN.pm line 375
        eval {...} called at /usr/lib/perl5/5.8.8/CPAN.pm line 372
        CPAN::shell() called at /usr/bin/cpan line 198
Client not fully configured, please proceed with configuring.

You have not configured a urllist for CPAN mirrors. Configure it with

    o conf init urllist