細かい点は、他の方の blog に書かれているので、簡単な流れだけメモ。
perlbrew
$ curl -LO http://xrl.us/perlbrew
$ chmod +x perlbrew
$ ./perlbrew install
$ ~/perl5/perlbrew/bin/perlbrew init
$ perlbrew install perl-5.12.1 -D=DEBUGGING -D="optimize='-g -pipe -Os'" -D=usethreads -D=usemultiplicity -D=use64bitall
(See Also: Have Your Own Perl!)
$ perlbrew switch perl-5.12.1
cpanminus
$ git clone git://github.com/miyagawa/cpanminus.git
$ cd cpanminus
$ perl Makefile.PL
$ make install
cpan-outdated
$ cpanm App::cpanoutdated
$ cpan-outdated | xargs cpanm
Enjoy!