●CPAN
cpan> o conf urllist
urllist
ftp://ftp.jaist.ac.jp/pub/CPAN/
Type 'o conf' to view configuration edit options
cpan> o conf
cpan> o conf urllist pop ftp://ftp.jaist.ac.jp/pub/CPAN/
cpan> o conf commit
cpan> o conf
cpan> o conf urllist push ftp://ftp.ring.gr.jp/pub/lang/perl/CPAN/
cpan> o conf commit
install Jcode