# Pastebin uVlXdos0
--- ~ » rdoc-data
Usage: /home/bb010g/.rbenv/versions/rbx-2.5.4/bin/rdoc-data [--verbose] [--dryrun] --install

Installs updated ruby 2.1.0 system ri data (core + stdlib)
--- ~ » rdoc-data --install                                                                                                                                                                      1 ↵
Your ruby version 2.1.0 is not supported, only 1.8.7, 1.9.2, 1.9.3, 2.0.0