Ruby on Rails 4インストール

MavericksOS X 10.9.2)へまだ入れてなかったのでメモ。
バージョンは4.0.3。

$ gem install rails
Fetching: i18n-0.6.9.gem (100%)
Fetching: tzinfo-0.3.38.gem (100%)
Fetching: minitest-4.7.5.gem (100%)
Fetching: activesupport-4.0.3.gem (100%)
Fetching: builder-3.1.4.gem (100%)
Fetching: rack-test-0.6.2.gem (100%)
Fetching: erubis-2.7.0.gem (100%)
Fetching: actionpack-4.0.3.gem (100%)
Fetching: activemodel-4.0.3.gem (100%)
Fetching: arel-4.0.2.gem (100%)
Fetching: activerecord-deprecated_finders-1.0.3.gem (100%)
Fetching: activerecord-4.0.3.gem (100%)
Fetching: mime-types-1.25.1.gem (100%)
Fetching: polyglot-0.3.4.gem (100%)
Fetching: treetop-1.4.15.gem (100%)
Fetching: mail-2.5.4.gem (100%)
Fetching: actionmailer-4.0.3.gem (100%)
Fetching: thor-0.18.1.gem (100%)
Fetching: railties-4.0.3.gem (100%)
Fetching: hike-1.2.3.gem (100%)
Fetching: tilt-1.4.1.gem (100%)
Fetching: sprockets-2.11.0.gem (100%)
Fetching: sprockets-rails-2.0.1.gem (100%)
Fetching: rails-4.0.3.gem (100%)
Successfully installed i18n-0.6.9
Successfully installed tzinfo-0.3.38
Successfully installed minitest-4.7.5
Successfully installed activesupport-4.0.3
Successfully installed builder-3.1.4
Successfully installed rack-test-0.6.2
Successfully installed erubis-2.7.0
Successfully installed actionpack-4.0.3
Successfully installed activemodel-4.0.3
Successfully installed arel-4.0.2
Successfully installed activerecord-deprecated_finders-1.0.3
Successfully installed activerecord-4.0.3
Successfully installed mime-types-1.25.1
Successfully installed polyglot-0.3.4
Successfully installed treetop-1.4.15
Successfully installed mail-2.5.4
Successfully installed actionmailer-4.0.3
Successfully installed thor-0.18.1
Successfully installed railties-4.0.3
Successfully installed hike-1.2.3
Successfully installed tilt-1.4.1
Successfully installed sprockets-2.11.0
Successfully installed sprockets-rails-2.0.1
Successfully installed rails-4.0.3
24 gems installed