macbook$ rvm gemset list_all
gemsets for ruby-1.9.2-p320 (found in /Users/macbook/.rvm/gems/ruby-1.9.2-p320)
global
gemsets for ruby-1.9.3-p194 (found in /Users/macbook/.rvm/gems/ruby-1.9.3-p194)
nice
global
macbook$ rvm use ruby-1.9.3-p194@nice
Using /Users/macbook/.rvm/gems/ruby-1.9.3-p194@nice with gemset global
macbook$ rails --version
Rails is not currently installed on this system. To get the latest version, simply type:
$ sudo gem install rails
You can then rerun your "rails" command.
macbook$ sudo gem install rails
1 gem successfully installed.
macbook$ rails --version
Rails is not currently installed on this system. To get the latest version, simply type:
$ sudo gem install rails
You can then rerun your "rails" command.
答案 0 :(得分:2)
macbook$ rvm use ruby-1.9.3-p194
Using /Users/macbook/.rvm/gems/ruby-1.9.3-p194
macbook$ rails --version
Rails 3.2.11