Gemset:该系统上当前未安装Rails. [英] Gemset: Rails is not currently installed on this system.

问题描述

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.

推荐答案

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

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