Rails安装发出错误

Question

我将其放入终端：

sudo gem install rails -V

我得到这个错误输出：

200 OK
GET http://rubygems.org/quick/Marshal.4.8/rack-1.4.2.gemspec.rz
302 Moved Temporarily
GET http://bb-m.rubygems.org/quick/Marshal.4.8/rack-1.4.2.gemspec.rz
200 OK
GET http://rubygems.org/quick/Marshal.4.8/rack-1.4.3.gemspec.rz
302 Moved Temporarily
GET http://rubygems.global.ssl.fastly.net/quick/Marshal.4.8/rack-1.4.3.gemspec.rz
200 OK
GET http://rubygems.org/quick/Marshal.4.8/rack-1.4.4.gemspec.rz
302 Moved Temporarily
GET http://rubygems.global.ssl.fastly.net/quick/Marshal.4.8/rack-1.4.4.gemspec.rz
200 OK
GET http://rubygems.org/quick/Marshal.4.8/rack-1.4.5.gemspec.rz
302 Moved Temporarily

……到了最后，它说不能安装滑轨。

Answer 1

更新：问题是我安装了Ruby 1.8.7。 我只是借助在Mac上不使用RVM卸载和升级Ruby的帮助而更新到v2.0.0。