成功安裝后，為什么mysql沒有顯示在gem列表下？

Question

這是交易：
$ gem -v

1.3.7  

$ gem env

RubyGems Environment:
  - RUBYGEMS VERSION: 1.3.7
  - RUBY VERSION: 1.9.2 (2010-08-18 patchlevel 0) [x86_64-darwin10.4.0]
  - INSTALLATION DIRECTORY: /Users/harriett/.rvm/gems/ruby-1.9.2-p0@rails3tutorial
  - RUBY EXECUTABLE: /Users/harriett/.rvm/rubies/ruby-1.9.2-p0/bin/ruby
  - EXECUTABLE DIRECTORY: /Users/harriett/.rvm/gems/ruby-1.9.2-p0@rails3tutorial/bin
  - RUBYGEMS PLATFORMS:
    - ruby
    - x86_64-darwin-10
  - GEM PATHS:
     - /Users/harriett/.rvm/gems/ruby-1.9.2-p0@rails3tutorial
     - /Users/harriett/.rvm/gems/ruby-1.9.2-p0@global
  - GEM CONFIGURATION:
     - :update_sources => true
     - :verbose => true
     - :benchmark => false
     - :backtrace => false
     - :bulk_threshold => 1000
  - REMOTE SOURCES:
     - http://rubygems.org/

$ sudo env ARCHFLAGS =“ - arch i386”gem install mysql - --with-mysql-config = / Applications / MAMP / Library / bin / mysql_config

Building native extensions.  This could take a while...  
Successfully installed mysql-2.8.1  
1 gem installed  

$ gem list mysql

* LOCAL GEMS *  

為什么不顯示？
當然，當我在ruby程序中需要“mysql”時，我得到：

`require': no such file to load -- mysql (LoadError)  

Answer 1

您的Ruby安裝由RVM管理。 請參閱RVM站點上的“ 請勿使用sudo ... ”。

嘗試在沒有 sudo 情況下安裝它，它應該出現在你的gemlist中。