我很难找到有关如何安装 gem mysql2-0.3.13 并为 ruby on rails 应用程序启动并运行它的良好说明。任何人都可以分解这个过程吗?当我尝试安装 gem 时,出现此错误:
我正在使用 rails 3.2.13 and ruby 1.9.3 and mac OSX
Fetching gem metadata from https://rubygems.org/.........
Fetching gem metadata from https://rubygems.org/..
/Users/sumitkalra1984/.rvm/gems/ruby-1.9.3-p448@global/gems/bundler-1.3.5/lib/bundler.rb:284: warning: Insecure world writable dir /usr/local/bin in PATH, mode 040777
Using rake (10.1.0)
Using i18n (0.6.5)
Using minitest (4.7.5)
Using multi_json (1.7.9)
Using atomic (1.1.13)
Using thread_safe (0.1.2)
Using tzinfo (0.3.37)
Using activesupport (4.0.0)
Using builder (3.1.4)
Using erubis (2.7.0)
Using rack (1.5.2)
Using rack-test (0.6.2)
Using actionpack (4.0.0)
Using mime-types (1.24)
Using polyglot (0.3.3)
Using treetop (1.4.15)
Using mail (2.5.4)
Using actionmailer (4.0.0)
Using activemodel (4.0.0)
Using activerecord-deprecated_finders (1.0.3)
Using arel (4.0.0)
Using activerecord (4.0.0)
Using thor (0.18.1)
Using railties (4.0.0)
Using activerecord-session_store (0.0.1)
Using bcrypt-ruby (3.1.1)
Using coffee-script-source (1.6.3)
Using execjs (2.0.0)
Using coffee-script (2.2.0)
Using coffee-rails (4.0.0)
Using daemons (1.1.9)
Using orm_adapter (0.4.0)
Using warden (1.2.3)
Using devise (3.0.3)
Using eventmachine (1.0.3)
Using multipart-post (1.2.0)
Using faraday (0.8.8)
Using hashie (2.0.5)
Using hike (1.2.3)
Using httpauth (0.2.0)
Using jbuilder (1.5.0)
Using jquery-rails (3.0.4)
Using json (1.8.0)
Using jwt (0.1.8)
Using libv8 (3.16.14.3)
Installing mysql2 (0.3.13)
Errno::EACCES: Permission denied - /Users/sumitkalra1984/.rvm/gems/ruby-1.9.3-p448/gems/mysql2-0.3.13/MIT-LICENSE
An error occurred while installing mysql2 (0.3.13), and Bundler cannot continue.
Make sure that `gem install mysql2 -v '0.3.13'` succeeds before bundling.