linux下安装Ruby/RubyGems和Rails

本文提供了详细的步骤指导如何安装Ruby及其开发工具包如RDoc和IRB,同时介绍了如何使用RubyGems安装Rails,帮助读者快速搭建Ruby on Rails开发环境。
1,Ruby
[code]
sudo aptitude install ruby ri rdoc irb libyaml-ruby libzlib-ruby
[/code]

2,RubyGems
去[url]http://rubyforge.org/projects/rubygems/[/url]下载最新版的RubyGems
解压后运行以下命令安装即可:
[code]
sudo ruby setup.rb
[/code]

3,Rails
用RubyGems安装Rails:
[code]
sudo gem install rails
[/code]
<internal:/usr/lib/ruby/vendor_ruby/rubygems/core_ext/kernel_require.rb>:86:in `require&#39;: Error loading the &#39;sqlite3&#39; Active Record adapter. Missing a gem it depends on? cannot load such file -- sqlite3/sqlite3_native (LoadError) from <internal:/usr/lib/ruby/vendor_ruby/rubygems/core_ext/kernel_require.rb>:86:in `require&#39; from /usr/share/rubygems-integration/all/gems/activesupport-6.1.7.3/lib/active_support/dependencies.rb:332:in `block in require&#39; from /usr/share/rubygems-integration/all/gems/activesupport-6.1.7.3/lib/active_support/dependencies.rb:299:in `load_dependency&#39; from /usr/share/rubygems-integration/all/gems/activesupport-6.1.7.3/lib/active_support/dependencies.rb:332:in `require&#39; from /usr/lib/ruby/vendor_ruby/sqlite3.rb:6:in `rescue in <top (required)>&#39; from /usr/lib/ruby/vendor_ruby/sqlite3.rb:2:in `<top (required)>&#39; from <internal:/usr/lib/ruby/vendor_ruby/rubygems/core_ext/kernel_require.rb>:86:in `require&#39; from <internal:/usr/lib/ruby/vendor_ruby/rubygems/core_ext/kernel_require.rb>:86:in `require&#39; from /usr/share/rubygems-integration/all/gems/activesupport-6.1.7.3/lib/active_support/dependencies.rb:332:in `block in require&#39; from /usr/share/rubygems-integration/all/gems/activesupport-6.1.7.3/lib/active_support/dependencies.rb:299:in `load_dependency&#39; from /usr/share/rubygems-integration/all/gems/activesupport-6.1.7.3/lib/active_support/dependencies.rb:332:in `require&#39; from /usr/share/rubygems-integration/all/gems/activerecord-6.1.7.3/lib/active_record/connection_adapters/sqlite3_adapter.rb:13:in `<top (required)>&#39; from <internal:/usr/lib/ruby/vendor_ruby/rubygems/core_ext/kernel_require.rb>:86:in `require&#39; from <internal:/usr/lib/ruby/vendor_ruby/rubygems/core_ext/kernel_require.rb>:86:in `require&#39; from /usr/share/rubygems-integration/all/gems/activesupport-6.1.7.3/lib/active_support/dependencies.rb:332:in `block in require&#39;
03-11
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