sudo gem install sqlite3-ruby
Building native extensions.  This could take a while...
ERROR:  Error installing sqlite3-ruby:
    ERROR: Failed to build gem native extension.

/usr/bin/ruby extconf.rb install sqlite3-ruby
can't find header files for ruby.

Gem files will remain installed in /usr/lib/ruby/gems/1.8/gems/sqlite3-ruby-1.2.4 for inspection.
Results logged to /usr/lib/ruby/gems/1.8/gems/sqlite3-ruby-1.2.4/ext/sqlite3_api/gem_make.out

sudo apt-get install ruby-dev
sudo apt-get install sqlite3-dev

gem install sqlite3

yum install rubygem-sqlite3

/usr/lib/ruby/site_ruby/1.8/rubygems/source_index.rb:92:in `load_specification': private method `specification_version=' called for #<Gem::Specification:0xb7e23ef4> (NoMethodError)
    from /usr/lib/ruby/site_ruby/1.8/rubygems/specification.rb:421:in `initialize'
    from (eval):1:in `new'
    from (eval):1:in `load_specification'
    from /usr/lib/ruby/site_ruby/1.8/rubygems/source_index.rb:128:in `eval'
    from /usr/lib/ruby/site_ruby/1.8/rubygems/source_index.rb:92:in `load_specification'
    from /usr/lib/ruby/site_ruby/1.8/rubygems/source_index.rb:128:in `load_gems_in'
    from /usr/lib/ruby/site_ruby/1.8/rubygems/source_index.rb:127:in `each'
    from /usr/lib/ruby/site_ruby/1.8/rubygems/source_index.rb:127:in `load_gems_in'
     ... 14 levels...
    from /usr/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:27:in `gem_original_require'
    from /usr/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:27:in `require'
    from /usr/lib/ruby/site_ruby/1.8/rubygems.rb:111:in `manage_gems'
    from /usr/bin/gem:10

Error Type: <class &apos;yum.Errors.PackageSackError&apos;>