Ruby on Rails 安装

１、Ruby

$ sudo apt-get install ruby1.8
$ sudo ln -s -T /usr/bin/ruby1.8 /ruby/bin/ruby
$ sudo apt-get install rdoc1.8
$ sudo apt-get install libopenssl-ruby

２、RubyGems

$ wget http://rubyforge.org/frs/download.php/45905/rubygems-1.3.1.tgz
$ tar -xzvf rubygems-1.3.1.tgz
$ sudo ruby rubygems-1.3.1/setup.rb
$ sudo ln -s -T /usr/bin/gem1.8 /usr/bin/gem

３、Rails

$ sudo gem install rails

４、sqlite3-ruby

$ sudo apt-get install ruby1.8-dev
$ sudo apt-get install libsqlite-dev
$ sudo gem install sqlite3-ruby