Ruby on rails Configure

server_configure.log

# ruby developer packages
sudo apt-get install ruby1.8 ri1.8 rdoc1.8 irb1.8
sudo apt-get install libreadline-ruby1.8 libruby1.8 libopenssl-ruby

# hpricot requirements
sudo apt-get install ruby1.8-dev
sudo gem install hpricot


# nokogiri requirements
sudo apt-get install libxslt-dev libxml2-dev
sudo gem install nokogiri


# mysql adapter 
apt-get install libmysql++-dev
sudo gem install mysql

# mongodb driver
sudo gem install mongo_mapper


# lighttpd and apache2 control
sudo apt-get install lighttpd
/etc/init.d/apache2 start|restart|stop
/etc/init.d/lighttpd start|restart|stop

# fcgi 
sudo apt-get install libfcgi-dev
sudo apt-get install libfcgi-ruby1.8
sudo gem install ruby-fcgi

# rails
sudo gem install rails -v 2.1.2

You're running:
  ruby 1.8.7.249 at /usr/bin/ruby1.8
  rubygems 1.3.7 at /root/.gem/ruby/1.8, /usr/lib/ruby/gems/1.8