mysql, rmagic, curl, git, vim, sqlite, nodejs nokogiri...
sudo apt-get install libxslt1-dev libxml2-dev libmagickwand-dev imagemagick libsqlite3-dev libcurl4-openssl-dev curl git git-gui vim-gtk mysql-server mysql-client ruby-mysql libmysqlclient-dev mysql-workbench exuberant-ctags icedtea-plugin nodejs rar wmctrl
ruby 1.9.3
sudo apt-get install ruby1.9.3
ruby 2.0
sudo apt-get install ruby2.0
ruby switch
sudo apt-get install python-software-properties
sudo apt-add-repository ppa:brightbox/ruby-ng
sudo apt-get update
sudo apt-get install ruby-switch
sudo apt-get install ruby-rails-4.0
sudo gem install rails
sudo apt-get install mongodb
sudo apt-get install redis-server
sudo apt-get install sphinxsearch