mit6470 / mug6470

Interactive ML

An interactive machine learning tutorials and tools application based on Ruby on Rails framework.

Setting up the development environment for Rails 3

• OS: Ubuntu 11.10

• Update Ruby to 1.9.2 on Ubuntu 11.10

  $ sudo apt-get remove ruby rubygems ruby1.8 ruby1.8-dev ruby1.8-full

  $ sudo apt-get install ruby1.9.1-full

  $ sudo update-alternatives --set ruby /usr/bin/ruby1.9.1

  $ sudo env REALLY_GEM_UPDATE_SYSTEM=1 gem update --system

• Update Ruby to 1.9.2 on Ubuntu < 11.10.

  $ sudo apt-get remove --purge ruby rubygems ruby1.8 ruby1.8-dev ruby1.8-full

  $ sudo apt-get install ruby1.9.1-full

  $ sudo update-alternatives --install /usr/bin/ruby ruby /usr/bin/ruby1.9.1 0

  $ sudo update-alternatives --install /usr/bin/gem gem /usr/bin/gim1.9.1 0

  $ sudo update-alternatives --install /usr/bin/ri ri /usr/bin/ri1.9.1 0

  $ sudo update-alternatives --install /usr/bin/irb irb /usr/bin/irb1.9.1 0

  $ sudo env REALLY_GEM_UPDATE_SYSTEM=1 gem update --system

• Libraries needed for Rails development

  $ sudo apt-get install build-essential

  $ sudo apt-get install mysql-server mysql-client libmysqlclient-dev

  $ sudo apt-get install sqlite3 libsqlite3-dev

  $ sudo gem install bundler

Setting up the application

• Install all necessary gems, In the project's directory:

  $ bundle install

• Database setup.

  $ rake db:drop db:create db:migrate db:seed

• Start the server.

  $ rails s