Ruby on rails installation manual

gistfile1.sh

# Getting started with Ruby
# http://guides.rubyonrails.org/getting_started.html

# Install ruby
curl -L https://get.rvm.io | bash -s stable --ruby

# Install ruby 1.8.7, since rvm installs 1.8.7 as default
rvm install 1.9.3
rvm --default use 1.9.3

# Install rails & bundler
gem install rails
gem install bundler

# --- Test rails working ---
cd ~/WORK

# Create a new project - blog
rails new blog
cd blog/

# start server
rails server
## open localhost:3000


# Errors
## Can not find compiler and 'make' tool - make sure Xcode and/or Command Line Tools are installed.
# http://stackoverflow.com/questions/17006304/why-cant-rvm-find-compiler-and-make-tool-after-installing-xcode
# 
# ## error installing rails
#   $ sudo gem install rails
#   Password:
#   Building native extensions.  This could take a while...
#   ERROR:  Error installing rails:
#     activesupport requires Ruby version >= 1.9.3.
#   $ ruby --version
#   ruby 1.8.7 (2012-02-08 patchlevel 358) [universal-darwin12.0]
#
#   >> http://www.unfoldingcode.com/2012/02/ruby-193-via-rvm-on-mac-osx-lion.html