Installing Ruby on Rails 3.1 for a clean install of Mac OS X 10.7 Lion

installing_rails_31_on_mac_os_x_lion

# This is a guide for how I installed rails 3.1 on a clean install of Mac OS X 10.7 Lion.
# There is no Warranty expressed, and I am not responsible for any issues that may arise from following this guide.
# Installing rails should be simple. I cringed at other peoples methods shared via Twitter.
# Keil Miller July 26, 2011

# Install RVM
$ bash < <(curl -s https://rvm.beginrescueend.com/install/rvm)

# Load RVM into new shells
# As instructed from the above command, add the line stated to the very bottom of the following file
/etc/bashrc

# Confirm RVM is loaded in new shell
$ rmv -v

# Install ruby 1.9.2
$ rvm install ruby-1.9.2-p290

# Tell rvm to use ruby 1.9.2 as default
$ rvm --default use 1.9.2

# Create a new gemset for Rails 3.1 pre-release
$ rvm [email protected] --create

# Confirm that your new gemset exists
$ rvm gemset list

# Update rake to 0.9.2 or newer
# It is important that you do this before installing rails
$ gem update rake

# Install Rails 3.1 pre-release
$ gem install rails --pre

# Confirm installed gems
$ gem list