Ruby on RHEL/CentOS/Amazon Linux

By default, Amazon Linux AMI uses Ruby 1.8.6 - development prefers version 1.9.2

Remove preinstalled Ruby

sudo yum erase ruby ruby-libs ruby-mode ruby-rdoc ruby-irb ruby-ri ruby-docs

Install Development tools

sudo yum install openssl-devel zlib-devel gcc gcc-c++ make autoconf readline-devel curl-devel expat-devel gettext-devel

Download and Build Ruby 1.9.2

wget ftp://ftp.ruby-lang.org//pub/ruby/1.9/ruby-1.9.2-p290.tar.gz tar xzvf ruby-1.9.2-p290.tar.gz cd ruby-1.9.2-p290 ./configure make make install gem install bundler

Add additional packages

yum install freetds freetds-devel git nginix

Add web group and directory

sudo groupadd web

sudo usermod -a -G web nginx

sudo mkdir /var/www

sudo chgrp web /var/www

sudo chmod g+ws /var/www