ruby+rails+unicorn インストール
sudo yum install git patch pcre pcre-devel openssl openssl-devel curl curl-devel libxslt-devel libxml2-devel sqlite-devel
yum -y install libyaml-devel
bash -s stable < <(curl -s https://raw.github.com/wayneeseguin/rvm/master/binscripts/rvm-installer)
source ~/.bash_profile
rvm get head && rvm reload
rvm install 1.9.3
rvm use 1.9.3-p125 --create --default
gem update --system
gem install rails
gem install unicorn