一：安装依赖包 yum -y install gcc yum install flex autoconf zlib curl zlib-devel curl-devel bzip2 bzip2-devel ncurses-devel libjpeg-devel libpng-devel libtiff-devel freetype- devel pam-devel gcc+ gcc-c++ libxml2 libxml2-devel libxslt libxslt-devel二：安装rvm https://rvm.beginrescueend.com/rvm/install/ Multi-User installations — sudo bash -s stable < <(curl -s https://raw.github.com/wayneeseguin/rvm/master/ binscripts/rvm-installer )三：安装ruby rvm install 1.9.2 rvm use ruby-1.9.2 –default四：安装rails gem install rails -v 3.0.0“但行好事，莫问前程”，往往成功的几率反而更大些;
centos6下ruby环境配置的搭建–self
