rails新环境

sudo apt-get install gcc build-essential g++ libssl-dev libreadline5-dev zlib1g-dev linux-headers-generic libxml2-dev libcurl4-openssl-dev curl git-core bison zlib1g subversion autoconf libpcre3-dev iptux mysql-server-5.1 libevent-dev openssh-server imagemagick libmysql-ruby libmysqlclient-dev libsqlite3-dev

参考了
http://www.cnblogs.com/lexus/archive/2011/05/30/2063049.html

install rvm

bash < <(curl -s https://rvm.beginrescueend.com/install/rvm)
rvm -v
查看 rvm版本1.6.32
rvm install 1.9.3
rvm list
rvm 1.9.3 --default
rvmsudo gem install passenger
<kbd>passenger-install-nginx-module</kbd>
回车，选择1推荐安装
The Nginx configuration file (/opt/nginx/conf/nginx.conf)
must contain the correct configuration options in order for Phusion Passenger
to function correctly.

This installer has already modified the configuration file for you! The
following configuration snippet was inserted:

  http {
      ...
      passenger_root /home/mlzboy/.rvm/gems/ruby-1.9.3-preview1/gems/passenger-3.0.8;
      passenger_ruby /home/mlzboy/.rvm/wrappers/ruby-1.9.3-preview1/ruby;
      ...
  }

After you start Nginx, you are ready to deploy any number of Ruby on Rails
applications on Nginx.



Deploying a Ruby on Rails application: an example

Suppose you have a Ruby on Rails application in /somewhere. Add a server block
to your Nginx configuration file, set its root to /somewhere/public, and set
'passenger_enabled on', like this:

   server {
      listen 80;
      server_name www.yourhost.com;
      root /somewhere/public;   # <--- be sure to point to 'public'!
      passenger_enabled on;
   }

And that's it! You may also want to check the Users Guide for security and
optimization tips and other useful information:

  /home/mlzboy/.rvm/gems/ruby-1.9.3-preview1/gems/passenger-3.0.8/doc/Users guide Nginx.html

Enjoy Phusion Passenger, a product of Phusion (www.phusion.nl) :-)
http://www.modrails.com/

Phusion Passenger is a trademark of Hongli Lai & Ninh Bui.