elvuel

ENV:
   rvm-ruby  1.9.2  => install dir => gem env | grep 'INSTALLATION DIRECTORY'  => rvm-ruby install dir_path
   rails 3.0.7

CAUSE:
   run scaffold generator: rails g scaffold modelname column:string ...

Fix Steps:
   1) ensure openssl has been installed => which openssl  => /usr/bin/ssl
   

elvuel

#
# RVM profile
#
# /etc/profile.d/rvm.sh # sh extension required for loading.
#
if [ -n "${BASH_VERSION:-}" -o -n "${ZSH_VERSION:-}" ] ; then

  # Load user rvmrc configurations, if exist
  for file in /etc/rvmrc "$HOME/.rvmrc" ; do
    [[ -s "$file" ]] && source $file

elvuel

if ENV['MY_RUBY_HOME'] && ENV['MY_RUBY_HOME'].include?('rvm')
  begin
    rvm_path     = File.dirname(File.dirname(ENV['MY_RUBY_HOME']))
    rvm_lib_path = File.join(rvm_path, 'lib')
    $LOAD_PATH.unshift rvm_lib_path
    require 'rvm'
    RVM.use_from_path! File.dirname(File.dirname(__FILE__))
  rescue LoadError
    # RVM is unavailable at this point.
    raise "RVM ruby lib is currently unavailable."

elvuel

#!/bin/sh
# => /etc/init.d/nginx
# => sudo chmod +x /etc/init.d/nginx
# => make it start when the server run: /sbin/chkconfig nginx on
# => to check it: /sbin/chkconfig --list nginx
# nginx - this script starts and stops the nginx daemin
# Taken from http://www.hikaro.com
# chkconfig:   - 85 15 
# description:  Nginx is an HTTP(S) server, HTTP(S) reverse \
#               proxy and IMAP/POP3 proxy server

elvuel

$ ruby -e 'exit'
$ echo $?
0
$ ruby -e 'exit 1'
$ echo $?
1
$ ruby -e 'abort "oh no"'
oh no
$ echo $?
1

elvuel

require 'sinatra'

# Set the version of the API being run here
#
MAJOR_VERSION = 1
MINOR_VERSION = 0

helpers do
  def version_compatible?(nums)
    return MAJOR_VERSION == nums[0].to_i && MINOR_VERSION >= nums[1].to_i

elvuel

# config.middleware.insert_after "ActionController::ParamsParser", "Rack::PageGen", :base_dir => '/tmp', :regular => :settings

# encoding: utf-8
module Rack
  class PageGen

    attr_reader :options
    
    def initialize(app, options = {})
      @app = app

elvuel

  $ cd /usr/src
  $ wget http://nginx.org/download/nginx-0.8.52.tar.gz
  $ tar xzvf ./nginx-0.8.52.tar.gz
  $ rm ./nginx-0.8.52.tar.gz

  $ gem install s3sync capistrano capistrano-ext passenger --no-ri --no-rdoc
  $ passenger-install-nginx-module
  # Automatically download and install Nginx?           2. No: I want to customize my Nginx installation
  # Where is your Nginx source code located?:           /usr/src/nginx-0.8.52
  # Where do you want to install Nginx to?:             /opt/nginx

elvuel

+----------+
|          |
|   User   |
|          |
+----------+
     ^
     |
    (B)
+----+------+          Client Identifier      +---------------+
|           +----(A)--- & Redirect URI ------>|               |

elvuel

module Rack
  class Callbacks < ::Array
    DUMMY_APP = proc {|env| }

    def initialize(app, &block)
      @app = app
      instance_eval(&block) if block_given?
    end

    def use(middleware, *args, &block)