krishna-shilpakar

Install Rails 3.1 RC

gem install rails --pre

generate new app, skipping Test::Unit file generation

rails new my_app -T

Set up Gemfile

krishna-shilpakar

[user]
  name = your_username
  email = your_email@gmail.com
[github]
  user = github_username
  token = github_your_own_token
[core]
  #Global .gitignore file
  excludesfile = /Users/millisami/.gitignore
  editor = mate -w

krishna-shilpakar

Rails Models

Generating models

$ rails g model User

Associations

belongs_to

has_one

krishna-shilpakar

{
  "use_simple_full_screen": false,

  // calculates indentation automatically when pressing enter
  "auto_indent": true,

  // sets the colors used within the text area (default)
  // see https://github.com/olivierlacan/monokaim to download
  // the customized Monokai I use.
  "color_scheme": "Packages/Color Scheme - Default/Monokaim.tmTheme",

krishna-shilpakar

require 'rubygems' unless defined? Gem # rubygems is only needed in 1.8

def unbundled_require(gem)
  
  loaded = false
  
  if defined?(::Bundler)
  
    Gem.path.each do |gems_path|
      gem_path = Dir.glob("#{gems_path}/gems/#{gem}*").last

krishna-shilpakar

source :rubygems

# We are not loading Active Record, nor Active Resources etc.
# We can do this in any app by simply replacing the rails gem
# by the parts we want to use.
gem "actionpack", "~> 3.2"
gem "railties",   "~> 3.2"
gem "tzinfo"

# Let's use thin

krishna-shilpakar

Use TCPDUMP to Monitor HTTP Traffic
1. To monitor HTTP traffic including request and response headers and message body:

tcpdump -A -s 0 'tcp port 80 and (((ip[2:2] - ((ip[0]&0xf)<<2)) - ((tcp[12]&0xf0)>>2)) != 0)'

2. To monitor HTTP traffic including request and response headers and message body from a particular source:

tcpdump -A -s 0 'src example.com and tcp port 80 and (((ip[2:2] - ((ip[0]&0xf)<<2)) - ((tcp[12]&0xf0)>>2)) != 0)'

3. To monitor HTTP traffic including request and response headers and message body from local host to local host: