jschoolcraft

Here's how to install PostgreSQL and have it run automatically at startup, on an Ubuntu 10.04 virtual machine using Vagrant. This took me a while to figure out:

Add the default lucid32 base box to your vagrant, if you haven't already:

host> vagrant box add lucid32 http://files.vagrantup.com/lucid32.box 

Now make a new lucid32 virtual machine and install postgresql on it:

keikubo

Nginx + Unicorn for Rails on Rackhub

Description:

This script enables you to launch your Rails application in production environment (port:80) with Nginx and Unicorn.

Installation:

Please make sure that your Gemfile in your rails application includes unicorn.

IanVaughan

#!/usr/bin/env bash

uninstall() {
  list=`gem list --no-versions`
  for gem in $list; do
    gem uninstall $gem -aIx
  done
  gem list
  gem install bundler
}

rodw

#!/bin/bash 
# A simple script to backup an organization's GitHub repositories.

#-------------------------------------------------------------------------------
# NOTES:
#-------------------------------------------------------------------------------
# * Under the heading "CONFIG" below you'll find a number of configuration
#   parameters that must be personalized for your GitHub account and org.
#   Replace the `<CHANGE-ME>` strings with the value described in the comments
#   (or overwrite those values at run-time by providing environment variables).

yano3

$ brew upgrade mysql
Warning: Your Xcode (3.2.5) is outdated
Please install Xcode 3.2.6.
==> Upgrading mysql
==> Downloading https://downloads.sf.net/project/machomebrew/Bottles/mysql-5.5.28.snowleopard.bottle.tar.gz
######################################################################## 100.0%
==> Pouring mysql-5.5.28.snowleopard.bottle.tar.gz
==> Caveats
Set up databases to run AS YOUR USER ACCOUNT with:
    unset TMPDIR

mattconnolly

module AuthHelper
  def http_login
    user = 'username'
    pw = 'password'
    request.env['HTTP_AUTHORIZATION'] = ActionController::HttpAuthentication::Basic.encode_credentials(user,pw)
  end
end

module AuthRequestHelper
  #

mmasashi

r53 = AWS::Route53.new(
  :access_key_id => 'aws-key-id',
  :secret_access_key => 'aws-secret-key')

response = r53.client.list_resource_record_sets(
  :hosted_zone_id => "zone-id",
  :start_record_name => 'xxx.example.com', 
  :start_record_type => 'CNAME'
)
puts response[:resource_record_sets].map{|r| r[:name]}

arturhoo

How to use the script below

Requirements:

• aws-sdk: ~> 1.20.0

Two files are required: ~/.aws/config and a file containing instances ids, one per line, eg:

~/.aws/config

kylemcdonald

import re
import pickle
from threading import Timer
import subprocess
from subprocess import call
import os.path
import sys

# config
database = 'allPairs.p'

vasanthk

System Design Cheatsheet

Picking the right architecture = Picking the right battles + Managing trade-offs

Basic Steps

1. Clarify and agree on the scope of the system

• User cases (description of sequences of events that, taken together, lead to a system doing something useful)
  • Who is going to use it?
  • How are they going to use it?