Igor Ribeiro Sucupira igorrs

## aws_instance_types.rb
#!/usr/bin/env ruby
# Install dependencies with:
# gem install aws-sdk-rds aws-sdk-ec2

require 'aws-sdk-rds'
require 'aws-sdk-ec2'
require 'csv'

aws_regions = %w[us-east-1 us-east-2 us-west-1 us-west-2 sa-east-1]

## probability_of_collision.rb
def probability_of_collision(k, x)
  total_numbers = 32**x
  1 - Math::E**(((k-1)*-k) / (2.0*total_numbers))
end

# Example
probability_of_collision(100000, 8)

## cfn-template-dump.rb
# This script will look for cloudformation stacks on your account and download all the templates for you!
# Author: Gabriel Lett Viviani <http://github.com/gabriellett>
# Make sure you have aws-cli installed and configured on your machine,.

require 'json'
require 'optparse'

options = {}
OptionParser.new do |opts|
  opts.banner = "Usage: cfn-template-dump.rb [options]"

## gtk-redshift.sh
#!/usr/bin/env bash
while true; do
  pgrep redshift && exit  # Already running.
  gtk-redshift
  # Died? Check again after 10 seconds.
  sleep 10
done
	#!/usr/bin/env ruby
	# Install dependencies with:
	# gem install aws-sdk-rds aws-sdk-ec2

	require 'aws-sdk-rds'
	require 'aws-sdk-ec2'
	require 'csv'

	aws_regions = %w[us-east-1 us-east-2 us-west-1 us-west-2 sa-east-1]
	def probability_of_collision(k, x)
	total_numbers = 32**x
	1 - Math::E*(((k-1)-k) / (2.0*total_numbers))
	end

	# Example
	probability_of_collision(100000, 8)
	# This script will look for cloudformation stacks on your account and download all the templates for you!
	# Author: Gabriel Lett Viviani <http://github.com/gabriellett>
	# Make sure you have aws-cli installed and configured on your machine,.

	require 'json'
	require 'optparse'

	options = {}
	OptionParser.new do \|opts\|
	opts.banner = "Usage: cfn-template-dump.rb [options]"
	#!/usr/bin/env bash
	while true; do
	pgrep redshift && exit # Already running.
	gtk-redshift
	# Died? Check again after 10 seconds.
	sleep 10
	done