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#!/usr/bin/env

# Python Docs https://docs.python.org/3/library/secrets.html

import secrets
secrets.token_hex(5).upper() # The number of actual character returned will be double the number in token_hex(n)

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num = 27
steps = 0 
# while steps < 30:  # use this while logic to show that it continuously loops 4,2,1. The number 30 can be changed to any arbitrary number
while num != 1:
    if num % 2 != 0:
        num = num * 3 + 1
    else:
        num = num / 2
    print(num)
    steps += 1

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Processing JSON using jq

jq is useful to slice, filter, map and transform structured json data.

Installing jq

On Mac OS

brew install jq

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#! /bin/bash

region='us-east-1'

# Find all gp2 volumes within the given region
volume_ids=$(/usr/bin/aws ec2 describe-volumes --region "${region}" --filters Name=volume-type,Values=gp2 | jq -r '.Volumes[].VolumeId')

# Iterate all gp2 volumes and change its type to gp3
for volume_id in ${volume_ids};do
    result=$(/usr/bin/aws ec2 modify-volume --region "${region}" --volume-type=gp3 --volume-id "${volume_id}" | jq '.VolumeModification.ModificationState' | sed 's/"//g')

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#Function Create-RandomFiles{
<#
.SYNOPSIS
	Generates a number of dumb files for a specific size.
 
.DESCRIPTION
	Generates a defined number of files until reaching a maximum size.
 
.PARAMETER TotalSize
	Specify the total size you would all the files combined should use on the harddrive.

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---
AWSTemplateFormatVersion: 2010-09-09
Description: Creates a CodeBuild project to audit an AWS account with Prowler and stores the html report in a S3 bucket. This will run onece at the beginning and on a schedule afterwards. Partial contribution from https://github.com/stevecjones
Parameters:
  ServiceName:
    Description: 'Specifies the service name used within component naming'
    Type: String
    Default: 'prowler'

  LogsRetentionInDays:

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# https://www.radishlogic.com/aws/lambda/how-to-get-the-aws-account-id-in-lambda-python/

def lambda_handler(event, context):
    aws_account_id = context.invoked_function_arn.split(":")[4]
    print(aws_account_id)

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\+?1?\s?\-?\(?\d{3}\)?\s?\-?\d{3}\s?\-?\d{4}

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AWS CLI JMESPath cheatsheet

Random recipes of JMESPath for the AWS CLI tools that I might have written or stumbled upon.

• Examples
  • Return listing of all available AWS regions
  • Test if specific Lambda function exists?
  • List all Route 53 record names and their type for a zone
  • List all CloudWatch log groups
  • List all CloudWatch log groups with event expiry
  • Status of CloudFormation stack

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BBEDIT/TEXTWRANGLER REGULAR EXPRESSION GUIDE                               MODIFIED 2016/02/29 17:26
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NOTES: 

The PCRE engine (Perl Compatible Regular Expressions) is what BBEdit and TextWrangler use.

Items I'm unsure of are marked '# PCRE?'.  The list while fairly comprehensive is not complete.