Marcello DeSales marcellodesales

Vagrant Setup

This tutorial guides you through creating your first Vagrant project.

We start with a generic Ubuntu VM, and use the Chef provisioning tool to:

Afterwards, we'll see how easy it is to package our newly provisioned VM

# https://gist.github.com/6159923.git
[email protected]:6159923.git

git clone $gist blip_upload
# OR
git remote add origin $gist


	FILE SPACING:

	# double space a file
	sed G

	# double space a file which already has blank lines in it. Output file
	# should contain no more than one blank line between lines of text.
	sed '/^$/d;G'

	/*
	Sometimes, unicode symbols that have to be inserted in an HTML page should be escaped.
	For example, everybody know, that’s “&” should be escaped as “&”, ” ” as “ ” and so on.
	But what, if you should insert symbol, that you never used before. So you don’t know how it should be present or escaped.
	Code below, helps you to get valid decimal unicode for appropriate symbol.
	*/
	function getCharAsDecimalUTF8(char){
	var getUTF8 = escape(char);
	console.log("&#" + parseInt(getUTF8.substring(getUTF8.match(/\%u/) !== null ? 2 : 1), 16) + ";");
	}

	// Using Matcher object returned by =~ operator
	matcher = "Hello world v1.01" =~ /.* v(\S*)/
	if (matcher.matches()) version = matcher[0][1]
	assert version == "1.01"

	// We can make this a little tidier using the 'with' method
	version = ("Hello world v1.01" =~ /.* v(\S*)/).with { matches() ? it[0][1] : null }
	assert version == "1.01"

	#!/bin/bash
	# bash generate random alphanumeric string
	#

	# bash generate random 32 character alphanumeric string (upper and lowercase) and
	NEW_UUID=$(cat /dev/urandom \| tr -dc 'a-zA-Z0-9' \| fold -w 32 \| head -n 1)

	# bash generate random 32 character alphanumeric string (lowercase only)
	cat /dev/urandom \| tr -dc 'a-z0-9' \| fold -w 32 \| head -n 1

	#!/bin/bash -e
	# These need to be set.
	#export EC2_HOME="/path/to/ec2-api-tools"
	#export AWS_ACCESS_KEY='XXXXXXXXXXXXXXXXXXXX'
	#export AWS_SECRET_KEY='XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX'
	#export PATH="$PATH:${EC2_HOME}/bin"

	ami_id='ami-123abc12'
	availability_zone='eu-west-1a'
	keypair="[email protected]"

	license: gpl-3.0
	height: 600
	redirect: https://observablehq.com/@d3/d3-force-directed-graph

	#!/usr/bin/env python

	# Compare a file on S3 to see if we have the latest version
	# If not, upload it and invalidate CloudFront

	import fnmatch
	import os
	import boto
	import pprint
	import re