Charles Sarrazin csarrazi

These commands are needed every time you want to generate a new certificate signing request to give to an authority in order for them to generate and sign a certificate for you.

https://letsencrypt.org/ solves a lot of the pain involved with SSL certs, but sometimes you still need to go the "old school" route. I constantly forget how this stuff works, so I collected the most important commands (and what they do) here for easy copy & paste.

Generate new private key

OS X Screencast to animated GIF

This gist shows how to create a GIF screencast using only free OS X tools: QuickTime and ffmpeg.

Forked from https://gist.github.com/dergachev/4627207. Updated to use a palette to improve quality and skip gifsicle.

Instructions

To capture the video (filesize: 19MB), using the free "QuickTime Player" application:

Gmail and GitHub

How to filter emails from GitHub in Gmail and flag them with labels.

The labels in this document are just examples.

Pull Request

Filter	Label

Kafka 0.11.0.0 (Confluent 3.3.0) added support to manipulate offsets for a consumer group via cli kafka-consumer-groups command.

List the topics to which the group is subscribed

kafka-consumer-groups --bootstrap-server <kafkahost:port> --group <group_id> --describe

Note the values under "CURRENT-OFFSET" and "LOG-END-OFFSET". "CURRENT-OFFSET" is the offset where this consumer group is currently at in each of the partitions.

Reset the consumer offset for a topic (preview)

Get the synth wave glow working for VS Code on Mac

These notes are pretty much the same steps as the two extensions list, it's just that I had to collate them together because neither seems to list it fully in the proper order.

Install Synthwave ’84/Synthwave + Fluoromachine theme on VS Code (I used the Fluoromachine one)
Install Custom CSS and JS Loader
Command + Shift + P to open command palette > "Preferences: Open settings (JSON)"

	<?php
	namespace Fry;
	use JsonStreamingParser\Listener;

	/**
	* This implementation allows to process an object at a specific level
	* when it has been fully parsed
	*/
	class ObjectListener implements Listener
	{

	<?php

	namespace AppBundle\Entity;

	use Doctrine\Common\Collections\ArrayCollection;
	use Doctrine\ORM\Mapping as ORM;
	use Symfony\Component\Validator\Constraints as Assert;
	use Gedmo\Mapping\Annotation as Gedmo;
	use Symfony\Component\Serializer\Annotation\Groups;

	/*
	* Copyright 2016 MongoDB, Inc.
	*
	* Licensed under the Apache License, Version 2.0 (the "License");
	* you may not use this file except in compliance with the License.
	* You may obtain a copy of the License at
	*
	* http://www.apache.org/licenses/LICENSE-2.0
	*
	* Unless required by applicable law or agreed to in writing, software

	#!/usr/bin/env python
	import hmac, base64, struct, hashlib, time, subprocess

	# change this parameters
	vpn_entry_name = 'aws-vpn'
	otp_secret = 'your OTP secret'
	# change this parameters

	h = hmac.new(base64.b32decode(otp_secret, True), struct.pack(">Q", int(time.time())//30), hashlib.sha1).digest()
	o = ord(h[19]) & 15

	/*
	*
	* Mongo-Hacker
	* MongoDB Shell Enhancements for Hackers
	*
	* Tyler J. Brock - 2013 - 2016
	*
	* http://tylerbrock.github.com/mongo-hacker
	*
	*