id / gist:476844f8bf1f328088eae08bca8c0cb1

Last active September 19, 2024 16:41

install-snowflake-odbc.sh

	#!/usr/bin/env bash

	set -xeuo pipefail

	apt update && apt install -yyq unixodbc-dev odbcinst wget unixodbc libreadline8
	wget -nc 'https://sfc-repo.snowflakecomputing.com/odbc/linux/3.3.2/snowflake-odbc-3.3.2.x86_64.deb'
	dpkg -i snowflake-odbc-3.3.2.x86_64.deb
	apt install -f

	ODBC_INST_LIB=/usr/lib/x86_64-linux-gnu/libodbcinst.so

id / gke.tf

Created August 31, 2024 07:08

	provider "google" {
	project = "<project_id>"
	region = "europe-central2"
	}

	variable "project_id" {
	type = string
	}

	variable "region" {

id / cluster.hocon

Created May 31, 2024 16:22

Test emqx authz webhook

	authorization {
	deny_action = ignore
	no_match = deny
	sources = [
	{
	body {
	username = "${username}"
	}
	enable = true
	headers {

id / Dockerfile

Created March 26, 2024 10:47

EMQX + HAProxy + Datadog Agent with EMQX integration in docker compose

	FROM gcr.io/datadoghq/agent:latest
	RUN agent integration install -r -t datadog-emqx==1.0.0

id / index.js

Created February 21, 2024 14:20

mqtt.js sample code

	const mqtt = require("mqtt");

	const url = 'mqtts://127.0.0.1:8883'
	const options = {
	clean: true,
	connectTimeout: 1000,
	clientId: 'emqx_test',
	username: 'emqx_test',
	password: 'emqx_test',
	rejectUnauthorized: false,

id / pub.py

Created February 19, 2024 16:48

paho.mqtt python publisher

	#!/usr/bin/env python3
	import asyncio
	import random
	import string
	import json
	import paho.mqtt.client as mqtt

	broker = 'localhost'
	port = 1883
	alhabet = string.ascii_lowercase+string.digits

id / gist:e94cba0583debf38692d4b83dd360eb4

Created August 29, 2023 06:58

Encrypt in Typescript --> Decrypt with openssl

	import * as crypto from 'crypto';

	function encryptToken(token: string, password: string): string {
	const iv = crypto.randomBytes(16);
	let cipher = crypto.createCipheriv('aes-256-cbc', Buffer.from(password), iv);
	let encrypted = cipher.update(token);
	encrypted = Buffer.concat([encrypted, cipher.final()]);
	return `${iv.toString('hex')}:${encrypted.toString('hex')}`;
	}

id / emqx-prometheus-cloudwatch.md

Created April 27, 2023 16:18

EMQX e4.4.17 --> Prometheus --> CloudWatch

Tested on a stock Ubuntu 22.04 AMI.

EMQX

sudo apt update
sudo apt install ./emqx-ee-4.4.17-otp24.3.4.2-1-ubuntu22.04-amd64.deb
sudo systemctl restart emqx
curl -f "127.0.0.1:8081/api/v4/emqx_prometheus?type=prometheus"

id / openssl@1.1.rb

Created September 6, 2022 17:06

brew formula for openssl@1.1 with no-shared

	class OpensslAT11 < Formula
	desc "Cryptography and SSL/TLS Toolkit"
	homepage "https://openssl.org/"
	url "https://www.openssl.org/source/openssl-1.1.1q.tar.gz"
	mirror "https://www.mirrorservice.org/sites/ftp.openssl.org/source/openssl-1.1.1q.tar.gz"
	mirror "http://www.mirrorservice.org/sites/ftp.openssl.org/source/openssl-1.1.1q.tar.gz"
	mirror "https://www.openssl.org/source/old/1.1.1/openssl-1.1.1q.tar.gz"
	mirror "https://www.mirrorservice.org/sites/ftp.openssl.org/source/old/1.1.1/openssl-1.1.1q.tar.gz"
	mirror "http://www.mirrorservice.org/sites/ftp.openssl.org/source/old/1.1.1/openssl-1.1.1q.tar.gz"
	sha256 "d7939ce614029cdff0b6c20f0e2e5703158a489a72b2507b8bd51bf8c8fd10ca"

id / .tmux.conf

Created February 3, 2018 21:07

.tmux.conf

	unbind C-b
	set-option -g prefix C-a
	bind C-a send-prefix
	set-option -g default-terminal "screen-256color"
	bind-key -temacs-copy M-w copy-pipe "tmux_send_clip.sh"
	set-option -g default-command "/bin/bash && source ~/.bashrc"
	set-option -g status-bg black
	set-option -g status-fg white
	set-option -g status-left ‘#[fg=green]#H’
	set-option -g visual-activity on

Ivan Dyachkov id

EMQX e4.4.17 --> Prometheus --> CloudWatch

EMQX