Mikko Rantalainen mikkorantalainen

mikkorantalainen / bitwarden-backup

Created March 10, 2023 08:34

Bash script to create full Bitwarden vault backup on Ubuntu host, backup file will be saved as AES-256 encrypted ZIP file

	#!/bin/bash
	#
	# Backup Bitwarden vault to AES-256 encrypted ZIP file
	# Copyright 2023 Mikko Rantalainen <[email protected]>
	# License: MIT
	#
	set -o errexit

	DATE="$(date +%Y-%m-%d)"
	ZIPFILENAME="$(pwd)/bitwarden-backup-$DATE.zip"

mikkorantalainen / php-elasticsearch-escape.php

Created July 15, 2021 16:51

	<?php


	function escapeElasticReservedChars($string) {
	$regex = "/[\\+\\-\\=\\&\\\|\\!\$\$\\{\\}\\[\\]\\^\\\"\\~\\*\\<\\>\\?\\:\\\\\\/]/";
	return preg_replace($regex, addslashes('\\$0'), $string);
	}

	/**
	* @param string $s untrusted user input

mikkorantalainen / PHP lambda performance results

Created December 10, 2020 13:54

	Live version: https://3v4l.org/6AABv

	Test script:
	<?php

	$a = array(
	0 => "foo",
	1 => "bar",
	"animal" => "string",
	3.13 => "pi",

mikkorantalainen / speedtest-cloudflare

Created August 25, 2020 14:05

	#!/bin/bash
	# Speedtest using speed.cloudflare.com servers
	# Copyright 2020 Mikko Rantalainen <[email protected]>
	# License: 2-clause BSD (https://opensource.org/licenses/BSD-2-Clause)
	set -e

	ID="$RANDOM$RANDOM$RANDOM"
	BYTES="${BYTES:=1000000}"
	SERVER="https://speed.cloudflare.com"
	TEMPFILE="$(tempfile -p speed -s test)"

mikkorantalainen / traffic-shaping

Created April 4, 2019 18:20

	#!/bin/bash
	# Traffic shaping script (AQM, fq_codel+tbf)
	# Copyright 2018 Mikko Rantalainen <[email protected]>
	# License: MIT (X11)
	# Usage:
	# 21/0.8 Mbps connection (ADSL2): DOWNLINK_RATE=21.7Mbit UPLINK_RATE=0.8Mbit TBF_LATENCY=500ms bin/traffic-shaping start
	# 100/100 Mbps connection: ./traffic-shaping
	# 1/1 GBps connection: DOWNLINK_RATE=1Gbit UPLINK_RATE=1Gbit TBF_LATENCY=10ms bin/traffic-shaping start
	# Note that using low TBF_LATENCY will require powerful CPU.
	#

	<?php


	function escapeElasticReservedChars($string) {
	$regex = "/[\\+\\-\\=\\&\\\|\\!\\(\\)\\{\\}\\[\\]\\^\\\"\\~\\*\\<\\>\\?\\:\\\\\\/]/";
	return preg_replace($regex, addslashes('\\$0'), $string);
	}

	/**
	* @param string $s untrusted user input