Henry Snoek snoek09

Here is the best setup (I think so :D) for K-series Keychron keyboards on Linux.

Note: many newer Keychron keyboards use QMK as firmware and most tips here do not apply to them. Maybe the ones related to Bluetooth can be useful, but everything related to Apple's keyboard module (hid_apple) on Linux, won't work. As far as I know, all QMK-based boards use the hid_generic module instead. Examples of QMK-based boards are: Q, Q-Pro, V, K-Pro, etc.

Most of these commands have been tested on Ubuntu 20.04 and should also work on most Debian-based distributions. If a command happens not to work for you, take a look in the comment section.

Make Fn + F-keys work (NOT FOR QMK-BASED BOARDS)

Older Keychron keyboards (those not based on QMK) use the hid_apple driver on Linux, even in the Windows/Android mode, both in Bluetooth and Wired modes.

How to setup Let's Encrypt for Nginx on Ubuntu 18.04 (including IPv6, HTTP/2 and A+ SLL rating)

Virtual hosts

Let's say you want to host domains first.com and second.com.

Create folders for their files:

AvReg: The Aviation RegEx Match Toolkit

General Tips

The PCRE flavour of RegEx is used here.
Append the i modifier to the end of the regex to make any pattern case-insensitive.

Aircraft

Description

This simple script will take a picture of a whiteboard and use parts of the ImageMagick library with sane defaults to clean it up tremendously.

The script is here:

#!/bin/bash
convert "$1" -morphology Convolve DoG:15,100,0 -negate -normalize -blur 0x1 -channel RBG -level 60%,91%,0.1 "$2"

	<?php

	namespace AppBundle\Form;


	use Symfony\Component\Form\AbstractType;
	use Symfony\Component\Form\Extension\Core\Type\PasswordType;
	use Symfony\Component\Form\Extension\Core\Type\RepeatedType;
	use Symfony\Component\Form\Extension\Core\Type\SubmitType;
	use Symfony\Component\Form\FormBuilderInterface;

	<?php

	namespace App\Http\Middleware;

	use Closure;
	use Illuminate\Http\Response;
	use Illuminate\Cache\RateLimiter;

	class ThrottleRequests
	{

	<?php

	function sanitize_phone( $phone, $international = false ) {
	$format = "/(?:(?:\+?1\s(?:[.-]\s)?)?(?:\(\s([2-9]1[02-9]\|[2-9][02-8]1\|[2-9][02-8][02-9])\s\)\|([2-9]1[02-9]\|[2-9][02-8]1\|[2-9][02-8][02-9]))\s(?:[.-]\s)?)?([2-9]1[02-9]\|[2-9][02-9]1\|[2-9][02-9]{2})\s(?:[.-]\s)?([0-9]{4})(?:\s(?:#\|x\.?\|ext\.?\|extension)\s(\d+))?$/";

	$alt_format = '/^(\+\s)?((0{0,2}1{1,3}[^\d]+)?\(?\s([2-9][0-9]{2})\s[^\d]?\s([2-9][0-9]{2})\s[^\d]?\s([\d]{4})){1}(\s([[:alpha:]#][^\d]\d.*))?$/';

	// Trim & Clean extension
	$phone = trim( $phone );
	$phone = preg_replace( '/\s+(#\|x\|ext(ension)?)\.?:?\s*(\d+)/', ' ext \3', $phone );

	#!/usr/bin/php
	<?php
	/**
	* .git/hooks/pre-commit
	*
	* This pre-commit hooks will check for PHP error (lint), and make sure the code
	* is PSR compliant.
	*
	* Dependecy: PHP-CS-Fixer (https://github.com/fabpot/PHP-CS-Fixer)
	*

	# to generate your dhparam.pem file, run in the terminal
	openssl dhparam -out /etc/nginx/ssl/dhparam.pem 2048