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Add a simple Dark Mode toggle to any site without using extensions.

Bookmarklet

You can add this code to any page using the following bookmarklet:

javascript: (function (d) { sl = d.createElement('style'), s = d.createElement('script'); sl.innerHTML = '.darkmode-layer, .darkmode-toggle { z-index: 500; }'; d.head.appendChild(sl); s.onload = function () { new Darkmode({ saveInCookies: false, label: '🌓', right: 'unset', left: '32px' }).showWidget(); }; s.src = '//cdn.jsdelivr.net/npm/[email protected]/lib/darkmode-js.min.js'; d.head.appendChild(s); })(document)

Setup Kubernetes Cluster On-Premise using kubeadm

Why would you do this?

You own your bare metal infrastructure.
You want to take advantage of Kubernetes.
You do not wish to migrate your application to the cloud

Why it will not always suit your needs?

Trusted SSL/TLS Certificate Stores on Linux Operating Systems and Applications

The SSL/TLS store location is not standardised across operating systems or even Linux distros. It could be anywhere in:

/etc/ssl/certs
/etc/pki/tls/certs/ca-bundle.crt
/etc/ssl/certs/ca-bundle.crt
/etc/pki/tls/certs/ca-bundle.trust.crt

Hyperlinks (a.k.a. HTML-like anchors) in terminal emulators

[ Update 2020-05-31: I won't be maintaining this page or responding to comments anymore (except for perhaps a few exceptional occasions). ]

Most of the terminal emulators auto-detect when a URL appears onscreen and allow to conveniently open them (e.g. via Ctrl+click or Cmd+click, or the right click menu).

It was, however, not possible until now for arbitrary text to point to URLs, just as on webpages.

This (and related gists) captures how i created my docker swarm architecture. This is intended mostly for my own notes incase i need to re-creeate anything later! As such expect some typos and possibly even an error...

Installation Step-by-Step

Each major task has its own gist, this is to help with maitainability long term.

	/**
	* A backward-compatible for FileReader: readAsBinaryString() method
	* @param arrayBuffer {ArrayBuffer}
	* @see https://developer.mozilla.org/en-US/docs/Web/API/FileReader/readAsBinaryString
	*/
	function readAsBinaryString (arrayBuffer) {
	const binary = []
	const arrayBufferView = new Uint8Array(arrayBuffer)
	for (let i = 0; i < arrayBufferView.length; i++) {
	binary.push(String.fromCharCode(arrayBufferView[i]))

	#!/bin/bash

	# Script is needed because my default firewall rules are messed up and after
	# every restart, docker containers can't make connections to the host, notably
	# preventing debuggers like xdebug from attaching.

	# If networking fails in your containers but works in others, rm and re-create the
	# docker network that container is bound to.

	set -euo pipefail

	services:
	my-container:
	networks:
	# Attach the service to the traefik-public network
	traefik-public:
	deploy:
	labels:
	# Enable Traefik for this service
	- traefik.enable=true
	- traefik.http.routers.my-container.rule=Host(`example.com`)

	/*
	Convert an ArrayBuffer into a string
	from https://developer.chrome.com/blog/how-to-convert-arraybuffer-to-and-from-string/
	*/
	function ab2str(buf) {
	return String.fromCharCode.apply(null, new Uint8Array(buf));
	}

	function consoleWithNoSource(...params) {
	setTimeout(console.log.bind(console, ...params));
	}

	consoleWithNoSource("Helloo....!")