Koen Serry

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Installing a VPN with Tinc on Ubuntu 16.04 LTS

Tinc is an open-source VPN daemon that available for a wide range of platforms and has several advantages over similar VPN clients. A Virtual Private …

Linux

Weekly News for Designers № 394

This is our popular weekly design news post where we share our favorite design related articles, resources and freebies from the past week.You can …

Web Design

Testing Credit-Card Numbers In E-Commerce Checkouts (Cheat Sheet)

Testing is a crucial part of the development process, from initially setting up a payment system to the continual testing of a checkout process. For …

How To Setup OpenVPN Server In 5 Minutes on Ubuntu Server

I am a new Ubuntu Linux server user. How do I setup an OpenVPN Server on Ubuntu Linux version 14.04 or 16.04 LTS server to shield my browsing …

Ubuntu

The Uncanny Mind That Built Ethereum

Vitalik Buterin invented the world’s hottest new cryptocurrency and inspired a movement — before he’d turned 20.<p>I met Vitalik Buterin for the first …

Blockchain

Step-by-step guide to a blockchain implementation

If you're not educating yourself on blockchain technology right now, you can bet your competitors are. Read our two-part primer on launching a …

CIOs

How to Hack Your Hormones So You Can Sleep Better, Gain Muscle, and Have More Sex

Science says you can control your chemistry. Here’s how<p>Think of your body as a Fortune 500 company. There are layers of management, countless systems that must work together seamlessly, and tons of goals that occasionally conflict.<p>In other words, it’s complicated. Thankfully, you don’t have to …

Wellness

13 Decks Java Developers Must See to Stay Updated

<b>So many presentations to see, so little spare time…</b>There are many key figures in the Java domain, each with his own perspective and opinions about …

Microservices

The Top 10 Advanced Java Talks You Should See to Stay Relevant

<b>Learn from the experts: watch some of the best Java videos available online!</b><p>One of the main resources for learning about new things in software …

Byte Buffers and Non-Heap Memory

Most Java programs spend their time working with objects on the JVM heap, using getter and setter methods to retrieve or change the data in those …

Command-line

BLESS - Bastion's Lambda Ephemeral SSH Service

BLESS is an SSH Certificate Authority that runs as an AWS Lambda function and is used to sign SSH public keys.<p>SSH Certificates are an excellent way …

This Man Stretched 10 Minutes a Day for a Month. Here’s What Happened

Turns out, a loose muscle is a strong muscle.<p>Like most guys, I hated stretching. Why waste time sitting around when I could be out running?<p>It hurt to learn that I was wrong—throbbed like hell, actually. I hurt my hip trying a leg workout and going running the same day, and had to shut down.<p>I called …

All the cool kids are doing Ethereum now

In the beginning the Prophet Satoshi brought us Bitcoin. And the cryptogeeks and libertarians looked upon it, and said lo, we smile upon this, for it is good, and decentralized, and solves the Byzantine Generals Problem. For a time all was well. But then came wailing and gnashing of teeth and …

Introducing CSS Scroll Snap Points

Before this new CSS I'm about to introduce existed, locking an element into the viewport <i>on scroll</i> required rigging up some JavaScript. As you may …

CSS

PostCSS-modules: make CSS great again! — Martian Chronicles

Front-end<p>Alexander Madyankin<p>Co-author of Evil Icons and author of PostCSS-modules, Front-end Developer at Evil …

JavaScript

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Find out if you’ve been infected by sneaky new Mac malware

Is your Mac infected by newly discovered malware that was ostensibly created by Milan-based HackingTeam in order to gain remote access to your machine?<p>The new virus uses some old HackingTeam code and some new tricks to hide its tracks, but it’s mostly harmless, according to researchers.<p>That doesn’t …

MacBook

New 9.7-inch iPad Pro may best 12.9-inch model with 12MP camera, 4K video

While Apple’s upcoming 9.7-inch iPad Pro will mostly match the 12.9-inch version in terms of functionality, there likely will be one key difference. Internal prototypes of the smaller model include a 12 megapixel rear camera comparable to the sensor in the iPhone 6s, according to sources. The …

IPad Pro

Raspberry Pi 3 gets wireless and it's available now

Raspberry Pi was born on 29 February 2012, the last leap year, and now on the second leap year in the company’s history it’s releasing a major hardware update.<p>The Raspberry Pi 3 features a 1.2GHz 64-bit quad-core, 1GB of RAM, integrated 802.11n wireless and Bluetooth 4.1, as well as full …

Raspberry Pi