Security

Shodan: The scariest search engine on the Internet

"When people don't see stuff on Google, they think no one can find it. That's not true." That's according to John Matherly, creator of Shodan, the scariest search engine on the Internet. Unlike Google, which crawls the Web looking for websites, Shodan navigates the Internet's back channels. It's a kind of "dark" Google,…

Programming

The HTML5 Quick Learning Guide

HTML5 syntax is compatible with both HTML4 and XHTML1. Want to close empty elements with a slash? Go for it.…

How to Create a Password Strength Indicator With jQuery

If you are building a system that allows the users to login in, then it is always a good idea…

Improving Page Performance with HTML5 Prefetch

As Wikipedia explains: Link prefetching is a proprietary syntax to give web browsers a hint about documents that it should pre-fetch…

21 PHP Libraries You Should Know About

The aim of the Standard PHP Library-or SPL is to provide a standard library of interfaces which allows developers to…

Servers

How to Set up a Fully Functional Mail Server on Ubuntu 16.04 with iRedMail

Setting up your own mail server from scratch on Linux is complex and tedious, until you meet iRedMail. This tutorial…

Install Java in Ubuntu 16.04

Java and the JVM (Java's virtual machine) are widely used and required for many kinds of software. This article will…

How to install and setup Varnish in Ubuntu 16.04

One of the problems with running a site with many users is that the constant requests for dynamic content can…

Install HHVM + Nginx on Ubuntu 14.04

  The LEMHH software stack is a group of software that can be used to serve dynamic web pages and web…

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