How to create a safe and easy to remember password

They say that the most used passwords are always the same (example: 123456, password, qwerty, etc. …), or in any case referable to birth dates or memorable moments of someone’s life. Well, using public characters or real places is not a good idea anyway: in fact there are some software (like John the Ripper) that are able to use huge dictionaries, …

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Phishing brought to extreme levels exploiting punycode – How it works, how it to prevent and be sure of websites through SSL

Punycode is an encoding system that serves to represent a sequence of unicode characters via an ASCII character sequence, to make it possible to use these sequences in domain names, without having to modify existing infrastructure and standards.  In this way you can manage internationalized domain names (IDNA) by adding the characters ‘xn–‘ to the beginning of the punycode string.  For example, by entering xn–google.com as address, we …

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The 17 equations that have changed the World

An interesting collection made by Ian Stewart, British mathematician and writer.  From Pythagoras’ theorem, passing through Euler and Fourier, to Maxwell, Einstein, and Shannon; all the greatest discoveries are listed in chronological order.  But what can I say? in my opinion there is room for at least another dozen equations, in any case you can see his list in the picture below. 

Public IP address and DDNS: what it is, how to check and set it to reach devices in LAN from WAN

A computer or any device, when connected to a network (LAN), is identified by an IP address assigned by the router.  This address is usually in the form 192.168.X.Y and it is released by the router’s DHCP to identify the various devices connected to it.   However, since the router itself is connected to the Internet …

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Tutorial RaspberryPi: models – setup – first boot – configuration in a nutshell

A quick guide to the world’s cheapest and best-known Linux-ARM platform  Models – Connections – Setup – Installation – Booting – Configuration commands – Linux commands – Tricks  Introduction  What is Raspberry Pi Raspberry Pi was conceived from the idea of creating a low-cost computer.  In particular, a card that is able to run a linux distribution with …

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