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How to create a Wi-Fi hotspot in Windows 7 8 or Windows 10 in a few steps

In some situations we may have to connect to a Wifi network that is not ‘visible’ from our homes.  Especially on holiday, where we are forced to stand at the window to try to get a better signal from a public HotSpot.   How to ‘repeat’ the signal picked up outside, in our house?    We …

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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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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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How to create a shared folder on linux in few step

A simple guide to create a shared folder accessible and writable from any device on the local network.  Valid for Ubuntu, Debian, RaspberryPi, etc…  Warning: this is one of the simplest and shortest procedures and creates a public folder; to create folders with users and passwords the procedure is more complicated.   1. install samba sudo apt-get …

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