How to verify the security of certificates installed in Windows

Sigcheck is a useful tool provided free of charge by Microsoft to check your computer for harmful digital certificates.  You can download it from the Ms-TechNet website.   You can download it from the site, click on  How to use and once you have downloaded the tool and extracted the .zip, open a prompt window on the folder (by pressing the SHIFT key […]

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Install and configure Apache web-server on Ubuntu or Debian (RaspberryPi)

To create an Apache-based web server, using a common Ubuntu or Debian machine, proceed as follows.   1. Install Apache  sudo apt-get update  sudo apt-get install apache2  To check if it’s correctly installed, go to the site  localhost  you should find ‘It works!  2. Configuration   All configuration files can be found in  “/etc/apache2”  this can be displayed via

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Introduction to Astronomical Observation Instruments and Deep Space Photography

In order to be able to observe the night-time cosmos we have to use special precision instruments, such as telescopes, eyepieces frames and cameras …  You will find an introduction to the world of astrophile and amateur astrophotography in this article   Telescopes  The telescope is an optical instrument with which we are able to observe the Universe, capturing

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