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 […]
How to verify the security of certificates installed in Windows Read More »
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
How to create a shared folder on linux in few step Read More »
In case you need to access a partition with an ext2, ext3 or ext4 file system from Windows (maybe because you have used it with Linux up to that moment), you will have to use a little trick. MOUNTING THROUGH SHELL If you prefer not to install any software in Windows, you can use a Linux LIVE distribution
How to read EXT3 and EXT4 partitions from Windows Read More »
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
Install and configure Apache web-server on Ubuntu or Debian (RaspberryPi) Read More »
If you are using VirtualBox frequently, you will have found yourself in the situation of having to move files from the Host machine (the main system) to the Guest machine (the emulated system). To do this, if you use Windows as Guest (in the VM), there are no problems. In this case it will
How to access shared Virtualbox folders from Ubuntu or generally from Linux Read More »
Everything you need to know about Connections – Protocols – Modems – P2P – Browser – HTML – WWW – Viruses – Antivirus – Firewall – Ports – Your IP – Speed Test – General Facts WHAT IS A CONNECTION The network connection In general, a computer is said to be connected to the
Introduction to networks and internet navigation Read More »
The new Microsoft operating system (Windows 10) has brought, along with other new features, new quick commands to use with the keyboard. Very useful if we use the computer on a daily basis, especially in the workplace. Below is a list of the main ones: Windows Key + Tab: activates Task View Windows + A key: activates
Windows 10 keyboard shortcut (commands) Read More »
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
Introduction to Astronomical Observation Instruments and Deep Space Photography Read More »
Test open ports and firewalls Test TCP and UDP ports, to check the correct communication of your computer with the outside, through your NAT. You can check a particular port or run a complete test of all ports. TCP PORT SELECTIVE TEST Enter the number of the port to check and press ‘Test’ from
Check TCP port status and open ones in your NAT or Firewall Read More »
The Hubble Space Telescope celebrates its 25th birthday. Launched into orbit on 24 April 1990, with the STS-31 mission (aboard the space shuttle Discovery, now in retirement), it has always amazed scientists both for the discoveries that would not have been made without it, and for the extreme endurance it has had over the years. Certainly in 25
Hubble and its 25 years of service Read More »
