How to calculate a person’s location by IP
Each computer has its own network card - IP, designed specifically for searching, receiving and transmitting information. The IP address on the PC can be local, dynamic, or static. The…

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Present day viruses
There are a huge number of computer viruses in the world. To establish their exact number (along with all modifications and upgrades) no one is taken. Instead, it is customary…

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VPN Basic Concepts and Classification
The term VPN (Eng. "Virtual Private Network") refers to a group of technologies that provide a network connection, or the so-called logical network, functioning on top of some other network,…

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ransomware viruses

Linux operating systems

Linux is not an operating system, but just its kernel. Everything that you are accustomed to see and understand as an OS (buttons, windows and panels) – in fact, it is not. What you see is the GUI (Graphical user interface), that is, the graphical user interface, also called the graphical environment or graphical shell. GUI is a program designed to simplify the life of the user so that he does not suffer from the console. In fact, any OS looks like a console, that is, like the good old DOS.

The types of operating systems built on the Linux kernel vary widely both in providing a working environment and in the set of applications available in the OS. This is partly because some programs support only some GUIs or depend on other programs that are not in the system. A quick overview of the differences Continue reading

Bat files, examples

You can perform all the examples published below not only by creating and running a BAT file containing these commands, but also copying them directly to the command line.

To open the command line in the right place (in the folder with files, for example), you need to call the context menu (RMB) with the Shift key held down:

command line call

You can read about how to work with the command line in this article. We pass directly to the teams. Continue reading

D-Link DIR-300 Setup

The DIR-300 router has been discontinued today and you can see on sale its more modern version – DIR-300NRU. The difference between them is small: slightly different interfaces (NRU cannot be restarted through the interface), different versions of Wi-Fi (G and stripped-down N), different firmware and Russification files. Otherwise, the information is relevant for the new version of the router.

In fact, the English word route means a route. Therefore, correctly and in Russian this device is called a router. But since everyone will look for a router anyway, I will use this name. This article will focus on configuring the DIR-300 router from D-Link.

The model of the router is quite widespread due to the good price-quality ratio. Setting up a router is not a particularly difficult process when you have Continue reading

Security in Firefox Browser
When working on the Internet, the highest priority should be to ensure the safety of users. Indeed, in the "global web" there is a huge number of fraudulent sites and…

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How to calculate a person’s location by IP
Each computer has its own network card - IP, designed specifically for searching, receiving and transmitting information. The IP address on the PC can be local, dynamic, or static. The…

...

Online Programs
With the development of the Internet, cloud services and various online software are becoming more widespread. Some of the services are paid, but mostly services at such sites are provided…

...

VPN Basic Concepts and Classification
The term VPN (Eng. "Virtual Private Network") refers to a group of technologies that provide a network connection, or the so-called logical network, functioning on top of some other network,…

...