Home network: Ethernet or Wi-Fi
If you do not go into the jungle of network technology and do not utter such terrible words as a router, a switch, a hub and a routing table, the…

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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…

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Home network: Ethernet or Wi-Fi
If you do not go into the jungle of network technology and do not utter such terrible words as a router, a switch, a hub and a routing table, the…

Continue reading →

the network

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

A bit about CCTV systems

When it comes to business security, peace of mind for the life and health of relatives, it is necessary to carefully approach the choice of security system. Over the past year alone, more than 100 thousand surveillance cameras have been installed in Russia!

Depending on where the camera is located, video surveillance systems can be external, internal and hidden. In any case, such systems monitor the object using a video camera. Using one or more cameras, you can follow it from one or several points.

Today, digital or analog systems are used. The first system uses analog means to record or reproduce a signal. As a result, the signal that will be transmitted from the cameras to the video surveillance monitors is presented in the same Continue reading

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 latter is fixed directly to the device and remains unchanged.

Dynamic is provided by providers: it changes every time you disconnect from the network and connect to it again. Local is designed to connect peripheral devices in one territory (this can be a home network, office or an entire enterprise), as well as to create local networks. Depending on what kind of IP a person is using, you can determine his exact location or the zone from which he goes to the Internet. Continue reading

The computer does not turn on: the problem is in the power supply
All PC malfunctions falling under the “computer does not turn on” category boil down to one single problem: it is impossible to download any of the known operating systems to…

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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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IP address in detail
From Wikipedia, the free encyclopedia IP-address (IP address, short for English. Internet Protocol Address) - a unique identifier (address) for a device (usually a computer) connected to a local network…

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Work on the Windows command line
The most common startup recommendations are: Start, Run, cmd. There is a Run item in the start menu. He runs a program that allows you to transfer single commands to the…

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