Windows Maintenance Programs
Computer maintenance can be both physical (dust removal, etc.) and software. The second is more related to the operating system, since the software maintenance of the PC itself at home…

Continue reading →

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…

Continue reading →

Modernization of old PCs
I note right away that the article has been for several years and it was left on the site for a change. It is clear that now on the market…

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

Creating BAT files
People who are familiar with the term batch file know that BAT files can significantly simplify life and save time if you can write and use them correctly. In this…

...

Local Area Networks and the Internet
When a local area network is connected to the global Internet, one of the PCs, called a server, becomes a kind of conductor and connects to the Internet using a…

...

License Review Article
Before we talk about licenses, I would like to touch on the subject of licensing in order to clarify. So, licensing is most often designed to preserve the source code…

...

What is a firewall and why is it needed?
We will not go into little things like translating words, occupying them some part of the article. Just point out that a firewall (from the English - fire wall), or…

...