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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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…

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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…

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Cleaning a computer

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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 for free. In my daily work I myself use a few about a dozen of these services.

Often, in terms of quality of work, they are not inferior to similar software installed on the computer. And since the Internet is firmly entrenched in everyday life and in the minds – the sooner the more programs were installed on a PC, the more it could do. Today, a suddenly broken Internet makes a PC virtually useless. The sense of installing unnecessary software in the system is less and less, and using online more and more. Today, most programs replace bookmarks in an Internet browser. Continue reading

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 (source code) from encroachment. What is it? Literally, the computer code of a program in any programming language.

What advantages does it give? There are absolutely no ordinary users, but a programmer can easily determine by him the principle of the program’s work, be able to track all its actions, what is happening, why and for what. It’s like observing the construction of a house from the window of your apartment or working as an engineer at this construction site. You know the source code – you know all the secrets. Continue reading

Removing SMS viruses

Recently, viruses that require sending SMS have become a very popular and profitable type of money withdrawal from cybercriminals. As a result of this, a lot of varieties of SMS viruses have appeared. There are not only viruses that require SMS for viewing porn sites, but also disguise for installing and updating programs, locking the system due to unlicensed use, and so on and so forth. The whole variety of varieties in the form of screenshots can be observed here, for example.

ransomware sms virus

Another problem is that an infected user, going to a friend to search the Internet for a solution to his problem, stumbles across the network to Continue reading

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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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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…

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Capacitor Replacement
In the element base of the computer (and not only) there is one bottleneck - electrolytic capacitors. They contain electrolyte, electrolyte is a liquid. Therefore, heating such a capacitor leads…

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File encryption
Encryption is the most common and essentially the simplest way to protect any information. After all, it seems that it could be simpler to take the text, take some algorithm…

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