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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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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Installing a cooler on a processor
Background to the experiment: CPU cooling (LGA775 socket) was provided by the CNPS7700-AICu cooling system. Intel Pentium D930 processor, was purchased in 2005. At that time, quite powerful and expensive.…

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the mouthguards

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Code optimization

In the process of writing code, it is impossible to detect all errors and correct them. Writing a code, especially in large volumes, is a monotonous thing, somewhat tedious and often repeated, so the eye becomes blurry. Search and correction of errors is for me personally a separate finishing procedure. In addition to obvious errors, illogical sections of code often pop up, which also have to be rewritten, simplified, and eliminated.

In addition to fixing errors and other shortcomings, you need to take care of optimizing content for search engines. Search engines impose certain requirements on websites, which only multiply every year, and if you have not decided to deliberately close the site from indexing, you should adhere to these requirements. Continue reading

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

Silent installation of applications (silent install)

Silent installation is such a process in which you sit quietly and look at the screen where the software installation process takes place without your participation, provided that it is generally visible. At the same time, the installer does not bother you with questions like Do you agree with the license agreement ?. Installation options are used by default. those. those that the installer offers when installing the software in the usual way.

The disadvantages of a silent installation include all kinds of panels in browsers and E-Bay tags on the desktop, since most of these bonuses are included in the installation by default. But this is rather an exception, although not rare. Read more about silent installation in this article. Continue reading

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Why does the computer not see the USB flash drive? 8 reasons
Sometimes at the most inopportune moment, when it is urgent to remove information from a USB flash drive to a PC, the computer refuses to see the new device. It…

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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…

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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…

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Apple iPhone OS
Preamble: Recently, all sorts of mobile and, especially fashionable, cloud technologies have captured the attention of mankind. Desktops and laptops faded into the background, giving way to more compact and…

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