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Microsoft has implemented memory reclaiming in WSL2 (Windows Subsystem for Linux)

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Microsoft has announced an expansion of the capabilities of the WSL2 (Windows Subsystem for Linux) layer, which enables the execution of Linux executable files in Windows. Experimental builds of Windows Insider (build 19013) now feature support for memory reclamation returned to the system, which is freed by processes running in the Linux kernel-based environment. Previously, in cases where memory consumption increased due to applications or the kernel, memory […]

The project for translating the OpenBSD documentation into Russian.

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In 2014, project leader Theo de Raadt of OpenBSD stopped supporting translations of all documentation and the website. The reason for this decision was the continuous lag of translations behind changes in the original documentation. Alexander Naumov, one of the authors of previous translations of OpenBSD documentation, decided to revitalize the project to support current OpenBSD documentation in Russian. Currently, a large portion has been translated […]

Wisdom Teeth: To Remove or Not to Remove

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Dear friends, today I invite you to discuss wisdom teeth. Specifically, let's talk about the most complex and least understood topic — the indications for their removal. Throughout history, many jokes, superstitions, legends, and frightening stories have been associated with the eighth teeth (third molars or "wisdom teeth"). This mythology is widespread not only among ordinary people, but […]

Five Key Questions for Retail During Migration to Our Cloud Services

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What questions would retailers like X5 Retail Group, Open, Auchan, and others have when transitioning to Cloud4Y? Retailers are facing challenging times. Consumer habits and demands have changed significantly over the last decade. Online competitors are about to start closing in. Generation Z shoppers want a simple and functional profile to receive personalized offers from stores and brands. They use […]

The new nanoporous material promises to enhance batteries and catalysts

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The Belgian research center Imec announced the development of an affordable technology for producing nanoporous material with outstanding qualities. The unique material, in the form of a nano-porous structure, possesses extremely high porosity and an unprecedented surface-to-volume ratio. Imagine a small can of soda, 75% of which is empty space with a total surface area equivalent to a football field. Moreover, the production of the material is quite straightforward […]

Situation: virtual GPUs are not inferior in performance to hardware solutions.

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In February, a conference on high-performance computing (HPC) took place at Stanford. VMware representatives shared that when working with GPUs, a system based on a modified ESXi hypervisor performs comparably to bare metal solutions. We discuss the technologies that made this possible. / photo Victorgrigas CC BY-SA Performance Issue According to analysts, about 70% of workloads in data centers are virtualized. […]

Configuring 802.1X on Cisco Switches Using Redundant NPS (Windows RADIUS with AD)

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Let's look into the practical use of Windows Active Directory + NPS (2 servers for redundancy) + the 802.1x standard for access control and user authentication – domain computers – devices. You can refer to the theory regarding the standard in Wikipedia, at the following link: IEEE 802.1X. Since my 'laboratory' is resource-limited, I will combine the roles of NPS and domain controller, but […]

User Documentation: What Makes It Bad and How to Fix It

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Software documentation is just a collection of articles. But even they can be frustrating. First, you spend a long time looking for the right instruction. Then, you try to make sense of the incomprehensible text. You follow the instructions, but the problem remains unsolved. You search for another article, getting more and more anxious… After an hour, you give up and walk away. That's how poor documentation works. What makes it so bad, and how can it be improved […]

New World Record for Calculating Pi: 31.4 Trillion Digits

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The Bailey–Borwein–Plouffe formula allows you to extract any specific hexadecimal or binary digit of the number pi without calculating the preceding ones (the current record was set using the Chudnovsky algorithm, see below). The Google Compute Engine computational cluster calculated the largest number of digits in pi over 121 days using 25 virtual machines, establishing a new world record: 31.4 trillion digits […]

Speeding up File I/O in C/C++ Without Too Much Effort

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Preface There exists a simple yet highly useful utility in the world — BDelta, which has long been embedded in our production process (though I couldn't install its version, it was certainly not the latest available). We use it for its intended purpose — building binary patches. Looking at what's in the repository, it becomes a bit […]

Flightradar24 — how does it work?

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Probably everyone who has ever seen off or accompanied relatives or friends on a plane has used the free service Flightradar24. It's a very convenient way to track a plane's position in real-time. As a survey of acquaintances showed, very few people know that this service is supported only by enthusiasts who send data to the server. Even fewer know that anyone interested can join the project. […]

Acer TravelMate X514-51 — a 14” laptop weighing less than a kilogram for business professionals.

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Acer has announced the TravelMate X514-51 business laptop powered by Windows 10 Pro, marketed as one of the thinnest and lightest laptops on the market. Its body thickness is 15 mm, and it weighs 980 grams. The TravelMate X514-51 is made from a magnesium-lithium and magnesium-aluminum alloy, which is stronger than aluminum while being significantly lighter. The TravelMate X514-51 features a 14-inch […]

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