A collection of charts and results from various studies with brief annotations. I spotted a chart by German Kaplun on Facebook titled "Online Supermarkets — It’s Just the Beginning." Russia is not listed, but if we compare the revenues of "Utkonos," Instamart, and iGooods with X5 Retail Group or "Magnit," it becomes clear that we are somewhere near Brazil and India. But […]
The task of increasing the communication range with unmanned aerial vehicles (UAVs) remains relevant. This article examines methods to improve this parameter. The article is written for developers and operators of UAVs and is a continuation of a series of articles on communication with UAVs (the beginning of the series can be found in [1]. What affects the communication range The communication range depends on the modem used, antennas, antenna cables, […]
In 2019, every household had heard of Ryzen processors. Indeed, chips based on the Zen architecture turned out to be very successful. The Ryzen 3000 series desktop processors are well-suited both for building a gaming system and for assembling powerful workstations. We see that, when it comes to AM4 and sTRX4 platforms, AMD is practically […]
The release of Zulip 2.1 has been introduced, a server platform for deploying corporate messengers suitable for facilitating communication among employees and development teams. The project was originally developed by Zulip and was made open-source after its acquisition by Dropbox under the Apache 2.0 license. The server-side code is written in Python using the Django framework. The client software is available for Linux, Windows, macOS, Android, and […]
Testing has begun on the first release candidate for Wine 5.0, an open implementation of the Win32 API. The codebase has been frozen in preparation for the release, which is expected by the end of December or early January. Compared to the Wine 4.21 release, 37 bug reports have been closed and 475 changes have been made. The most significant changes include: The Wine Gecko rendering engine, which is used in the library […]
For monitoring servers and services, we have long been using, and still successfully use, a combined solution based on Nagios and Munin. However, this combination has several drawbacks, which is why we, like many others, actively utilize Zabbix. In this article, we will discuss how to address performance issues with minimal effort as the number of metrics being collected increases […]
According to Russian laws, any company that handles personal data of its users in Russia becomes a data operator, whether it wants to or not. This imposes a number of formal and procedural obligations on it that not every business can or wants to bear alone. As practice shows, it's completely reasonable not to want to, because this field of knowledge is still so new […]
John Martinson announced the release of Robolinux 10.6, the latest update of the Ubuntu-based distribution with built-in VirtualBox for operating systems other than Linux. This release is aimed at users of Microsoft Windows 7, whose support ends next month. As Windows 7 reaches its end of life on January 14, 2020, Robolinux anticipates a surge of new Linux users, […]
Doesn’t it seem strange that when you are about to change your job and need to go through an interview, your first thought is, "I need to prepare for the interview"? You might want to solve problems on HackerRank, read Crack the Coding Interview, or memorize how ArrayList works and how it differs from LinkedList. Oh, and they might also ask about sorting algorithms, definitely […]
Translated note: Service mesh is a phenomenon that still lacks a stable translation into Russian (over 2 years ago, we suggested the term 'service grid', and later some colleagues began promoting the combination 'service sieve'). Ongoing discussions about this technology have led to a situation where the marketing and technical components are too closely intertwined. This remarkable […]
Regarding the searches at nginx's office and the arrest of Igor Sysoev, a detailed analysis has already been made on Habr. I'm discussing the same topic, but from a different perspective… What is happening, folks? Look at how journalists have rallied behind Golunov. Are we any worse? This is utter madness, or just pure disgrace. It seems like the lines have been blurred, […]
Hello, habr. If someone is running the graphite-web system and has encountered performance issues with the whisper storage (IO, disk space consumption), the likelihood of having looked at ClickHouse as a replacement should approach one. This statement implies that a third-party implementation, such as carbonwriter or go-carbon, is already being used as the metric receiver. ClickHouse addresses […]