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HighLoad++, Andrey Gushchin (Zabbix): High performance and native partitioning

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We will explore the integration of Zabbix with TimescaleDB as a backend. We will demonstrate how to set it up from scratch and how to migrate from PostgreSQL. Additionally, we will present comparative performance tests of the two configurations. HighLoad++ Siberia 2019. Venue: Tomsk. June 24, 16:00. Abstracts and presentation. The next HighLoad++ conference will take place on April 6 and 7, 2020, in Saint Petersburg. Details and tickets at […]

Once again about DevOps and SRE

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Inspired by the discussion in the AWS Minsk Community chat, there has been a growing debate around the definitions of DevOps and SRE. Although these discussions have become somewhat repetitive, including for myself, I decided to present my perspective to the Habr community. For those interested, welcome […]

Using Astra Linux on an Embedded Computer with ARM Architecture

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New trends in the field of import substitution are forcing Russian companies to switch to domestic operating systems. One of these systems is the Russian OS based on Debian – Astra Linux. In the realm of government procurement, there are increasingly frequent requirements to use domestically produced software with FSTEC certificates, as well as its inclusion in the registry of domestic software. However, it should be noted that […]

The "Dungeons and Dragons" desktop helped me learn English

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In this article, we will tell the story of one of the employees at EnglishDom, who learned English through a rather unusual method — role-playing Dungeons & Dragons. Here and below, we present his story nearly unchanged. We hope you enjoy it. First, let me tell a little about Dungeons & Dragons for those who are hearing about this game for the first time. To summarize, […]

Microsoft is aware of the black screen issue in Windows 7

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As is known, support for Windows 7 ended on January 14, so Microsoft is no longer working on new patches for the system. The "posthumous" update of the OS has caused issues with wallpaper display. The cause was the patch numbered KB4534310, as confirmed in Redmond. It is reported that this update causes a crash if the "Stretch" option is used when setting wallpapers. The problem occurs on Windows […]

A visual guide to troubleshooting Kubernetes issues

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Trans. note: This article is part of the freely accessible materials of the learnk8s project, which educates companies and individual administrators on how to work with Kubernetes. In it, Daniele Polencic, the project leader, provides a clear guide on what steps to take in the event of common issues with applications running in a K8s cluster. TL;DR: here's a diagram that will help you […]

In the last two weeks, Mozilla has blocked 197 extensions for Firefox

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In the past two weeks, Mozilla has removed 197 add-ons from the addons.mozilla.org (AMO) directory that executed code loaded from third-party sites, transmitted sensitive data to external servers, engaged in malicious activities, or employed obfuscation methods. Among the removed add-ons, 129 were distributed by 2Ring, which specializes in B2B solutions. The specified add-ons were removed for loading and executing code from an external server (rules […]

Chrome Canary on Android has received support for Google Assistant

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A few days ago, it became known that Google is working on bringing Google Assistant to the Chrome browser on Android. This will allow the web browser to interact directly with the voice assistant. The assistant will be integrated into the browser's Omnibox. Currently, this feature is available in Chrome Canary, but there is no information on when it will be released. To activate Assistant in […]

Tracing and Monitoring in Istio: Microservices and the Principle of Uncertainty

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The Heisenberg Uncertainty Principle states that one cannot simultaneously measure an object's position and its velocity. If the object is in motion, it has no position. And if there is a position, then it has no velocity. As for microservices on the Red Hat OpenShift platform (and managed by Kubernetes), thanks to suitable open-source software, they can simultaneously report both […]

Do we need a data lake? And what about data storage?

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This article is a translation of my article on Medium — Getting Started with Data Lake, which turned out to be quite popular, probably due to its simplicity. Therefore, I decided to write it in Russian and add a bit more detail so that an ordinary person who is not a data specialist could understand what a data warehouse (DW) is and what a data lake […]

Who Wants to Make the Internet 'Common' and Why

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Concerns about data privacy, data leaks, and the growing 'power' of large IT corporations are increasingly troubling not only ordinary internet users but also representatives of various political parties. Some of these, such as supporters of leftist movements, propose radical approaches — from nationalizing the internet to transforming tech giants into cooperatives. Discussions are ongoing about what real steps can be taken in this direction for such 'restructuring' […]

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