ProHoster > Articles on: Yuri Gagarin

Author: Yuri Gagarin

A technical specialist at ProHoster with over six years of experience in server administration, VPN solutions, and network security. I manage infrastructure setup and support, monitor service stability, and implement solutions to protect client data. I also contribute to performance optimization and compliance with modern security and privacy requirements.

Release of the IceWM window manager 1.8

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The release of the lightweight window manager IceWM 1.8 is now available. IceWM features full keyboard shortcut management, the ability to use virtual desktops, taskbars, and application menus. The window manager is configured through a quite simple configuration file, allowing for the use of themes. Built-in applets for monitoring CPU, memory, and traffic are available. Several third-party GUI tools for configuration and workspace implementation are being developed separately […]

The FreeBSD codebase has transitioned to using OpenZFS (ZFS on Linux)

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The implementation of the ZFS file system in the main branch of FreeBSD (HEAD) has been transitioned to using OpenZFS code, which develops the codebase of 'ZFS on Linux' as the reference version of ZFS. In spring, FreeBSD support was moved to the main OpenZFS project, after which all related changes to FreeBSD continued to be developed there, enabling FreeBSD developers to promptly implement changes into the system […]

Firefox 80

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Firefox 80 is now available. There is a new feature allowing users to set Firefox as the system's default PDF viewer. The loading and processing of lists of malicious and problematic extensions has been significantly sped up. This feature will be ported to the ESR version, as maintaining two different 'blacklist' formats is cumbersome, and the developers were unable to incorporate the change into the 78 release (on which the current ESR branch is based) due to a last-minute issue […]

Portable Nintendo consoles: from Game & Watch to Nintendo Switch

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For the last 40 years, Nintendo has been actively experimenting in the mobile gaming sector, testing various concepts and creating new trends that other console manufacturers quickly adopt. During this time, the company has produced numerous portable gaming systems, with hardly any being outright failures. The culmination of Nintendo's long-standing explorations was supposed to be the Nintendo Switch, but something […]

Enhancing Spark capabilities with MLflow

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Hello, Habr readers. As we mentioned, this month OTUS is launching two courses on machine learning: a basic and an advanced one. In connection with this, we continue to share useful material. The goal of this article is to discuss our first experience using MLflow. We will begin the review of MLflow with its tracking server and document all iterations of the study. Then we will share […]

InterSystems IRIS – a universal real-time AI/ML platform

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Author: Sergey Lukyanchikov, consultant engineer at InterSystems The Challenges of Real-Time AI/ML Computations Let’s start with examples from the Data Science practice of InterSystems: a 'burdened' customer portal is connected to an online recommendation system. There will be a restructuring of promotional campaigns across the retail network (for instance, instead of a 'flat' range of promotions, a 'segment-tactic' matrix will be used). What happens to the recommendation mechanisms? What happens to the submission and updating of data […]

The Linux kernel has turned 29 years old

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On August 25, 1991, after five months of development, 21-year-old student Linus Torvalds announced in the comp.os.minix newsgroup the creation of a working prototype of the new operating system Linux, marking the completion of the porting of bash 1.08 and gcc 1.40. The first public release of the Linux kernel was presented on September 17. Kernel 0.0.1 was 62 KB in compressed form and contained […]

Release of Armbian 20.08 distribution

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The release of the Linux distribution Armbian 20.08 has been presented, providing a compact operating environment for various single-board computers based on ARM processors, including different models of Odroid, Orange Pi, Banana Pi, pine64, Nanopi, and Cubieboard using Allwinner, Amlogic, Actionsemi, Freescale / NXP, Marvell Armada, Rockchip, and Samsung Exynos processors. The builds are based on Ubuntu 18.04 and Debian 10 repositories, […]

AWS CLI with MFA

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Next, you will find instructions for setting up AWS MFA, followed by the installation and configuration of AWS CLI. Unfortunately, this mandatory procedure took me half a workday. To help other uncertain AWS users 😉 like I was, not to waste precious time on the mundane, I decided to put together this guide. Even for a sandbox account, setting up MFA is usually […]

IDEF5 Methodology. Graphic Language

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Introduction This article is intended for those who are familiar with the concept of ontology at least at a basic level. If you are not familiar with ontologies, you may not understand the purpose of ontologies and this article in particular. I recommend familiarizing yourself with this phenomenon before starting to read this article (an article from Wikipedia might suffice). […]

Almost half of the traffic to root DNS servers is caused by Chromium activity.

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The registrar APNIC, responsible for the distribution of IP addresses in the Asia-Pacific region, has published the results of an analysis of traffic distribution on one of the root DNS servers a.root-servers.net. 45.80% of the queries to the root server were related to checks performed by browsers based on the Chromium engine. Thus, almost half of the resources of root DNS servers are spent on performing diagnostic checks for Chromium rather than processing requests from DNS servers during […]

Notes from a Data Scientist: A Personal Review of Query Languages

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I share from personal experience where and when it was useful. A general overview and bullet points to clarify what can be explored further — but this is based solely on my subjective personal experience, yours may be quite different. Why is it important to know and be able to work with query languages? In essence, there are several key aspects in Data Science [...]

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