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.

HighLoad++, Mikhail Makurov, Maxim Chernytsov (Interconnection): Zabbix, 100kNVPS on a single server

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The next HighLoad++ conference will take place on April 6-7, 2020, in Saint Petersburg. Details and tickets can be found at the link. HighLoad++ Moscow 2018. Hall 'Moscow'. November 9, 15:00. Theses and presentation. * Monitoring — online and analytics. * Main limitations of the ZABBIX platform. * Solutions for scaling the analytics storage. * Optimization of the ZABBIX server. * UI optimization. * Operational experience […]

Data backup using FreeFileSync and 7-zip

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The background, so to speak: Fujitsu rx300 s6 server, RAID6 made of 6 1TB disks, running XenServer 6.2, hosting several servers, including Ubuntu with multiple shares, 3.5 million files, 1.5TB of data, all gradually growing and bloating. The task: to set up data backup from the file server, partly on a daily basis, partly weekly. We have a Windows machine for backup with RAID5 […]

Robobeasts, lesson plans and new details: overview of the LEGO Education SPIKE Prime set

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Robotics is one of the most interesting and groundbreaking school subjects. It teaches how to create algorithms, gamifies the learning process, and introduces children to programming. In some schools, informatics has been taught as early as the first grade, where students learn to assemble robots and create flowcharts. To help children easily understand robotics and programming, and delve deeper into mathematics and physics in middle school, we released a new […]

A brief comparison of SDS architecture or finding the right storage platform (GlusterVsCephVsVirtuozzoStorage)

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This article is written to help you choose the right solution for you and understand the differences between SDS options such as Gluster, Ceph, and Vstorage (Virtuozzo). The text contains links to articles with a more detailed discussion of specific issues, so descriptions will be as concise as possible, focusing on key points without unnecessary details or introductory information that you […]

Profession: System Administrator

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Often, we hear from the older generation the magical words about the 'single entry in the employment record.' Indeed, we've encountered truly astounding stories: a locksmith — a highest-category locksmith — a shop master — a shift supervisor — a chief engineer — a factory director. This certainly impresses our generation, which changes jobs once or twice, sometimes […]

Our experience in developing a CSI driver in Kubernetes for Yandex.Cloud

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We are pleased to announce that the company 'Flant' is enhancing its contribution to Open Source tools for Kubernetes by releasing an alpha version of the CSI (Container Storage Interface) driver for Yandex.Cloud. But before moving on to the implementation details, let's address the question of why this is even needed when Yandex already offers a Managed Service for Kubernetes. Introduction: Why is this needed? Within our company, since […]

OpenWrt 19.07.1 update addressing a vulnerability allowing package substitution

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Corrective releases of the OpenWrt distribution 18.06.7 and 19.07.1 have been published, which fix a critical vulnerability (CVE-2020-7982) in the opkg package manager, allowing for a MITM attack and the substitution of content downloaded from the repository package. Due to an error in the checksum verification code, an attacker can create conditions under which the SHA-256 checksums present in the package index signed with a digital signature will be ignored, allowing for […]

Release of the open game engine Godot 3.2

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After 10 months of development, the release of the free game engine Godot 3.2 has been launched, suitable for creating both 2D and 3D games. The engine supports an easy-to-learn game logic scripting language, a graphical environment for game design, one-click game deployment, extensive animation and physics simulation capabilities, a built-in debugger, and a performance bottleneck detection system. Game code […]

GTKStressTesting — a new application for stress testing on Linux

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Looking to conduct stress testing on Linux but unsure how? Now anyone can do it with the new GTKStressTesting application! The main feature of the application is its intuitive interface and informative design. All necessary information about your computer (CPU, GPU, RAM, etc.) is gathered on one screen. You can also select the type of stress test from this screen. A small benchmark is also available. Key features […]

Release of WINE 5.0

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The WINE team is pleased to present the stable release of Wine 5.0. This release includes over 7,400 changes and fixes. Key changes: Built-in modules in PE format. Support for multiple monitors. Revamped sound API XAudio2. Support for graphics API Vulkan 1.1. This release is dedicated to the memory of Józef Kucia, who tragically passed away at the age of 30 during research […]

Qt Company announced a change in the licensing model of the Qt framework.

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Official Statement from the Qt Project In order to maintain the continuous growth necessary for keeping Qt relevant as a development platform, Qt Company believes it is essential to make some changes: A Qt account will be required to install Qt binaries Long-term support (LTS) releases and offline installers will be available only for commercial licensees A new Qt offering for startups and small businesses will be introduced […]

The TFC Project develops a paranoid secure messaging system.

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As part of the TFC (Tinfoil Chat) project, an attempt has been made to create a prototype of a paranoid-secure messaging system that would maintain the confidentiality of correspondence even when end devices are compromised. To simplify auditing, the project's code is written in Python and is available under the GPLv3 license. Currently popular messaging systems using end-to-end encryption allow for protection against interception on intermediate servers.

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