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.

During the Meow attack, around 4000 publicly available Elasticsearch and MongoDB databases were deleted.

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The "Meow" attack continues to gain momentum, during which unknown attackers are destroying data in publicly available unprotected installations of Elasticsearch and MongoDB. Isolated cases of cleaning (approximately 3% of all victims) have also been recorded for unprotected databases based on Apache Cassandra, CouchDB, Redis, Hadoop, and Apache ZooKeeper. The attack is carried out through a bot that scans standard database network ports. The study […]

Introduction to Smart Contracts

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In this article, we will explore what smart contracts are, the different types that exist, familiarize ourselves with various smart contract platforms and their features, as well as discuss how they work and the advantages they may offer. This material will be very useful for readers who are not very familiar with the topic of smart contracts but want to get closer to understanding it. Regular contract vs. smart contract […]

Pi-KVM — an open project for a KVM switch on Raspberry Pi

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The first public release of the Pi-KVM project has taken place — a set of programs and instructions that allows you to turn a Raspberry Pi board into a fully functional IP-KVM switch. The board connects to the HDMI/VGA and USB ports of the server, enabling remote management regardless of the operating system. You can power on, power off, or reboot the server, configure the BIOS, and even completely reinstall the operating system from a bootable image: Pi-KVM can emulate […]

Update of the window manager xfwm4 4.14.3

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The release of the window manager xfwm4 version 4.14.3 has been published, which is used in the Xfce desktop environment to manage window display on the screen, decorate windows, and organize their movement, closing, and resizing. The new release adds support for the X11 extension XRes (X-Resource), which is employed to request information about the PID of an application running using sandbox isolation mechanisms from the X server. The support for XRes addresses the issue […]

fheroes2 0.8

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A heroic hello to all fans of the game 'Heroes of Might and Magic 2'! I'm happy to announce that the free engine has been updated to version 0.8! This release was dedicated to the unequal struggle for improving the graphical component, which has ultimately undergone significant enhancements on all fronts: missing animations for units, spells, and heroes have been fixed and added, and spell animations that were previously absent have been recreated […]

The translation of the podcast transcript was prepared ahead of the start of the course "Linux Administrator"

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The first public release of the Pi-KVM project has taken place: a set of software and instructions that allow you to turn a Raspberry Pi into a fully functional IP-KVM. This device connects to the HDMI/VGA and USB ports of the server to manage it remotely, regardless of the operating system. You can power on, power off, or reboot the server, configure the BIOS, and even fully reinstall the operating system from a loaded image: Pi-KVM can emulate a virtual […]

Docker Compose: From Development to Production

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The translation of the podcast transcription has been prepared in anticipation of the launch of the "Linux Administrator" course. Docker Compose is an amazing tool for creating a working environment for the stack used in your application. It allows you to define each component of your application using a clear and simple syntax in YAML files. With the advent of Docker Compose v3, these YAML files can be directly used in the production environment, […]

Pi-KVM — an open IP-KVM project on Raspberry Pi

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Despite the abundance of data almost everywhere, analytical databases are still quite exotic. They are poorly understood and even worse utilized effectively. Many continue to 'bite the bullet' with MySQL or PostgreSQL, which are designed for different scenarios, struggle with NoSQL, or overpay for commercial solutions. ClickHouse changes the game and significantly lowers the entry barrier to […]

Distributed Databases for the Enterprise

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The CAP theorem is a cornerstone of distributed systems theory. Naturally, debates surrounding it persist: its definitions are not canonical, and there is no strict proof... Nevertheless, firmly grounded in common sense™, we intuitively understand that the theorem is valid. The only unclear part is the meaning of the letter 'P'. When a cluster splits, it decides—this […]

Analysis of merge requests in GitLab using PVS-Studio for C#

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Do you love GitLab and hate errors? Want to improve the quality of your source code? Then you've come to the right place. Today we will explain how to set up the C# PVS-Studio analyzer for checking merge requests. Wishing everyone a unicorn mood and enjoyable reading. PVS-Studio is a tool for detecting bugs and potential vulnerabilities in source code written in C, C++, C#, and […]

Chrome has added support for lazy loading of iframe blocks

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Developers of the Chrome browser have reported an expansion of tools for lazy loading elements of web pages, allowing content that is outside the visible area not to load until the user scrolls to the point immediately preceding the element. Previously, this mode had already been implemented in Chrome 76 and Firefox 75 for images. Now, Chrome developers have taken another step and […]

Release of the photo management software digiKam 7.0

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After a year of development, the release of the photo collection management program digiKam 7.0.0 has occurred, which is being developed as part of the KDE project. The program provides a comprehensive set of tools for importing, managing, editing, and publishing photos, as well as images from digital cameras in raw format. The code is written in C++ using Qt and KDE libraries and is distributed under the GPLv2 license. Installation […]

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