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 MX Linux 19.2 Distribution

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The release of the lightweight MX Linux 19.2 distribution has taken place, created through the collaborative efforts of communities formed around the antiX and MEPIS projects. This release is based on a Debian package base with enhancements from the antiX project and numerous proprietary applications that simplify software setup and installation. By default, the Xfce desktop is offered. 32-bit and 64-bit builds are available for download, with a size of 1.5 GB […]

"Database as Code" Experience

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SQL, what could be simpler? Each of us can write a simple query — we type select, list the necessary columns, then from, the table name, a few conditions in where, and voila — we have useful data in our pocket, almost regardless of which DBMS is running under the hood (or maybe it's not even a DBMS at all). In […]

Release of web browser qutebrowser 1.12.0

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The release of the web browser qutebrowser 1.12.0 has been published, providing a minimal graphical interface that does not distract from viewing content, along with navigation styled like the Vim text editor, built entirely on keyboard shortcuts. The code is written in Python using PyQt5 and QtWebEngine. The source code is distributed under the GPLv3 license. The use of Python does not affect performance, as rendering and parsing content […]

A fully free version of the Linux-libre kernel 5.7 is available

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The Latin American Free Software Foundation has released a fully free version of the 5.7 kernel — Linux-libre 5.7-gnu, cleaned of firmware elements and drivers containing proprietary components or sections of code with restricted usage by the manufacturer. Additionally, Linux-libre disables kernel features for loading proprietary components not included with the kernel and removes mentions of using proprietary components from the documentation. For […]

Release of the LibreSSL 3.2.0 cryptographic library

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The developers of the OpenBSD project have released a portable edition of the LibreSSL 3.2.0 package, which is a fork of OpenSSL aimed at achieving a higher level of security. The LibreSSL project focuses on providing quality support for SSL/TLS protocols by removing unnecessary functionality, adding additional security measures, and conducting significant cleanup and restructuring of the codebase. The release of LibreSSL 3.2.0 is considered experimental, in which […]

Issue with Sectigo Certificates After May 30, 2020, and Its Resolution Method

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On Saturday, May 30, 2020, an initially unclear problem arose with popular SSL/TLS certificates from the vendor Sectigo (formerly Comodo). The certificates themselves continued to function normally; however, one of the intermediate CA certificates in the chains provided with these certificates had 'expired.' The situation was not fatal, but it was unpleasant: current versions of browsers detected nothing wrong, but a large […]

Basics of ZFS: storage system and performance

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This spring, we already discussed some introductory topics, such as how to check the speed of your disks and what RAID is. In the latter, we even promised to continue exploring the performance of various multi-disk topologies in ZFS. This is a next-generation file system that is now being implemented everywhere: from Apple to Ubuntu. So, today is the perfect day to get acquainted […]

Qualcomm has introduced the FastConnect 6900 and 6700 modules: supporting Wi-Fi 6E and speeds of up to 3.6 Gbps

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California-based Qualcomm is moving forward, aiming not only to strengthen its leadership in the 5G market but also to cover new frequency ranges. Today, Qualcomm introduced two new systems on a chip, the FastConnect 6900 and 6700, which are expected to elevate the bar for the next generation of mobile devices in terms of increasing Wi-Fi and Bluetooth speeds. As promised by […]

Possible database leak of the Joomla project user base

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The developers of the free content management system Joomla have warned of the discovery of full backup copies of the site resources.joomla.org in a third-party storage, which included a database of users from the JRD (Joomla Resources Directory). The backups were not encrypted and included data on 2,700 participants registered on the resources.joomla.org site, where information about developers and providers creating websites based on Joomla is gathered. […]

Linux kernel release 5.7

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After two months of development, Linus Torvalds has released the Linux kernel 5.7. Among the most notable changes are: a new implementation of the exFAT file system, a bareudp module for creating UDP tunnels, pointer authentication protection for ARM64, the ability to attach BPF programs to LSM handlers, a new implementation of Curve25519, a 'split-lock' detector, BPF compatibility with PREEMPT_RT, removal of the 80-character line limit in code, accounting of […]

Using Docker Multi-Stage for Building Windows Images

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Hello everyone! My name is Andrew, and I work as a DevOps engineer at Exness in the development team. My main activities involve building, deploying, and supporting applications in Docker under the Linux operating system (hereinafter referred to as the OS). Recently, I was tasked with similar activities, but the target OS for the project became Windows Server […]

Raspberry Pi Performance: Adding ZRAM and Adjusting Kernel Parameters

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A couple of weeks ago, I published a review of the Pinebook Pro. Since the Raspberry Pi 4 is also based on ARM, some of the optimizations mentioned in the previous article are quite suitable for it. I would like to share these tips and see if you experience similar performance improvements. After setting up the Raspberry Pi in my home server, I noticed that […]

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