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.

Fuzzy induction method and its application for knowledge and information systems modeling

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This article presents a method of fuzzy induction developed by the author, integrating concepts from fuzzy mathematics and fractal theory. It introduces the notion of the recursion degree of a fuzzy set and provides a description of the incomplete recursion of a set as its fractional dimension for modeling a subject area. As an application domain for the proposed method and the knowledge models created based on it as fuzzy sets, we consider life cycle management […]

DNS Lookup in Kubernetes

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Note from the translator: The DNS issue in Kubernetes, specifically regarding the ndots parameter, has surprisingly gained popularity and has been relevant for quite some time. In another note on this topic, its author — a DevOps engineer from a large brokerage firm in India — explains succinctly what is important for colleagues working with Kubernetes to know. One of the main […]

The Play Store app now supports dark mode

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According to online sources, Google plans to add a dark mode option to the Play Store digital content store. Currently, this feature is available to a limited number of smartphone users running Android 10. Previously, Google implemented a system-wide dark mode in the mobile OS Android 10. Once activated in the device settings, applications and services such as […]

Release GhostBSD 20.02

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The release of the desktop-oriented GhostBSD 20.02 distribution is now available, built on the TrueOS platform and featuring the MATE desktop environment. By default, GhostBSD uses the OpenRC initialization system and the ZFS file system. It supports both Live mode operation and installation on a hard drive (using its own installer ginstall, written in Python). Boot images are provided for the x86_64 architecture (2.2 GB). […]

Release wayland-protocols 1.20

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The release of the wayland-protocols package 1.20 is now available, containing a set of protocols and extensions that enhance the capabilities of the base Wayland protocol and provide essential features for building composite servers and desktop environments. Release 1.20 was generated almost immediately after 1.19 due to the exclusion of certain files (README.md, GOVERNANCE.md, MEMBERS.md) from the archive. The new version updates the xdg-shell protocol, adding the ability to change the position […]

SystemRescueCd 6.1.0

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On February 29, the release of SystemRescueCd 6.1.0 took place — a popular live distribution based on Arch Linux for data recovery and partition management. Changes: The kernel has been updated to version 5.4.22 LTS. The tools for working with the btrfs filesystem have been updated to btrfs-progs 5.4.1, xfsprogs 5.4.0, and xfsdump 3.1.9. The keyboard layout settings have been fixed. A kernel module and tools for Wireguard have been added. Download (692 MiB) Source: […]

Let’s Encrypt has issued a billion certificates.

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On February 27, 2020, the free certification authority Let’s Encrypt issued its billionth certificate. In a celebratory press release, project representatives recall that the previous milestone of 100 million issued certificates was celebrated in June 2017. At that time, the share of HTTPS traffic on the internet was 58% (64% in the USA). In the two and a half years since, these figures have significantly increased: “Today, 81% of pages loaded worldwide […]

Modern solutions for building information security systems — Network Packet Brokers

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Information security has separated from telecommunications into an independent industry with its own specifics and equipment. However, there is a little-known class of devices at the intersection of telecom and information security – Network Packet Brokers, also known as load balancers, specialized/monitoring switches, traffic aggregators, Security Delivery Platforms, Network Visibility, and so on. And for us, as a Russian developer and manufacturer […]

Vulnerability in Apache Tomcat that allows JSP code injection and access to web application files.

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Researchers from the Chinese company Chaitin Tech have identified a vulnerability (CVE-2020-1938) in Apache Tomcat, the open-source implementation of Java Servlet, JavaServer Pages, Java Expression Language, and Java WebSocket technologies. The vulnerability has been assigned the codename Ghostcat and a critical severity level (9.8 CVSS). The problem allows, in the default configuration, access to the contents of any files in the directory by sending a request over network port 8009 […]

Release of DXVK 1.5.5, a Direct3D 9/10/11 implementation over the Vulkan API

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The release of the DXVK 1.5.5 layer has been formed, providing an implementation of DXGI (DirectX Graphics Infrastructure), Direct3D 9, 10, and 11, working through call translation to the Vulkan API. To use DXVK, drivers supporting Vulkan API 1.1 are required, such as AMD RADV 18.3, NVIDIA 415.22, Intel ANV 19.0, and AMDVLK. DXVK can be used to run 3D applications and games in […]

Release JPype 0.7.2, a library for accessing Java classes from Python

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The release of the JPype 0.7.2 layer is now available, allowing full access for Python applications to Java class libraries. With JPype, specific Java libraries can be used from Python, creating hybrid applications that combine Java and Python code. Unlike Jython, integration with Java is achieved not by creating a Python variant for the JVM, but through interaction in […]

Release of Rakudo Star 2019.03, the distribution of the Raku language (formerly Perl 6)

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The Rakudo Star 2020.01 package is released, including the Rakudo compiler, MoarVM virtual machine, documentation, modules, and tools necessary for development in the Raku language (the new name for Perl 6 after renaming). The compiler conforms to the Raku v6.d specification, except for support for advanced macros, non-blocking I/O, and a number of minor features that are planned to be made functional in future releases. In […]

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