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.

How access to pages distributing prohibited content is blocked (now the RKN also checks search engines)

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Before we proceed to describing the system responsible for filtering access by telecom operators, it is noteworthy that Roskomnadzor will also begin overseeing the operations of search engines. Earlier this year, a procedure for monitoring and a list of measures to ensure that search operators comply with the requirements to cease providing information about internet resources that are restricted in the territory of the Russian Federation was approved. The corresponding order from Roskomnadzor […]

The release schedule ahead of XFCE 4.14 has been announced.

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The release manager of the lightweight desktop environment XFCE, Simon Steinbeiss, published the planned schedule for the release of the preliminary and final versions of XFCE version 4.14 in the project’s mailing list. The development team will follow the traditional release model for the new version: three pre-releases will be released first, followed by the final stable build. The schedule is as follows: May 19: 4.14-pre1 June 30: 4.14-pre2 […]

Perl Weekly Challenge

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Fun competitions for Perl enthusiasts and anyone wanting to try their hand at black magic. Every week, two simple tasks are published. Participants can solve them or offer themselves as mentors to help beginners. The focus is on TIMTOWTDI. The organizer asks to avoid golf and JAPH; otherwise, 'Let a hundred flowers bloom.' A report will be written at the end highlighting the most interesting […]

Overview of Veeam Backup & Replication 9.5 Update 4

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At the end of January, Update 4 for Veeam Availability Suite 9.5 was released, packed with features akin to a major release. Today, I will briefly discuss the main innovations implemented in Veeam Backup & Replication, and I promise to write about Veeam ONE in the near future. This review will cover: the versions of systems and applications now supported by the solution working with […]

Release of Linux kernel 5.1

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After two months of development, Linus Torvalds has announced the release of Linux kernel 5.1. Among the most notable changes are: a new interface for asynchronous input/output (io_uring), the ability to use NVDIMM as RAM, Nouveau support for shared virtual memory, scalable monitoring of very large filesystems through fanotify, the ability to set Zstd compression levels in Btrfs, a new cpuidle TEO handler, and the implementation of system calls […]

Firefox 66.0.4 and 60.6.2 ESR releases address issues with disabled add-ons.

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Full corrective releases Firefox 66.0.4 and 60.6.2 ESR have been published, offering a fix for replacing the expired intermediate certificate and restoring disabled extensions. However, several unresolved side effects are noted: Some extensions, like Epubreader, do not restore in about:addons after the certificate update or remain in an unsupported state. This issue affects extensions without an identifier in the file […]

Corrective update for Firefox

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A corrective update for Firefox has been released, fixing the certificate issue and making disabled extensions, themes, search engines, and language packs available again. The update is available for Windows, Linux, and macOS (66.0.4 and 60.6.2 ESR) and Android (66.0.4). However, some problems remain unresolved (for example, some users report that investigations are included, but the extensions […]

9. Check Point Getting Started R80.20. Application Control & URL Filtering

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Welcome to lesson 9! After a short break for the May holidays, we continue our publications. Today we will discuss a topic that is no less interesting, namely — Application Control and URL Filtering. This is often the reason companies buy Check Point solutions. Need to block Telegram, TeamViewer, or Tor? That’s what Application Control is for. We will also cover […]

Application Centric Infrastructure. The network architecture of the future — from thoughts to action

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In recent years, Cisco has been actively promoting a new architecture for building data transmission networks in data centers — Application Centric Infrastructure (or ACI). Some are already familiar with it, while others have even implemented it in their enterprises, including in Russia. However, for most IT specialists and IT leaders, ACI remains either an unclear abbreviation or just […]

Visual programming for Sonoff Basic

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An article on how to create a programmable logic controller from a cheap Chinese device. Such a device will find its application both in home automation and as a practical exercise in school computer science. For reference, by default, the Sonoff Basic program works with a mobile application through a Chinese cloud service; after the proposed modifications, all further interactions with this device will become […]

Qualified electronic signature on macOS

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According to RBC and Tensor, in 2019, 4.6 million qualified electronic signature (QES) certificates that comply with the requirements of Federal Law 63-FZ will be issued in Russia. This means that out of 8 million registered individual entrepreneurs and limited liability companies, every second entrepreneur uses an electronic signature. In addition to QES for EGAIS and cloud QES for submitting reports, issued by banks and accounting services, there is particular interest in […]

Skirmions can provide multi-level magnetic recording

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The smallest magnetic vortex structures called skyrmions (named after the British theoretical physicist Tony Skyrme, who predicted this structure in the 1960s) promise to become the foundation of future magnetic memory. These are topologically stable magnetic formations that can be excited in magnetic films and then read in their state. Both writing and reading occur using spin currents […]

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