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 the real-time embedded system Embox 0.4.1

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On April 1, version 0.4.1 of the free, BSD-licensed real-time operating system for embedded systems, Embox, was released: functionality on Raspberry Pi has been restored. Support for the RISC-V architecture has been improved. Support for the i.MX 6 platform has been enhanced. EHCI support has been significantly improved, including for the i.MX 6 platform. The file subsystem has undergone extensive rework. Lua support has been added for STM32 microcontrollers. Network support has been added […]

WordPress 5.4 Release

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Version 5.4 of the WordPress content management system, named 'Adderley' after jazz musician Nat Adderley, is now available. The main changes concern the block editor: the selection of blocks and their configuration options have been expanded. Other changes include increased performance; a simplified control panel interface; added privacy settings; and important changes for developers: menu parameter modifications that previously required editing are now accessible 'from […]

Expanding nested columns — lists using R (tidyr package and unnest family functions)

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In most cases when working with responses received from an API, or with any other data that has a complex tree structure, you encounter JSON and XML formats. These formats have many advantages: they store data quite compactly and help avoid excessive information duplication. A downside of these formats is the complexity of processing and analysis. Unstructured data is impossible […]

R package tidyr and its new pivot_longer and pivot_wider functions

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The tidyr package is part of one of the most popular libraries in R — tidyverse. The main purpose of the package is to tidy up data. There is already a publication on Habr dedicated to this package, but it dates back to 2015. I want to discuss the most relevant changes announced a few days ago by its author, Hadley Wickham. […]

Intel Core i9-10900K outperformed the Core i9-9900K by 30% in Geekbench 5

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As the launch date for Intel Comet Lake-S desktop processors approaches, more preliminary information is emerging online that reveals details about their performance. One of the latest leaks was published by user Tum_Apisak, who found benchmarking results for the rumored Core i9-10900K in the Geekbench 5 database. The i9-10900K is expected to succeed the i9-9900K, from which […]

Fedora and CentOS launch Git Forge. GitLab introduces 18 proprietary features

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The CentOS and Fedora projects have announced their decision to create a collaborative development service called Git Forge, which will be built using the GitLab platform. GitLab will serve as the primary platform for interacting with Git repositories and for hosting projects related to the CentOS and Fedora distributions. The previously used Pagure service will continue to exist but will be handed over to the community interested in ongoing development. […]

Configuring Microsoft Windows Server 2016/2019 to provide DHCP services for VXLAN (DFA)

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The purpose of this article is to simplify the setup of the DHCP service for the VXLAN BGP EVPN and DFA factory using Microsoft Windows Server 2016/2019. According to official documentation, the DHCP service based on Microsoft Windows Server 2012 for the factory is configured as a SuperScope, containing a Loopback pool (in this pool, the highlight is the exclusion of all IP addresses from the pool (excluded IP […

Delegating management of RDP sessions

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In the organization where I work, remote work was generally prohibited. Until last week. Now, we had to urgently implement a solution. From the business side — adapting processes to the new work format, from us — PKI with PIN codes and tokens, VPN, detailed logging, and much more. Additionally, I was involved in setting up the remote desktop infrastructure aka […

Microsoft improved — usage of Azure increased by 775 %, but only for Teams, and that too in Italy

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Microsoft has corrected its earlier claim of a "775 percent increase in cloud services in regions where social distancing was implemented or self-isolation was recommended." Specifically, it revised a blog announcement and published a correction for the U.S. Securities and Exchange Commission. The updated message reads: "We are seeing an increase in calls and meetings from users in Teams […

A vulnerability in the Linux kernel that allows privilege escalation via BPF

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Information has been published about a vulnerability (CVE-2020-8835) in the Linux kernel, which was used in the Pwn2Own 2020 competition during the demonstration of a breach in Ubuntu. The vulnerability allowed a non-privileged user to gain root access. A working exploit exists but has not yet been published. The vulnerability is present in the eBPF subsystem, which allows handlers for tracing, performance analysis of subsystems, and traffic management to be executed within the kernel in a special virtual […

A distribution for creating network storage OpenMediaVault 5 is available

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Following nearly two years since the formation of the last significant branch, the release of OpenMediaVault 5 has taken place, aimed at the rapid deployment of Network-Attached Storage (NAS). The OpenMediaVault project was founded in 2009 after a split among developers of the FreeNAS distribution, resulting in a fork that, alongside the classic FreeNAS based on FreeBSD, aimed to […

Vulnerabilities in the auto-update mechanism of Apache NetBeans

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Information has been disclosed about two vulnerabilities in the automatic update delivery system for the integrated development environment Apache NetBeans, allowing for the substitution of updates and nbm packages delivered by the server. These issues were addressed discreetly in the release of Apache NetBeans 11.3. The first vulnerability (CVE-2019-17560) is due to the lack of SSL certificate and hostname verification when downloading data via HTTPS, enabling the unnoticed substitution of downloads […]

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