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.

The Xen hypervisor supports the Raspberry Pi 4 board.

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The developers of the Xen project have announced the implementation of the ability to use the Xen Hypervisor on Raspberry Pi 4 boards. The adaptation of Xen to work on previous versions of Raspberry Pi boards was hindered by the use of a non-standard interrupt controller that did not support virtualization. The Raspberry Pi 4 uses a standard GIC-400 interrupt controller, which is supported in Xen, and the developers expected that there would be no issues booting Xen […]

Vulnerabilities in PowerDNS Authoritative Server

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Updates for the authoritative DNS server PowerDNS Authoritative Server 4.3.1, 4.2.3, and 4.1.14 are available, which fix four vulnerabilities, two of which could potentially lead to remote code execution by an attacker. The vulnerabilities CVE-2020-24696, CVE-2020-24697, and CVE-2020-24698 affect the code implementing the GSS-TSIG key exchange mechanism. The vulnerabilities only manifest when PowerDNS is built with GSS-TSIG support ("--enable-experimental-gss-tsig", which is not enabled by default) […]

Windows Terminal Preview 1.4: Tabs list, Blink support, and hyperlinks

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We're back with another update for Windows Terminal Preview, which will be available in Windows Terminal this October. Both builds of Windows Terminal can be downloaded from the Microsoft Store or the releases page on GitHub. Check below to find out the latest features! Tabs list Now you can launch Windows Terminal Preview with a specific profile from the Start menu or with […]

What are flash drives with hardware encryption for?

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Hello, Habr! In the comments on one of our articles about flash drives, readers posed an interesting question: “Why do we need a flash drive with hardware encryption when we have TrueCrypt?”, and even expressed some concerns about “How can we be sure that there are no backdoors in the software and hardware of the Kingston drive?”. We provided concise answers to these questions, but then decided to […]

The Fedora 33 distribution has entered beta testing.

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The beta testing of Fedora 33 has begun. This beta release marks the transition to the final testing phase, during which only critical bug fixes are allowed. The release is scheduled for the end of October. It includes Fedora Workstation, Fedora Server, Fedora Silverblue, Fedora IoT, and Live builds provided in the form of spins with desktop environments such as KDE Plasma 5, Xfce, MATE, Cinnamon, LXDE, and LXQt. The builds are prepared for […]

Can we generate random numbers if we don’t trust each other? Part 1

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Hello, Habr! In this article, I will discuss the generation of pseudo-random numbers among participants who do not trust each other. As we will see below, implementing a “nearly” good generator is quite simple, while creating a very good one is challenging. Why is it necessary to generate random numbers for participants who do not trust each other? One application area is decentralized applications. For example, an application that […]

Autoscaling Kubernetes applications using Prometheus and KEDA

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Balloon Man by Cimuanos Scalability is a key requirement for cloud applications. With Kubernetes, scaling an application is as simple as increasing the number of replicas for the corresponding deployment or ReplicaSet—but it is a manual process. Kubernetes allows you to automatically scale applications (that is, Pods in a deployment or ReplicaSet) declaratively using the Horizontal Pod Autoscaler specification. By default […]

Release of the free emulator of classic quests ScummVM 2.2.0

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The release of the free cross-platform interpreter for classic quests, ScummVM 2.2.0, has been announced. This allows the execution of many classic games on platforms for which they were not originally intended, replacing executable files for games. The project's code is distributed under the GPLv2 license. It supports running over 250 quests and around 1600 interactive text games, including titles from LucasArts, Humongous Entertainment, Revolution […]

Release of Display Server Mir 2.1

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The release of the Mir 2.1 display server has been introduced, which is still being developed by Canonical, despite the abandonment of the Unity shell and the Ubuntu edition for smartphones. Mir remains in demand for Canonical's projects and is now positioned as a solution for embedded devices and the Internet of Things (IoT). Mir can be used as a compositing server for Wayland, allowing it to run in environments […]

Release of the distribution for gaming Ubuntu GamePack 20.04

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The Ubuntu GamePack 20.04 build is now available for download, including tools to run more than 85,000 games and applications, both specifically designed for the GNU/Linux platform and Windows games that can be run using PlayOnLinux, CrossOver, and Wine, as well as classic MS-DOS games and games for various consoles (Sega, Nintendo, PSP, Sony PlayStation, […]

An overview of the most democratic SD-WAN: architecture, setup, administration, and pitfalls

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Given the number of questions we've been receiving about SD-WAN, the technology seems to be gaining substantial traction in Russia. Vendors, of course, are not idle and are offering their concepts, while some bold pioneers are already implementing them in their networks. We work with almost all vendors, and over the years in our lab, I've had the chance to delve into the architecture of each major […]

Learning together with Check Point

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Greetings to the readers of our blog from TS Solution. Autumn has arrived, which means it's time to learn and discover something new. Our regular audience knows well that we pay great attention to products from Check Point, offering a wide range of solutions for comprehensive protection of your infrastructure. Today, we will gather recommended and accessible article series in one place […]

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