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 release of the 3D modeling environment Blender 2.82 has been published.

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On February 14th, version 2.82 of the 3D modeling system Blender was released. Key innovations and changes include: the addition of a tool for simulating smoke, gas, fire, and liquids based on the Mantaflow framework. The flip-solver engine is used for liquid simulation. The image shows an example of its functionality. The gas inflation simulation system has been redesigned — including modeling 'bouncing' — deformation of […]

Kim Dotcom: caught in the net, the most wanted person online. Part 4

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For some, Kim Dotcom, the founder of the infamous file-sharing site "MegaUpload," is a criminal and internet pirate; for others, he is an unyielding advocate for personal data privacy. On March 12, 2017, the world premiere of a documentary film took place, featuring interviews with politicians, journalists, and musicians who know Kim "from all sides." New Zealand director Annie Goldson uses footage from personal archives to tell […]

VDI Cost Comparison: On-Premise Solution vs. Public Cloud

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Today we would like to discuss VDI a bit. Specifically, the significant decision-making challenge it poses for senior management of large companies: should they prefer to organize an in-house solution or subscribe to a service within a public cloud? When the count is not in hundreds but in thousands of employees, choosing the optimal solution becomes especially critical, since everything […]

The compact Kontron KBox B-202-CFL computer features an Intel Core ninth generation chip.

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Kontron has announced a new compact form-factor computer in the KBox B-202-CFL series, applicable in fields such as image processing, machine learning, artificial intelligence applications, and more. The device features a Mini-ITX motherboard (170 × 170 mm). It is possible to install an Intel Core ninth-generation processor from the i7, i5, or i3 series. The DDR4 RAM capacity can reach 32 GB. […]

More than 500 malicious extensions have been removed from the Chrome Web Store

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The results of blocking a series of malicious extensions for the Chrome browser have been summarized, affecting several million users. In the first stage, independent researcher Jamila Kaya and Duo Security identified 71 malicious extensions in the Chrome Web Store. Collectively, these extensions accounted for over 1.7 million installations. After notifying Google about the issue, it was found in the directory […]

PostgreSQL update addressing vulnerabilities. Release of the pgcat replication system

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Corrective updates have been formed for all supported branches of PostgreSQL: 12.2, 11.7, 10.12, 9.6.17, 9.5.21, and 9.4.26. Release 9.4.26 is the final one—preparation of updates for branch 9.4 has been discontinued. Updates for branch 9.5 will be prepared until February 2021, branch 9.6 until November 2021, branch 10 until November 2022, branch 11 until November 2023, and 12 […]

Release of OpenSSH 8.2 with support for FIDO/U2F two-factor authentication tokens

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After four months of development, OpenSSH 8.2 has been released, an open implementation of a client and server for working with SSH 2.0 and SFTP protocols. A key improvement in this release of OpenSSH 8.2 is the ability to use two-factor authentication via devices supporting the U2F protocol, developed by the FIDO alliance. U2F enables the creation of inexpensive hardware tokens to confirm the user's physical presence, interaction with which […]

The GARANT system is available for Linux.

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The Garant company offers to download the distribution of its electronic periodic legal reference for Linux OS. It is claimed that the GARANT system will work on Linux without the use of the Wine emulator (the 'Without Wine' icon in the corner of the site). According to the information on the site, the cross-platform version of the system 'can be installed to run on certain operating systems from the Linux family and Base Alt, as well as for […]

Telegram + 1C + Webhooks + Apache + Self-signed certificate

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A lot has been written about integrating Telegram and 1C. However, I have not seen a complete guide on installing and configuring webhooks. I will try to write it. For all this, we will need (or it would be more accurate to say that I used): Apache 2.2.24 OpenSSL (included in the Apache installation) 1C (with web server modules) Your own domain A created bot in Telegram (I won't describe […]

Installing or-tools with SCIP and GLPK in a Python 3.7 virtual environment on Linux.

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I decided to participate in a competition and needed to use packages for solving optimization problems. I chose the Google tool or-tools, which provides an interface for various solvers. It contains several optimization tools, but the creators claim support for several external packages, including commercial ones like Gurobi and CPLEX. However, we are not wealthy people […]

New project for removing artifacts from JPEG

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A project called JPEG Quant Smooth has been published on GitHub, aimed at removing compression artifacts from JPEG images. This is achieved by restoring the precision of discrete cosine transform coefficients. However, within the limits allowed by the quantization table, this does not enable the algorithm to re-filter the image. The code is written in C with optimizations for SSE2, AVX2, and ARM Neon. A WebAssembly version is also available, allowing processing of […]

Google has released a new version of the memory distribution system TCMalloc.

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Google has introduced a new variant of the memory allocation system TCMalloc, which is used in many of its internal projects. The TCMalloc code is written in C++ and is distributed under the Apache license. A compiler supporting C++17 for C++ and C11 for C (gcc 9.2+ or clang 9.0+) is required for it to work. Only Linux (x86, PPC) operating systems are supported. […]

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