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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 GoboLinux 017 with its unique file system hierarchy

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After three and a half years since the last release, the GoboLinux 017 distribution has been formed. GoboLinux uses a stack-based model for creating the directory tree instead of the traditional file hierarchy found in Unix systems, where each program is installed in a separate directory. The installation image size is 1.9 GB, which can also be used to explore the capabilities of the distribution in live mode. The root in GoboLinux […]

Release of debugger GDB 9.2

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A new version of the GDB debugger, 9.2, has been released, which offers only bug fixes compared to version 9.1. GDB supports source-level debugging for a wide range of programming languages (Ada, C, C++, Objective-C, Pascal, Go, etc.) on various hardware (i386, amd64, ARM, Power, Sparc, RISC-V, etc.) and software platforms (GNU/Linux, *BSD, Unix, Windows, macOS). Starting […]

Optimizing load on the Highload project with ElasticSearch

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Hello, Habr! My name is Maxim Vasiliev, and I work as an analyst and project manager at FINCH. Today, I would like to share how we processed 15 million queries in 6 minutes using ElasticSearch and optimized the daily load on the website of one of our clients. Unfortunately, I have to skip names as we have an NDA, but we hope that […]

450 Free Courses from Ivy League

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Information technology allows us to access incredibly cool educational resources with just one click. For free. I'm currently tackling the challenge of how to sift through a massive amount of vital content to figure out what should be tried first, how to 'mark up the data' so that the neural network of the younger generation learns more effectively. (ontol.org, 'Burnout', 'Remote Work', Telegram channel). I present to you a complete selection of all free courses from […]

Ontol: collection of articles on "burnout" [100+]

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I 'scanned' 560 posts on Habr and (preliminarily) highlighted the top 10 most useful materials on emotional/professional burnout for myself. Social architecture: 'Emotional Burnout of Open Source Contributors' Maxim Dorofeyev: 'The Principle of Thought Fuel Economy' Ilya Yakyamsev: 'Efficiency Doesn't Work' Sam Altman: 'Productivity. Experience from the Best Startups of Y Combinator' Aaron Harris(YC): 'Coping with Founder Depression' Jonathan Blow: 'Techniques for Dealing […]

Children’s online competitions on Linux

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The Children and Youth Center for Technical Creativity and Information Technologies, in partnership with Calculate Linux, is holding the first open competition for children and teenagers in GNU/Linux. Participants will be offered theoretical questions and practical tasks of varying complexity. The competition will start online in Russian on May 25, 2020, at 1 PM Moscow time. Participation is free. All participants will receive diplomas. […]

Ontol (the most useful) about remote work [collection of 100+ articles]

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'If you're not ashamed of the first version of your product, you've entered the market too late' Hello everyone, I’ve been dragging my feet for a long time, and now I've decided to share not even an MVP, but the idea I’m currently working on. It crystallized a year ago, following 7 years of writing on Habr. Many have heard of the pyramid 'data-information-knowledge-wisdom.' Interestingly, the number of projects about data […]

Apple Mac and quirky devices. LTO, SAS, Fibre Channel, eSATA

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The subject of this article is connecting external devices to a Mac via SAS, Fibre Channel (FC), eSATA interfaces. Let's clarify right away that there is a healthy pathway to solve the problem of accessing such devices: assemble a cheap PC, plug a SAS or FC HBA controller card into it (for example, a basic LSI adapter), connect your devices to this controller, and install any […] on the PC.

Checkpoint offered the Safe-Linking protection technique, complicating the exploitation of vulnerabilities.

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Checkpoint has introduced the Safe-Linking protection mechanism, which complicates the creation of exploits that manipulate the definition or modification of pointers to buffers allocated during a malloc call. While Safe-Linking does not completely block the possibility of exploiting vulnerabilities, it significantly complicates the creation of certain categories of exploits with minimal overhead, as in addition to the exploitable buffer overflow, one must find another vulnerability that causes information leakage about […]

The Story of Missing DNS Packets from Google Cloud Support

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From the Google Blog Editor: Have you ever wondered how Google Cloud Technical Solutions (TSE) engineers handle your support requests? TSE support engineers are responsible for identifying and resolving user-reported issues. Some of these issues are quite simple, but sometimes a request requires the attention of several engineers at once. In this article, one […]

A portable version of OpenBGPD 6.7p0 is available.

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The developers of OpenBSD have released a portable version of the OpenBGPD routing package 6.7, which can be used in operating systems other than OpenBSD. Portability has been achieved using code from the OpenNTPD, OpenSSH, and LibreSSL projects. In addition to OpenBSD, support for Linux and FreeBSD has been declared. OpenBGPD has been tested on Debian 9, Ubuntu 14.04+, and FreeBSD 12. The development of OpenBGPD is supported by the regional […]

Release of Wine 5.9

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An experimental release of the open WinAPI implementation — Wine 5.9 — has occurred. Since the release of version 5.8, 28 bug reports have been closed and 337 changes made. The most significant changes include: Significant progress in the development of the WineD3D backend based on the Vulkan graphics API; Initial support for splitting DLLs into PE format and Unix shared libraries (.so). Initial […]

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