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.

ExtremeSwitching X465 switches. Universal gigabit and multi-gigabit

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The portfolio of switches from Extreme Networks has been expanded with the ExtremeSwitching X465 family, which is represented by six models featuring 'copper' ports (the release of the 'fiber' versions is expected soon). Essentially, the ExtremeSwitching X465 is the third generation and a logical continuation of the Summit X460 and Summit X460G2 switches. They are 'universal' in the sense that they can be installed at any level of the network, — as […]

Seccomp in Kubernetes: 7 Things You Need to Know from the Start

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Translation Note: We present a translation of an article by a senior application security engineer at the British company ASOS.com. He begins a series of publications aimed at improving security in Kubernetes through the use of seccomp. If readers enjoy the introduction, we will follow the author and continue with his upcoming materials on this topic. This article is the first in a series of publications on how […]

5.8 million IOPS: why so much?

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Hello Habr! Data sets for Big Data and machine learning are growing exponentially, and we need to keep up with processing them. Our post is about yet another innovative technology in the field of high-performance computing (HPC) demonstrated at the Kingston booth at Supercomputing-2019. This involves the use of Hi-End storage systems (SDS) in servers with graphics processors (GPU) and GPUDirect bus technology […]

If all stories were written in a science fiction style

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Roger and Ann needed to meet Sergey in San Francisco. 'Shall we go by train, steamboat, or airplane?' Ann asked. 'The train is too slow, and traveling by steamboat around South America would take several months,' Roger replied. 'Let's fly by plane.' He logged into the central network via his personal computer and waited for the system to confirm […]

What should an IT person avoid doing in 2020?

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Habr is filled with predictions and advice on what to do in the coming year—what languages to learn, which areas to focus on, and how to take care of your health. Sounds inspiring! But every coin has two sides, and we stumble not only on new things but mostly on what we do every day. 'Why is it that no one […]

The Brazilian System is Not a Myth. How to Use It in IT?

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The Brazilian system doesn't exist, but it works. Sometimes. To be precise, the express training system under stress has existed for a long time. It is traditionally practiced in Russian factories and the Russian army. Especially in the army. Once, thanks to a strange Russian television program called 'Eralash,' the system received the name 'Brazilian,' although this name originally only pertains to the positioning of players in football. […]

AERODISK storage system on Russian Elbrus 8C processors

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Hello, readers of Habr. We have some very pleasant news to share. We have finally anticipated the actual serial release of the new generation of Russian processors, Elbrus 8C. The official serial production was supposed to start back in 2016, but in reality, mass production only began in 2019, and to date, about 4,000 processors have already been manufactured. Almost immediately after the start of serial production […]

Enabling Enhanced Session Mode for Arch Linux Guests in Hyper-V

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Using virtual machines on Linux in Hyper-V straight out of the box is somewhat less comfortable than working with guest Windows machines. This is mainly because Hyper-V was originally not designed for desktop use; you can't just install the guest additions package and get functional graphics acceleration, clipboard sharing, shared directories, and other conveniences, as you would […]

My unrealized project. A network of 200 MikroTik routers

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Hello everyone. This article is aimed at those who have a lot of MikroTik devices in their inventory and want to maximize unification to avoid connecting to each device individually. In this article, I will describe a project that, unfortunately, did not make it to production due to human factors. In short: over 200 routers, quick setup, and staff training, […]

New version of the DBMS ArangoDB 3.6

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The release of the multi-purpose DBMS ArangoDB 3.6 has been announced, offering flexible storage models for documents, graphs, and key-value data. Interaction with the database is conducted via an SQL-like query language, AQL, or through specific extensions in JavaScript. The data storage methods comply with ACID requirements (atomicity, consistency, isolation, durability), support transactions, and ensure both horizontal and vertical scalability. Database management […]

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