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.

PXE Boot Menu with System Center Configuration Manager

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We are considering expanding the capabilities of System Center Configuration Manager (a product for IT infrastructure management) when booting user PCs over the network using PXE. We create a boot menu based on PXELinux with System Center functionality and add features for antivirus scanning, diagnostic and recovery images. At the end of the article, we touch upon the features of System Center 2012 Configuration Manager working together with Windows Deployment Services (WDS) […]

CASE Method: Human Monitoring

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Dziiiiiing! It's 3 AM, you're in the middle of a wonderful dream, and suddenly — a phone call. You're on duty this week, and it seems something has happened. An automated system is calling for you to investigate what's going on. This is an important moment in managing modern computer systems, but let's see how to make notifications more user-friendly. Meet the monitoring philosophy that has emerged over several decades of my duties […]

Memcached 1.5.13 release with TLS support

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The release of the in-memory data caching system Memcached 1.5.13 has occurred, which operates on a key/value format and is known for its simplicity. Memcached is commonly used as a lightweight solution to accelerate high-load websites by caching access to databases and intermediate data. The code is released under the BSD license. This new version is notable for the addition of TLS support for establishing an encrypted communication channel with […]

SciPy, optimization with constraints

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SciPy (pronounced as sigh pie) is a mathematical package based on numpy, which also includes libraries in C and Fortran. With SciPy, an interactive Python session transforms into a fully capable data processing environment, similar to MATLAB, IDL, Octave, R, or SciLab. This article will explore the key techniques of mathematical programming — solving constrained optimization problems for […]

SciPy, optimization

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SciPy (pronounced as 'sigh pie') is a package of applied mathematical procedures built on the Numpy Python extension. With SciPy, an interactive Python session transforms into a full-fledged data processing and complex systems prototyping environment, similar to MATLAB, IDL, Octave, R-Lab, and SciLab. Today, I want to briefly talk about how to apply some well-known optimization algorithms in […]

Solve the puzzle 'Satoshi’s Treasure' and win a million dollars in Bitcoin.

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A puzzle named 'Satoshi’s Treasure' has appeared online, and solving it could win you up to $1 million in Bitcoin. According to CoinDesk, access to the digital treasure requires gathering 1,000 key fragments using hints scattered across the internet as well as in the real world. To receive part of the funds from the game pool, participants need to collect […]

Release of VirtualBox 6.0.6

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Oracle has released corrective updates for the virtualization system VirtualBox versions 6.0.6 and 5.2.28, which contain 39 fixes. The new releases also address 12 vulnerabilities, 7 of which are rated critical (CVSS Score 8.8). Details have not been disclosed, but judging by the CVSS level, the issues resolved include problems demonstrated at the Pwn2Own 2019 competition that allow execution from the guest system environment […]

Update of Java SE, MySQL, VirtualBox and other Oracle products addressing vulnerabilities.

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Oracle has released a scheduled update plan for its products (Critical Patch Update), aimed at addressing critical issues and vulnerabilities. The April update resolved a total of 297 vulnerabilities. In the releases of Java SE 12.0.1, 11.0.3, and 8u212, 5 security issues were fixed. All vulnerabilities can be exploited remotely without authentication. One vulnerability specific to the Windows platform has been assigned […]

DCIM – The Key to Data Center Management

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According to forecasts by analysts from iKS-Consulting, by 2021, the number of server racks among the largest data center service providers in Russia will reach 49 thousand. Meanwhile, globally, according to Gartner, the number has long exceeded 2.5 million. For modern enterprises, data centers are invaluable assets. The demand for resources for data storage and processing is continually growing, and along with […]

Microservices: Size Matters, Even If You Have Kubernetes

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On September 19, the first themed meetup HUG (Highload++ User Group) dedicated to microservices took place in Moscow. The report titled 'Operating Microservices: Size Matters, Even If You Have Kubernetes' shared extensive experience from the company Flant in managing projects with microservice architecture. It will primarily benefit all developers considering […]

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