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.

How to move, unload, and integrate very large data cheaply and quickly? What is pushdown optimization?

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Any operation with big data requires substantial computing power. Regular data transfer from a database to Hadoop can take weeks or cost as much as an aircraft wing. Don't want to wait and spend? Balance the load across different platforms. One way to do this is through pushdown optimization. I asked leading trainer in Russia on development and administration of Informatica products, Alexey Ananyev, to share about […]

Insufficient attention to personal data protection threatens the Chinese economy with enormous losses.

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The Hinrich Foundation, an organization focused on international economic issues, published excerpts from an analytical report by AlphaBeta on the threats to China's economy by 2030. It is projected that retail and other trade in the consumer segment, including online, could generate approximately $5.5 trillion (37 trillion yuan) for the country over the next 10 years. This is about one-fifth of China's expected gross domestic product [...].

NetBIOS in the hands of a hacker

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This article will provide a brief narrative about what a seemingly ordinary thing like NetBIOS can tell us. What information it can provide for a potential attacker or pentester. The demonstrated application of reconnaissance techniques pertains to internal networks, which are isolated and not accessible from the outside. Such networks are typically present in even the smallest companies. The [...].

Maturity Levels of Enterprise IT Infrastructure

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Abstract: Levels of IT infrastructure maturity within enterprises. Description of the advantages and disadvantages of each level individually. Analysts assert that in standard situations, more than 70% of IT budgets are spent on maintaining infrastructure – servers, networks, operating systems, and storage. Organizations realize the necessity of optimizing IT infrastructure and how crucial it is for it to be economically effective, leading them to conclude that rationalization is needed [...].

Cmus console player for Linux

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Good day. I am currently using the console player cmus, which is very user-friendly. In light of this, I wanted to write a brief review. At my new workplace, I have completely switched to Linux. Consequently, I needed to find software that fits my work-related needs. Although there are plenty of graphical players available for Linux, all [...].

4K: evolution or marketing?

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Will 4K become the television standard, or will it remain a privilege available to a select few? What awaits providers launching UHD services? In the report by BROADVISION analysts, you will find answers to these and other questions. At first glance, it might seem that the quality of the television image directly depends on quantity: the more pixels per square inch, the better. For confirmation, see […]

We simplify Linux compilation from source using the UmVirt LFS Packages site.

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Many GNU/Linux users, in light of recent government initiatives aimed at creating a 'sovereign' Internet, may be concerned about how to safeguard against the unavailability of repositories for popular GNU/Linux distributions. Some are downloading repositories for CentOS, Ubuntu, and Debian, while others are building their distributions based on existing ones, and some, armed with LFS (Linux From Scratch) and BLFS (Beyond Linux From Scratch) books, have already begun […]

Azure Exams (Revised and Updated Version)

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At the event in September 2018, it was announced that new exams in the AZ-*** series have been introduced, while the 70-53* series has become obsolete. The description was already provided here and in my earlier article. However, much has changed since then, and this article includes updates from December 2018 and March 2019 that were not covered in the previous article. […]

Azure Exams

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The exams themselves, along with the article, have changed so much that I had to write a new one that takes into account three iterations of changes (December 2018, January 2019, March 2019). Source: habr.com

The PC version of Detroit: Become Human will utilize Vulkan and will only run on 8 GB of video memory.

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During the Game Developers Conference 2019, which took place last week in San Francisco, Epic Games announced numerous exclusive deals with developers and publishers. The most unexpected of these involves projects from the French studio Quantic Dream: the interactive dramas Detroit: Become Human, Beyond: Two Souls, and Heavy Rain will be released in the Epic Games Store, developed specifically for Sony consoles. The system requirements published on […]

VPN for mobile devices at the network level

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Surprisingly, there is still very little material in the Russian segment of the Internet about such an old and simple yet convenient and safe technology, especially relevant with the rise of the Internet of Things, as mobile VPN (virtual private network). In this article, I will describe how and why to configure access to your private network from any device with a SIM card without the need for setup […]

3. Check Point Getting Started R80.20. Preparing the Layout

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Hello, friends! Welcome to the third lesson. Today we will prepare a layout that we will practice on. An important question! Do you need a layout or can you get by just watching the course? Personally, I believe that without practice, this course will be absolutely useless. You simply won't remember anything. So, before moving on to the next lessons, make sure to complete this one!

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