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.

Features of Auto Tiering in Qsan XCubeSAN storage systems

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Continuing the examination of technologies that accelerate input/output operations in storage systems, started in the previous article, we cannot overlook the popular option known as tiering (Auto Tiering). Although the ideology behind this function is quite similar among various manufacturers of storage systems, we will focus on the specifics of tiering implementation in the Qsan storage system. Despite the diversity of data stored in the storage system, this […]

Implementation of SSD caching in QSAN XCubeSAN

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Performance enhancement technologies based on SSD usage, widely employed in storage arrays, have been around for quite some time. Primarily, this involves using SSDs as storage space, which is 100% effective but costly. Therefore, tiering and caching technologies are used, where SSDs are utilized only for the most frequently accessed ('hot') data. Tiering is beneficial for long-term use scenarios (days to weeks) […]

The Evolution of CI in Mobile Development Teams

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Today, most software products are developed in teams. The conditions for successful team development can be represented in a simple framework. After writing code, you must ensure that it: Works. Does not break anything, including code written by your colleagues. If both conditions are met, you are on the path to success. To easily verify these conditions and stay on track […]

SneakyPastes: a new cyber espionage campaign has affected four dozen countries

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Kaspersky Lab has revealed a new cyber espionage campaign that has victimized users and organizations in nearly four dozen countries worldwide. The attack has been named SneakyPastes. Analysis shows that the organizer is the cyber group Gaza, which includes three other teams of attackers — Operation Parliament (known since 2018), Desert Falcons (known since 2015), and MoleRats (active […]

MS SQL Backup: a couple of useful Commvault features that not everyone knows about

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Today, I will talk about two Commvault capabilities for MS SQL backup that are unjustly overlooked: granular recovery and the Commvault plugin for SQL Management Studio. I will not cover the basics of setup. This post is more for those who already know how to install the agent, set schedules, policies, and so on. I have previously discussed how Commvault works and what it is capable of […]

Backup using Commvault: a bit of statistics and case studies

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In previous posts, we shared instructions for setting up backups and replication based on Veeam. Today, we would like to discuss backups using Commvault. There will be no instructions, but we will share what our clients are already backing up. Storage systems for backups based on Commvault in the OST-2 data center. How does it work? Commvault is a platform for backups […]

Splunk Universal Forwarder in Docker as a System Log Collector

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Splunk is one of the most recognizable commercial products for log collection and analysis. Even now, when sales in Russia are no longer made, it is no reason not to write how-to guides on this product. The task: to collect system logs from Docker nodes in Splunk without changing the host machine's configuration. I would like to start with the official approach, which looks a bit strange […]

Very Little Nightmares — a creepy yet charming world of night terrors will appear on iOS

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In 2017, Bandai Namco Entertainment and developer Tarsier Studio introduced the rather dark horror game Little Nightmares, presented in a cute visual style. After that, the platformer received several expansions, and soon it will be released on Nintendo Switch. Fans will be interested to know that they can also immerse themselves in the frightening adventure on mobile devices running iOS. Bandai Namco Entertainment [...]

What useful information can be extracted from the logs of a Windows OS workstation

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A user workstation is the most vulnerable point in the infrastructure concerning information security. Users may receive emails on their work accounts that appear to come from a safe source, but contain links to infected sites. It is possible for someone to download a useful utility for work from an unknown source. There are countless scenarios in which malware can infiltrate through users […]

Cycling Infrastructure in the Netherlands — How Does It Work?

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Hello Habr. In recent years, various cities in Russia have started to pay more attention to bicycle infrastructure. The process is, of course, slow and somewhat "creaky" — cars park on bike paths, bike paths often cannot withstand the winter with salt and wear out, and not everywhere can these bike paths be physically placed. Overall, there are problems, but it is encouraging that at least […]

WPA3 Vulnerability: DragonBlood

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Despite the fact that the new WPA3 standard has not yet been fully implemented, security flaws in this protocol allow attackers to crack Wi-Fi passwords. The Wi-Fi Protected Access III (WPA3) protocol was introduced in an attempt to eliminate the technical shortcomings of the WPA2 protocol, which had long been considered insecure and vulnerable to KRACK attacks (Key Reinstallation Attack). Although WPA3 relies on more […]

The End of an Era: Windows XP is now officially history

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Extended support for Windows Embedded POSReady 2009 — the last supported version from the XP family — ended on April 9, 2019. Thus, products based on Windows NT 5.1 have completely left the market after more than 17.5 years of operation. The era of this operating system has come to an end. Consequently, Windows XP became the "longest-lasting" version of Windows on the market. Its record may […]

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