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.

Experimental support for Linux kernel recompilation in Clang with CFI protection mechanism

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Kees Cook, former head sysadmin of kernel.org and leader of the Ubuntu Security Team, now working at Google to ensure the security of Android and ChromeOS, has prepared an experimental repository with patches that allow building a kernel for the x86_64 architecture using the Clang compiler and enabling the Control Flow Integrity (CFI) protection mechanism. CFI helps detect certain forms of undefined behavior that […]

Release of Zorin OS 15 Lite

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A lightweight version of the Linux distribution Zorin OS 15 has been prepared, built using the Xfce 4.14 desktop and the Ubuntu 18.04.2 package base. The target audience for this distribution is users of outdated systems running Windows 7, support for which is set to expire in January 2020. The desktop layout is styled to resemble Windows, and it includes a collection of software similar to the programs that […]

Symfony 5.0

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Today at the SymfonyCon conference in Amsterdam, the fifth release of the open-source PHP framework Symfony, which uses the MVC model, was presented. The list of projects utilizing Symfony includes several popular web applications such as Drupal (CMS), Joomla (CMS), Facebook (SDK), Google API (SDK), phpBB, phpMyAdmin, and others. Among the 269 innovations, two new components stand out: String – a component for object-oriented work […]

Software Architect. New course from OTUS

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The modern world has over 40,000 professions. Society is evolving and digitizing; some professions are disappearing due to obsolescence, while others are emerging and becoming highly demanded in the labor market. One of these professions is software architect. It goes by various names online, including system architect, software architect, IT architect, and IT infrastructure architect.

How to Avoid Failing at Digital Transformation

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Spoiler: it starts with people. A recent survey of CEOs and top executives revealed that risks associated with digital transformation are the number one topic of discussion in 2019. Nevertheless, 70% of all transformation initiatives fail to achieve their goals. It's estimated that of the $1.3 trillion spent on digitization last year, $900 billion went to waste. But why are some transformation initiatives successful?

Key-Value Storage: How Our Applications Became More User-Friendly

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Those who develop on Voximplant know about the concept of "applications" that connect cloud scenarios, phone numbers, users, rules, and call queues. Simply put, applications are the cornerstone of development on our platform, the entry point into any solution based on Voximplant, as that's where the creation of an application begins. Previously, applications "did not remember" […]

Zimbra OSE protection against brute force and DoS attacks.

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The Zimbra Collaboration Suite Open-Source Edition boasts several powerful tools for ensuring information security. Among them are Postscreen — a solution to protect the mail server from botnet attacks, ClamAV — an antivirus capable of scanning incoming files and emails for malware, as well as SpamAssassin — one of the best spam filters available today. […]

Zimbra and Spam Protection

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One of the key tasks facing an administrator of a corporate mail server is filtering emails that contain spam. The harm caused by spam is both clear and significant: in addition to posing threats to the company's information security, it occupies space on the server's hard drive and reduces employee efficiency when it infiltrates the Inbox. Separating unwanted mail from business correspondence is not such a […]

Neural networks have elevated the quality of synthesized Russian speech to a new level.

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The group of companies CRT, part of the Sberbank ecosystem, announced the development of an advanced speech synthesis platform that reportedly ensures smooth and expressive reading of any text. The presented solution is the third generation of the speech synthesis system. High-quality audio signals are generated by complex neural network models. Developers claim that the result of these algorithms is the most realistic synthesis of Russian speech. The platform includes […]

Update of the free antivirus package ClamAV 0.101.5 and 0.102.1

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Corrective updates for the free antivirus package ClamAV 0.101.5 and 0.102.1 have been published, addressing a vulnerability (CVE-2019-15961) that could lead to denial of service when processing specially formatted email messages (too much time is spent parsing certain MIME blocks). The new releases also resolve building issues with clamav-milter and the libxml2 library, reduce signature loading time, and add a build option […]

Release 19.3.0 of the GraalVM virtual machine and implementations of Python, JavaScript, Ruby, and R based on it

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Oracle has released the universal virtual machine GraalVM 19.3.0, which supports running applications in JavaScript (Node.js), Python, Ruby, R, any languages for the JVM (Java, Scala, Clojure, Kotlin), and languages that can generate LLVM bitcode (C, C++, Rust). Version 19.3 is categorized as a long-term support (LTS) release and is notable for its support of JDK 11, among other features […]

Google is working on using a regular Linux kernel in Android

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At the recent Linux Plumbers 2019 conference, Google presented advancements in the initiative to merge changes developed for the Android kernel variant into the main Linux kernel. The ultimate goal is to enable the use of a single common kernel for Android, rather than preparing separate builds based on the Android-specific branch of the Android Common Kernel for each device. This goal […]

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