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.

OS108 9.0 is available, a user distribution based on NetBSD

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The release of OS108 9.0 distribution, based on NetBSD 9.0 and featuring the MATE desktop, has taken place. The project is presented by its creator as a secure OS that can be used as an alternative to Windows and macOS. The project's developments are distributed under the ISC license. A Live image is available for download, sized at 1.9 GB (x86_64). The sysinst utility is used for installation on a hard drive, but the project is also developing the graphical installer OS108i […]

GitHub has released a stable version of its mobile application

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GitHub has announced the completion of beta testing for its mobile applications. GitHub is the largest web service for hosting IT projects and collaborative development. The web service is based on the Git version control system and was developed in Ruby on Rails and Erlang by GitHub, Inc (formerly Logical Awesome). The service is free for open source projects and (since 2019) small private […]

GSM IoT provider in utilities (Part 1)

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I read the articles by the author Interfer about the challenges in IoT and decided to share my experience as an IoT provider. The first article is not promotional, and most of the content does not include device models. I will try to write the details in upcoming articles. I do not see issues with using GSM modems for data collection from metering devices, as I was involved in creating a data collection system for 795 residential buildings, with a frequency […]

Microsoft announced new features for the Teams communication platform

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Microsoft has introduced new features for the Teams communication platform, aimed at enhancing employee interaction in the corporate environment. Microsoft Teams is designed for collaboration among company employees, integrated with Office 365 applications, and positioned as a work tool for corporate interaction. Users of this service can form teams within which they can create open channels for groups […]

Google temporarily ceases updates for Chrome and Chrome OS.

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The outbreak of the coronavirus, which continues to spread globally, is affecting all tech companies. One such impact is the transition of employees to remote work from home. Today, Google announced that due to the shift to remote work, the release of new versions of the Chrome browser and the Chrome OS platform will be temporarily halted. The relevant notification was published by the developers in […]

Firefox plans to completely remove FTP support

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Firefox developers have announced a plan to completely discontinue support for the FTP protocol, which will affect both the ability to upload files via FTP and to browse directory contents on FTP servers. In the upcoming Firefox 77 release, scheduled for June 2, FTP support will be disabled by default, but a setting "network.ftp.enabled" will be added to about:config to restore FTP functionality. In Firefox ESR builds 78, FTP support will continue to be available […]

Tor updates 0.3.5.10, 0.4.1.9, and 0.4.2.7 with DoS vulnerability fixes

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Corrective releases of the Tor toolkit (0.3.5.10, 0.4.1.9, 0.4.2.7, 0.4.3.3-alpha) have been presented, used for enabling the operation of the anonymous Tor network. The new versions fix two vulnerabilities: CVE-2020-10592, which can be exploited by any attacker to initiate a denial of service on relays. The attack can also be executed from Tor directory servers targeting clients and hidden services. An attacker can create […]

Java SE 14 Release

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Java SE 14 was released on March 17. The following changes were introduced: Switch expressions have been added in the form of case VALUE -> {}, which exit the default condition and do not require a break statement. Text blocks, defined by triple quotes «»», have reached the second preview stage. Control sequences have been added, which do not add […] before the newline.

Beta version of Devuan 3 Beowulf released

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On March 15, the beta version of the Devuan 3 Beowulf distribution was released, which is based on Debian 10 Buster. Devuan is a fork of Debian GNU/Linux without systemd that "gives users control over their system by avoiding unnecessary complexity and ensuring freedom of choice of the initialization system." Changes include: the behavior of su has been altered. The default invocation now does not change the PATH variable. The old behavior now requires […]

When Linux conntrack is no longer your friend

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Connection tracking (“conntrack”) is a core feature of the Linux kernel's networking stack. It allows the kernel to track all logical network connections or flows and thus identify all packets that constitute each flow, so they can be processed sequentially together. Conntrack is an important kernel feature used in several key cases: NAT relies on information from conntrack […]

Simple hash table for GPU

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I uploaded a new project to Github: A Simple GPU Hash Table. This is a simple hash table for GPU that can handle hundreds of millions of insertions per second. On my laptop with an NVIDIA GTX 1060, the code inserts 64 million randomly generated key-value pairs in about 210 ms and removes 32 million pairs in about 64 ms. So, the speed is around […]

Free Proxy Server for Enterprises with Domain Authentication

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pfSense + Squid with HTTPS filtering + Single Sign-On (SSO) technology with filtering by Active Directory groups. Background: There was a need in the company to implement a proxy server with the ability to filter access to websites (including HTTPS) by AD groups so that users wouldn’t need to enter any additional passwords, and administration could be done via a web interface. Quite a request, isn't it? […]

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