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Release of Proxmox VE 6.1, the distribution for organizing virtual server operations

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The release of Proxmox Virtual Environment 6.1 has taken place, a specialized Linux distribution based on Debian GNU/Linux, aimed at deploying and managing virtual servers using LXC and KVM, and capable of serving as a replacement for products like VMware vSphere, Microsoft Hyper-V, and Citrix XenServer. The size of the installation ISO image is 776 MB. Proxmox VE provides tools for deploying a fully ready virtual system […]

Graphene, which still hasn't succeeded

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How often do we see 'news from the future' in the media, proudly announcing the planned successes of science for the benefit of the country's economy? Often, in the comments to such announcements and reports, we can find skepticism and calls to write only about events that have already occurred. We have little faith in bright and inspiring plans. Well, the domestic information space is not unique in this kind of publication. […]

Pet (a short story)

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Usually, we write in our blogs about the features of various complex technologies or share insights about what we are working on ourselves. But today we want to offer you something special. In the summer of 2019, renowned science fiction author Sergey Zhigarev wrote two stories for the literary project Selectel and RBC, but only one made it to the final edit. The second one […]

Cockos Reaper 6

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A major update of the digital audio workstation Reaper 6 has been released, developed by Cockos, currently consisting of one person. The previous release was notable for the launch of the program’s build for Linux, and the new release continues to explore the Linux-based platform market. Builds are provided in tarballs, accompanied by installation scripts and are independent of distribution-specific package formats. Installation images have been prepared for platforms […]

A vulnerability that allows intercepting TCP connections established through VPN tunnels.

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An attack technique (CVE-2019-14899) has been published, allowing packets in TCP connections passed through VPN tunnels to be spoofed, altered, or substituted. The issue affects Linux, FreeBSD, OpenBSD, Android, macOS, iOS, and other Unix-like systems. Linux supports the rp_filter (reverse path filtering) mechanism for IPv4, the activation of which in 'Strict' mode neutralizes this issue. This method allows packet substitution at the TCP connection level, occurring within encrypted […]

W3C has granted WebAssembly the status of a recommended standard

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The W3C consortium has announced that WebAssembly technology has been given recommended standard status. WebAssembly provides a browser-independent universal low-level intermediate code for executing applications compiled from various programming languages. WebAssembly is positioned as a more promising and portable technology for creating high-performance web applications across browsers. WebAssembly can be used for tasks that require high performance, such as video encoding and audio processing, […]

SCADA on Raspberry: myth or reality?

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Winter Is Coming. Programmable Logic Controllers (PLCs) are gradually being replaced by embedded personal computers. This is due to the fact that the computing power allows a single device to encompass the functions of a programmable controller, server, and (if the device has an HDMI output) an automated workstation for the operator. In total: a web server, OPC component, database, and automated workstation in a single case, and […]

The Truth About Train Brakes: Part 4 — Passenger-Type Braking Devices

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Next time you find yourself at the station, take a moment to focus on the inscription right in the middle at the bottom of the train car that will take you away on another long-awaited vacation. This inscription is not there by chance; it tells us the mysterious, conditional number of the brake air distributor that is installed on this car. The inscription is visible even if the train is stopped […]

Review of ONYX BOOX Max 3: A Reader with the Largest Screen

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Table of Contents 1. Technical Specifications 2. Hardware and Software 3. Reading Books and Documents 4. Additional Features 5. Autonomy 6. Conclusions and Summaries What is the most important for e-books (readers) with production-technical application? Perhaps, the processor power, memory size, screen resolution? All of this is certainly important; but the most crucial factor is the physical screen size: the larger it is […]

Multiple vulnerabilities in OpenBSD

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Experts from Qualys Labs discovered several security issues related to the possibility of fooling the programs responsible for password verification mechanisms used in BSD (similar to PAM). The trick lies in passing the username "-schallenge" or "-schallenge:passwd", which is then interpreted not as a username but as an option. After that, the system accepts any password. Vulnerable, i.e., ultimately allowing unauthorized access, […]

Release of the Elementary OS 5.1 "Hera" distribution

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The release of the Elementary OS 5.1 "Hera" distribution has been announced, positioned as a fast, open, and privacy-respecting alternative to Windows and macOS. The project focuses on quality design aimed at creating a user-friendly system that consumes minimal resources while providing high boot speed. Users are offered the custom Pantheon desktop environment. Bootable ISO images (1.47 GB) are prepared for download, […]

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