Category: Blog

Release of Tails 4.4 distribution and Tor Browser 9.0.6

The release of the specialized distribution Tails 4.4 (The Amnesic Incognito Live System) has been announced. Built on a Debian package base, it is designed for anonymous internet access. In Tails, anonymous browsing is facilitated by the Tor system. All connections, except traffic through the Tor network, are blocked by the packet filter by default. User data is stored in a persistent mode between sessions using […]

The Genode project has released the general-purpose OS Sculpt 20.02.

Developers of the open microkernel operating system Genode OS Framework have released the operating system Sculpt 20.02. Within the Sculpt project, based on Genode technologies, a general-purpose operating system is being developed that can be used by everyday users for daily tasks. The project's source code is distributed under the AGPLv3 license. A LiveUSB image, sized 26 MB, is available for download, and it supports operation on […]

How we at Sportmaster chose a caching system. Part 1

Hello! My name is Alexey Pyankov, I am a developer at Sportmaster. In this post, I shared how the work on the Sportmaster website began in 2012, what initiatives we managed to push through, and conversely, what pitfalls we encountered. Today, I want to share my thoughts following a different topic – choosing a caching system for the Java backend in the site admin panel. This topic […]

A retrospective on our hurdles. How a custom solution turned out to be better than a paid one.

Hello! My name is Alexey Pyankov, I am the lead programmer at Sportmaster. Let me clarify, being the 'lead' does not mean I am 'the most important among all programmers'; no, it’s just a title, a charming translation for 'Senior+'. I have been working at Sportmaster since 2012, and during this time, the development team has made many technically interesting decisions. But today […]

Network diagram as code

In the last couple of years, I have started to focus more on documentation. Writing explanatory text about how a particular system works is generally quite straightforward. Creating a diagram that displays all key objects and the relationships between them is also fairly easy. But the most challenging part is keeping this documentation up to date. And it’s okay […]

The MaxPatrol SIEM incident detection system has received an update.

Positive Technologies has announced the release of the new version of the MaxPatrol SIEM 5.1 software suite, designed for monitoring information security events and detecting various incidents in real time. The MaxPatrol SIEM platform collects data on current events and automatically detects threats, including previously unknown ones. The system assists cybersecurity teams in responding quickly to attacks, conducting detailed investigations, and […]

Google has introduced an input substitution blocker against malicious USB devices

Google has released the utility ukip, which allows tracking and blocking attacks carried out using malicious USB devices that simulate a USB keyboard for covertly injecting fake keystrokes (for example, during an attack, a sequence of keystrokes can be simulated that opens a terminal and executes arbitrary commands). The code is written in Python and is distributed under the Apache 2.0 license. The utility runs […]

Mozilla will assist in updating the KaiOS platform (a fork of Firefox OS)

Mozilla and KaiOS Technologies have announced a partnership aimed at updating the browser engine used in the KaiOS mobile platform. KaiOS continues to develop the Firefox OS mobile platform and is currently in use on approximately 120 million devices sold in over 100 countries. The issue is that KaiOS still employs an outdated browser engine corresponding to Firefox 48, on […]

Debian 8 will be supported for over 5 years

The LTS Team, responsible for generating updates for the LTS branches of Debian, has announced the possibility of receiving updates for Debian 8 after the standard five-year support cycle ends. Initially, support for the Debian 8 LTS branch was set to end in July 2020, but Freexian expressed its willingness to produce updates addressing vulnerabilities in packages as part of the Extended LTS program. […]

Proton 5.0-4 — the new version of the tool for running Windows games

On March 11, Valve published information about the release of the new version of the Windows games compatibility package Proton 5.0-4 on its GitHub project page. The project is based on Wine 5.0, with the main goal being to run games developed for Windows OS that are available in the Steam catalog. Key changes in the new version: Fixed bugs in the functionality of the Electronic Arts Origin launcher. […]

Support for Debian 8 has been extended beyond the standard 5 years

Developers of the LTS branches of the distribution (LTS Team) Debian 8 Jessie announced their intention to extend support for Debian 8 beyond the standard 5 years. Initially, support for the eighth version of the distribution was planned until July 2020. Extended support will be provided by the company Freexian as part of the 'LTS Extended' program. Under the extended support, a limited set of packages will be maintained, supporting […]

Fundamentals of Reliable Data Transmission

Dedicated to those who wish to understand networks and protocols. Briefly This article discusses the fundamentals of reliable data transmission, with examples implemented in Go, including UDP and TCP. Inspired by the books 'Computer Networks. A Top-Down Approach' as all discussions focus only on Tanenbaum and Olifer. Transport Layer Protocol Provides logical connectivity between application processes, […]

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