Category: Blog

The core software of the onboard cyber infrastructure of the unified strike fighter F-35

Overview of the key components of the "Autonomous Logistics Information System" (ALIS) for the unified strike fighter F-35. A detailed analysis of the "combat application support block" and its four key components: 1) human-system interface, 2) execution-control system, 3) onboard immunity system, 4) avionics system. Some information about the software and hardware of the F-35 fighter and the tools used for its onboard software. A comparison is provided […]

Cisco 200-125 CCNA v3.0 Training. Day 8. Switch Configuration

Welcome to the world of switches! Today, we're going to talk about switches. Imagine you're a network administrator at a new company. A manager approaches you with a "box-fresh" switch and asks you to set it up. You might have thought that they were referring to a regular electrical switch (in English, the word switch refers to both a network switch and an electrical […]

Release of earlyoom 1.3, a process for rapid response to memory shortages

After seven months of development, the release of the earlyoom 1.3 background process has been published. This process periodically checks the amount of available memory (MemAvailable, SwapFree) and attempts to respond early to occurrences of memory shortage. If the amount of available memory falls below a set threshold, earlyoom will forcibly terminate the process that is consuming the most memory (with the highest value in /proc/*/oom_score) via sending SIGTERM or SIGKILL […]

Want to be a little happier? Try to become the best in your field

This is a story for those whose only similarity with Einstein is the mess on their desk. The photo of the great physicist's workspace was taken a few hours after his death on April 28, 1955, in Princeton, New Jersey. The Myth of the Master All culture created by mankind is based on archetypes. Ancient Greek myths, great novels, 'Game of Thrones'—they are all the same […]

When should you test the hypothesis of equal effectiveness?

An article from the Stitch Fix team advocates for the use of non-inferiority trials in marketing and product A/B tests. This approach is indeed applicable when testing a new solution with benefits that are immeasurable through testing. The simplest example is cost reduction. For instance, we automate the process of scheduling the first lesson but do not want to significantly drop overall conversion. Or we are testing […]

The developers of the Unity game engine have announced Unity Editor for GNU/Linux.

Unity Technologies has announced the formation of a preliminary release of the Unity Editor for creating games on GNU/Linux. This release has been formed following several years of unofficial experimental builds. The company now plans to provide official support for Linux. It is noted that the range of supported operating systems is expanding due to the increasing demand for Unity in various fields, from the gaming and film industry to automotive manufacturing […]

The release of Firefox 67.0.1 with default tracking protection enabled

A new release of Firefox 67.0.1 has been presented, notable for the default inclusion of tracking protection, which disables cookie placement for domains found to be tracking movements, regardless of the 'Do Not Track' header setting. The blocking is based on the disconnect.me blacklist. This change applies to standard mode, which previously only included blocking for private browsing. The strict mode of blocking is specified […]

Backup, part 3: Overview and testing of duplicity, duplicati

This note covers backup tools that perform backups by creating archives on a backup server. Among those that meet the requirements are duplicity (which has a nice interface in the form of deja dup) and duplicati. Another noteworthy backup tool is dar, but because it has a very extensive list of options—the methodology […]

Zimbra Collaboration Suite and mobile device management with ABQ

The rapid development of portable electronics, particularly smartphones and tablets, has created numerous new challenges for corporate information security. Indeed, while previously all cybersecurity was built around creating a secure perimeter and subsequently protecting it, now, when almost every employee uses their own mobile devices for work tasks, controlling the security perimeter has become very difficult. Especially this […]

How to Organize a Hackathon as a Student 101. Part One

Hello everyone, I've come across articles about hackathons several times: why people attend them, what works, what doesn’t. People might be interested to hear about hackathons from a different perspective: from the organizer's side. Please note this is regarding the UK; organizers from Russia may have a slightly different opinion on this matter. A brief background: I am a third-year student […]

Release of the Decentralized Communication Platform Hubzilla 4.2

After about 3 months of development, the release of the decentralized social network platform Hubzilla 4.2 has been presented. The project provides a communication server that integrates with web publishing systems, equipped with a transparent identification system and access management tools in decentralized Fediverse networks. The project's code is written in PHP and Javascript and is distributed under the MIT license. Hubzilla supports a unified authentication system for operation in […]

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