Author: Yuri Gagarin

BlackArch release 2020.01.01, a distribution for security testing

New BlackArch Linux builds have been released, a specialized distribution for security research and system vulnerability studies. The distribution is based on the Arch Linux package base and includes over 2400 security-related utilities. The supported package repository is compatible with Arch Linux and can be used in standard Arch Linux installations. The builds are prepared as a 13 GB Live image […]

Collection of intriguing statistical facts #2

A collection of charts and results from various studies along with brief annotations. I love these graphs because they stimulate the mind, although I also understand that this is more about conceptual theories than statistics. In short, the computational power necessary for training AI is increasing seven times faster than before, according to OpenAI. So we are getting further away from the 'Big Brother' […]

We share our experience on how SSDs perform in a RAID setup and which array level is more advantageous.

In the previous material, we already addressed the question of whether RAID is applicable to SSDs, using Kingston drives as an example, but we did so only at a zero level. In this article, we will explore the use cases of professional and home NVMe solutions in the most popular RAID configurations and discuss the compatibility of Broadcom controllers with Kingston drives. Why is RAID needed […]

Is it necessary to create a RAID array from SSDs and what controllers are needed for this?

Hello, Habr! In this material, we will discuss whether it is worth organizing RAID arrays based on solid-state SATA SSD and NVMe SSD solutions, and whether there will be any significant profit from this. We decided to delve into this issue by examining the types of controllers that allow this, as well as the applications for such configurations. One way or another, each of us […]

Web Server Showdown. Part 2 – Realistic HTTPS Scenario:

We discussed the methodology in the first part of the article; in this one, we are testing HTTPS in more realistic scenarios. A Let’s Encrypt certificate was obtained for testing, and Brotli compression was enabled at level 11. This time, we will attempt to reproduce a scenario for deploying a server on a VDS or as a virtual machine on a host with a typical processor. To accomplish this, we set a limit of: […]

Intel delays the rollout of Windows 10X due to the OS being "immature".

The upcoming year 2020 may become the year of foldable and dual-screen devices. Many companies, including Microsoft, are preparing such gadgets; previously, it presented the Surface Neo tablet based on Windows 10X and the Surface Duo smartphone on Android, both with two screens. Similar solutions are expected from the corporation's partners — HP, Dell, and Lenovo. Additionally, Windows 10X will make its appearance […]

The closing of the FreeDB project has been announced soon.

The FreeDB project has announced its closure. Starting March 31, 2020, the website and all associated services will cease operations. It is worth noting that the FreeDB project developed tools and a database with information about artists and musical compositions supplied on compact discs. The database includes additional details about tracks covering more than two million music CDs. Similar […]

The Lilith 0.0.5 operating system is now available, written in the Crystal language.

The release of the experimental project Lilith 0.0.5 has been published, which develops the operating system, kernel, and user space tools implemented in the Crystal language (a compiled language similar to Ruby with static typing). The code is distributed under the MIT license. Notable features include: A kernel for x86-64 systems that partially supports POSIX and implements typical Unix system calls (open, read, write, spawn, etc.); […]

How to choose commercial courses that teach IT professions

When choosing courses, you should be interested in two numbers — the percentage of people who completed the course and the percentage of graduates who found employment within three months of finishing the course. For example, if 50% of those who started the course finish it, and 20% of graduates find a job within three months, then your chances of entering the profession with these specific courses […]

Four principles of translation, or where does a human not yield to a machine translator?

For a long time, there have been rumors that machine translation will be able to replace human translators, and sometimes statements are heard like, "Translations done by a human and Google Neural Machine are nearly indistinguishable," when Google announced the launch of its neural machine translation system (GNMT). Of course, neural networks have made significant strides recently and are becoming increasingly sophisticated […]

Self-hosting third-party resources: good, bad, ugly

In recent years, more and more platforms for optimizing frontend projects have been offering options for self-hosting or proxying third-party resources. Akamai allows you to set specific parameters for self-created URLs. Cloudflare has Edge Workers technology. Fasterzine can rewrite URLs on pages to point to third-party resources located on the main domain of the site. If it is known that […

Auto-generation and uploading of network device configuration elements using Nornir

Hello, Habr! Recently, there was an article about Mikrotik and Linux. Routine and automation where such tasks were solved using outdated methods. And although the task is completely typical, there's nothing similar about it found on Habr. I dare to propose my own version to the esteemed IT community. This is not the first solution for a similar task. The first version was implemented a few years ago […]

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