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Arch Linux Prepares to Implement zstd Compression Algorithm in Pacman

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Arch Linux developers have announced their intention to incorporate support for the zstd compression algorithm in the Pacman package manager. Compared to the xz algorithm, utilizing zstd will speed up the compression and decompression operations of packages while maintaining the compression level. Consequently, moving to zstd will increase the speed of package installations. Support for package compression using zstd will appear in the upcoming pacman release […]

WireGuard and andOTP removed from Google Play due to links for donations

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Google has removed the WireGuard (open VPN) Android app from the Google Play store due to violations of payment processing rules. WireGuard is an open-source application that is distributed for free and does not participate in monetization through advertising. The violation was due to a link in the app settings labeled 'Donate to the WireGuard Project,' which directed users to a donation page for its development […]

Oracle Solaris 11.4 SRU14 Update.

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An update to the Solaris 11.4 operating system, SRU 14 (Support Repository Update), has been released, offering a series of further fixes and improvements for the Solaris 11.4 branch. To install the suggested fixes from the update, simply execute the command 'pkg update'. In this release: Variants of all Perl modules included in Solaris for Perl 5.26 have been prepared; versions of programs rsyslog 8.1907.0, Apache Tomcat 8.5.45 have been updated; […]

Iptables and traffic filtering for the poor and lazy dissenters

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The relevance of blocking access to prohibited resources concerns any admin who may officially be accused of failing to comply with laws or orders from relevant authorities. Why reinvent the wheel when there are specialized programs and distributions for our tasks, such as: Zeroshell, pfSense, ClearOS. Another question arose from management: Does the product we use have a security certificate from our country? We had experience […]

Connecting RaspberryPi with TP-Link TL-WN727N

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Hello, Habr! I had an idea to connect my Raspberry Pi to the internet wirelessly. Said and done, I purchased a USB Wi-Fi dongle from the well-known brand TP-Link at a nearby store. I want to clarify that this is not some tiny USB module; it is a fairly sizeable device about the size of a regular flash drive (or if you prefer, about the size of an adult's index finger […]

Educational channel on mathematics and data science dudvstud

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Subscribe, it’s interesting there! 😉 How did this happen? After a tough journey from a graduate of the radiophysics department, to an employee of a state scientific institution, to a lecturer of an author course at my beloved alma mater, I finally became a respected employee in the R&D department of a very cool augmented reality startup, Banuba. Great company, exciting tasks, a demanding schedule, excellent conditions, and salary… but after […]

Farm for growing ideas

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1. There was just a little way left to the final goal – about a third of the journey – when the spacecraft fell under a severe informational icing. The remnants of the fallen civilization floated in the void. Paragraphs of scientific essays and images from literary works, scattered rhymes and just sharp phrases, once casually thrown by unknown beings – all appeared convoluted and extremely disordered. And […]

Orphan services: the flip side of (micro)service architecture

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The Operations Director of the portal Banki.ru, Andrey Nikolsky, spoke at last year's DevOpsDays Moscow conference about orphan services: how to identify orphans in the infrastructure, the issues with orphan services, what to do with them, and how to cope when nothing helps. Below is the text version of the report. Hello, colleagues! My name is Andrey, I lead the operations at Banki.ru. We have large services, […]

The Suricata 5.0 attack detection system is available.

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The OISF (Open Information Security Foundation) has released version 5.0 of the Suricata network intrusion detection and prevention system, which provides tools for inspecting various types of traffic. Suricata configurations allow for the use of a signature database developed by the Snort project, as well as the Emerging Threats and Emerging Threats Pro rulesets. The project's source code is distributed under the GPLv2 license. Key changes: New modules have been introduced […]

Is it possible to earn more as an engineer in another country?

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Contents: How can we compare countries by cost of living today? About purchasing power parity Why BIM (engineers and coordinators) Conclusion 1. Different gross = equal net Conclusion 2. The lower the gross, the more m² Where the data came from Methodology for calculating PPP indicators Quite often, in conversations with people from other countries, we start comparing salary levels. […]

League of Free Internet

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How to resist authoritarian regimes on the Internet Are we disconnecting? A woman in an internet café in Beijing, July 2011 Im Chi Yin / The New York Times / Redux Yes, I will have to preface with a "translator's note." The discovered text struck me as intriguing and debatable. The only edits made to the text are in "bold." I allowed myself to express my personal view in the tags. The era of emergence […]

The Tor Project has released OnionShare 2.2

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The Tor Project has released OnionShare 2.2, a tool that allows for secure and anonymous file sharing and the setup of a public file exchange service. The project's code is written in Python and is distributed under the GPLv3 license. Pre-packaged versions are available for Ubuntu, Fedora, Windows, and macOS. OnionShare runs a web server on the local system that operates as a hidden service […]

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