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Release of libtorrent 2.0 with support for the BitTorrent 2 protocol

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A significant release of the libtorrent 2.0 library (also known as libtorrent-rasterbar) has been introduced, offering an efficient implementation of the BitTorrent protocol in terms of memory usage and CPU load. The library is utilized in torrent clients like Deluge, qBittorrent, Folx, Lince, Miro, and Flush (not to be confused with another libtorrent library used in rTorrent). The libtorrent code is written in C++ and is distributed […]

Diverse Ubuntu in 2020

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What you have here is a subjective, unserious, and non-technical review of the Ubuntu Linux 20.04 operating system and its five official variants. If you're interested in kernel versions, glibc, snapd, and the presence of an experimental Wayland session — you're in the wrong place. If you are hearing about Linux for the first time and want to understand how someone who has been using Ubuntu for eight years thinks about it, […]

Check Point upgrade procedure from R80.20/R80.30 to R80.40

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More than two years ago, we wrote about how every Check Point administrator will eventually face the question of upgrading to a new version. This article described the upgrade from version R77.30 to R80.10. By the way, in January 2020, R77.30 became a certified version by the FSTEC. However, a lot has changed in Check Point over the past two years. In the article […]

Gentoo Project has introduced Portage 3.0 package management system

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The stabilizing release of the Portage 3.0 package management system used in the Gentoo Linux distribution has been announced. This release concludes a lengthy effort to transition to Python 3 and discontinue support for Python 2.7. Besides the end of support for Python 2.7, another significant change includes optimizations that allowed computations related to dependency resolution to be accelerated by 50-60%. Interestingly, some developers proposed rewriting the code […]

Release of Hotspot 1.3.0, a GUI for performance analysis in Linux

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The release of Hotspot 1.3.0 has been introduced, providing a graphical interface for visually examining reports during profiling and performance analysis using the perf kernel subsystem. The program's code is written in C++ using the Qt and KDE Frameworks 5 libraries and is distributed under the GPL v2+ license. Hotspot can serve as a transparent replacement for the 'perf report' command when analyzing files […]

torxy — a transparent HTTP/HTTPS proxy that allows traffic to be redirected to selected domains through a TOR server

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I present the first public version of my development — a transparent HTTP/HTTPS proxy that enables traffic redirection to selected domains via a TOR server. The project was created to enhance accessibility from a home local network to websites that may be restricted for various reasons. For example, the store homedepot.com is unavailable due to geographical restrictions. Features: Works exclusively in transparent mode, configuration is only required on the router; […]

CCZE 0.3.0 Phoenix

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CCZE is a utility for highlighting logs. The original project ceased development in 2003. In 2013, I compiled the program for personal use, but it turned out to be quite slow due to a suboptimal algorithm. I fixed the most obvious performance issues, after which I successfully used it for 7 years, but was too lazy to issue a release. So, […]

Online Intensive SRE: we will break everything down to the ground, then fix it, break it a couple more times, and then build it back up again.

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How about we break something? We keep building and fixing everything. It's absolutely boring. Let's break something in a way that we don't get in trouble—on the contrary, we might even be praised for this mess. Then we can rebuild everything—only this time, it will be significantly better, more resilient, and faster. And then we can break it again. […]

External storage OWC Mercury Elite Pro Dual with hard drives or SSDs costs up to $1950

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OWC has introduced the Mercury Elite Pro Dual with 3-Port Hub external data storage, which can be used with computers running Microsoft Windows, Apple macOS, Linux, and Chrome OS. The device allows for the installation of two drives in 3.5 or 2.5-inch formats. These can be traditional hard drives or solid-state solutions with a SATA 3.0 interface. The new product is built […]

PostgreSQL Query Profiler: how to correlate the plan and the query

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Many who are already using explain.tensor.ru—our PostgreSQL plan visualization service—may not be aware of one of its super capabilities: turning a hard-to-read piece of server log… into a beautifully formatted query with contextual hints on the corresponding nodes of the plan. In this second part of my presentation at PGConf.Russia 2020, I will explain how we achieved this. […]

Monitoring Sportmaster — what and how

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We began thinking about creating a monitoring system during the formation of the product teams. It became clear that our area—operations—did not fit into these teams at all. Why is that? The fact is that all our teams are built around separate information systems, microservices, and fronts, so they do not see the overall health status of the entire system. For instance, they […]

TCL has introduced a new type of display, NXTPAPER: better than electronic paper and easy on the eyes.

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At the IFA 2020 electronics exhibition currently taking place in Berlin, Germany, TCL presented new type NXTPAPER displays designed for the next generation of mobile devices. The screens are intended to compete with color electronic paper-based panels. The creation of the announced technology, as noted, took two years, and the development is protected by eleven patents. NXTPAPER displays do not create […]

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