Blog Section
Preface or how the idea of partitioning arose The story begins here: Do you remember how it all started? Everything was new and unprecedented. After nearly all resources for query optimization had been exhausted at that moment, the question arose—what next? Thus, the idea of partitioning emerged. A lyrical digression: It was 'at that moment', because […]
It is possible that the Sea Launch platform will be relocated from California to the Far East. At least, sources in the rocket and space industry say this, according to the online publication RIA Novosti. The Sea Launch project was developed in the early 1990s. The idea was to create a floating rocket and space complex capable of providing the most favorable […]
A new release of the NixOS distribution has been announced. Features of NixOS include a 'functionally pure' package manager Nix, as well as its own unified configuration system. Some changes: The default Python 3 interpreter is now CPython 3.7; the Pantheon desktop environment developed by the elementary OS team has been added; the Kubernetes module has undergone a comprehensive refactoring; 35 new modules have been added; support for Node.js version 6 has been discontinued; Wayland compositor […]
Introduction To ensure an additional level of server security, a mandatory access distribution model can be used. This publication will describe how to run Apache in a jail with access only to the components necessary for the correct operation of Apache and PHP. This principle can be applied to restrict not only Apache but also any other stack. Preparation […]
Zhabogram is a transport (bridge, gateway) from the Jabber (XMPP) network to the Telegram network, written in Ruby. It is the successor to tg4xmpp. Dependencies: Ruby >= 1.9 ruby-sqlite3 >= 1.3 xmpp4r == 0.5.6 tdlib-ruby == 2.0 and compiled tdlib == 1.3 Features: Authorization in Telegram, including two-factor authentication (password) Synchronization of chat lists with the roster Synchronization of contact statuses with the roster […]
Introduction In this series of articles, I want to discuss the Buildroot distribution build system and share my experiences with its customization. This will include practical experience in creating a small OS with a graphical interface and minimal functionality. First of all, it is important not to confuse the build system with the distribution. Buildroot can assemble a system from a set of packages that it has been provided. Buildroot is based on makefiles and therefore […]
Hello, today I admired some artifacts from the Soviet era and wanted to share with the community. This post won't contain technical analysis or historical references, just pictures for the curious and my notes. Therefore, I'm publishing it in the 'attic'. (Caution: about 40 Mb of images!) Electrical Connector According to legend, it comes from the brother of 'Buran' — 'Bura'. Note that the wire is embedded in a brown compound, visible […]
A developer from RedHat announced the release of Flatpak 1.3.2 aimed at developers. Flatpak is a utility for deploying, managing packages, and virtualization for Linux. Version 1.3.2 includes significant changes and is based on the unstable branch 1.3. Notably, starting with Flatpak 1.3.2, the user file system FUSE relies on users writing directly to […]
The Qt Company has released the Qbs 1.13 build toolkit (Qt Build Suite). This is the final release of Qbs by the Qt Company. It is worth mentioning that a decision was previously made to discontinue the development of Qbs. Qbs was developed as a replacement for qmake, but ultimately it was decided to use CMake as the primary build system for Qt in the long run. In the near future […]
Since 2008, our company has primarily been engaged in infrastructure management and round-the-clock technical support for web projects: we have over 400 clients, which accounts for about 15% of e-commerce in Russia. Accordingly, the support involves a very diverse architecture. If something goes down, we are obliged to fix it within 15 minutes. But to understand that an incident has occurred, it is necessary to monitor the project and respond to incidents. […]
The release of the Ubuntu 19.04 'Disco Dingo' distribution is now available. Ready test images have been created for Ubuntu, Ubuntu Server, Lubuntu, Kubuntu, Ubuntu Mate, Ubuntu Budgie, Ubuntu Studio, Xubuntu, and UbuntuKylin (the edition for China). Key innovations include: The desktop has been updated to GNOME 3.32 with a redesigned interface style, desktop, and icon elements, the cessation of global menu support, and experimental support for fractional scaling. […]
Hello, I am Sergei Elantsev, developing a network load balancer at Yandex.Cloud. Previously, I led the development of the L7 load balancer for Yandex's portal — my colleagues joke that whatever I work on turns into a load balancer. I will tell the readers of Habr how to manage load in a cloud platform, what we envision as the ideal tool to achieve this goal, and how we are progressing towards building this tool. For […]
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