Author: Yuri Gagarin

What open-source funds are up to — discussing fresh projects from OpenStack and the Linux Foundation

We decided to talk about projects (Kata Containers, Zuul, FATE, and CommunityBridge) that recently joined two major funds and the directions in which they are developing. Photo — Alex Holyoake — Unsplash How is the OpenStack Foundation doing? The OpenStack Foundation (OSF) was founded in 2012 to support the development of the open cloud platform OpenStack. And the organization quickly became involved […]

The first release of the new Firefox Preview browser for Android

Mozilla has introduced the first trial release of the Firefox Preview browser, developed under the codename Fenix and aimed at initial testing by interested enthusiasts. The release is distributed through the Google Play catalog, and the code is available on GitHub. After stabilizing the project and implementing all intended features, the browser will replace the current version of Firefox for Android, with new releases of which being discontinued starting […]

Semantic Web and Linked Data. Corrections and additions

I would like to present an excerpt from this recently released book: Ontological Modeling of an Enterprise: Methods and Technologies [Text]: monograph / [S. V. Gorshkov, S. S. Kralin, O. I. Mushtak, et al.; Editor S. V. Gorshkov]. — Yekaterinburg: Publishing House of Ural Federal University, 2019. — 234 p.: ill., tables; 20 cm. — Authors are listed on the back of the title page. — Bibliography in […]

Why is air support control necessary for data centers? 

Everything in a person should be excellent, and everything in a modern data center should operate like a Swiss watch. No component of the complex architecture of a data center's engineering systems should be left unattended by the operations team. These considerations guided us at the Linxdatacenter facility in St. Petersburg as we prepared for Uptime Management & Operations certification in 2018, ensuring all systems […]

We use mcrouter for horizontal scaling of memcached

Developing high-load projects in any language requires a special approach and the use of specific tools, but when it comes to PHP applications, the situation can escalate to the point where one has to develop, for example, a custom application server. This note will address the familiar pain of distributed session storage and data caching in memcached, and how […]

RoadRunner: PHP is not made to die, or Golang rushes to the rescue

Hello, Habr! At Badoo, we are actively working on PHP performance, as we have a large system built on this language and performance is a matter of cost savings. Over ten years ago, we created PHP-FPM, which initially started as a set of patches for PHP but later became part of the official distribution. In recent years, PHP has significantly […]

Minimum installation of CentOS/Fedora/RedHat

I have no doubt that noble lords — Linux administrators — strive to minimize the number of packages installed on the server. This is more cost-effective, safer, and instills a sense of complete control and understanding of the processes at hand for the administrator. Therefore, the typical scenario for the initial installation of the operating system involves choosing a minimal variant, which is then filled with necessary packages. However, the minimal option proposed by the CentOS installer […]

The second candidate for the Debian 10 installer releases "Buster"

A second release candidate of the installer for the next major release of Debian 10 "Buster" is now available. There are currently 75 critical bugs blocking the release (down from 98 two weeks ago and 132 one and a half months ago). The Testing branch has been put into a state of full freeze regarding changes (with exceptions only for emergency interventions). The final release of Debian 10 is expected on July 6. Compared to […]

Release JPype 0.7, a library for accessing Java classes from Python

After more than four years since the formation of the previous significant branch, the release of JPype 0.7 is available, allowing full access for Python applications to Java class libraries. With JPype, you can use Java-specific libraries from Python, creating hybrid applications that combine both Java and Python code. The project code is released under the Apache 2.0 license. Unlike […]

Riseup has announced a new VPN service based on Bitmask.

Riseup has launched a new and easy-to-use VPN service — no configuration required, no registration, and no SMS. Riseup is one of the oldest non-profit organizations developing and offering users services for safe and private work on the internet. The service is based on Bitmask, which was previously created as part of the LEAP encryption access project. The goal of creating Bitmask is […]

Reflections on the national standard NB-Fi and billing systems

In short, In 2017, an article appeared on Habr titled "A draft national standard NB-FI for the Internet of Things was submitted to Rosstandart." In 2018, the technical committee on "Cyber-Physical Systems" worked on three IoT projects: GOST R "Information Technologies. Internet of Things. Terms and Definitions," GOST R "Information Technologies. Internet of Things. Reference Architecture of the Internet of Things and Industrial Internet of Things," […]

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