Category: Blog

Varlink – core interface

Varlink is a core interface and protocol that is easy to read by both humans and machines. The Varlink interface combines traditional UNIX command-line parameters, text formats for STDIN/OUT/ERROR, man pages, service metadata, and is equivalent to file descriptor FD3. Varlink is accessible from any programming environment. The Varlink interface defines the methods that will be implemented and how. Each […]

A new version of the exFAT driver has been proposed for the Linux kernel.

Korean developer Park Ju Hyung, specializing in porting Android firmware for various devices, has introduced a new version of the exFAT file system driver — exfat-linux, which is a fork of the "sdFAT" driver developed by Samsung. Currently, the exFAT driver from Samsung has already been added to the Linux kernel's staging branch, but it is based on the old driver codebase (1.2.9). […]

pg_stat_statements + pg_stat_activity + loq_query = pg_ash?

As a brief addition to the article Attempt to Create an ASH Analog for PostgreSQL. Task: It is necessary to link the history of pg_stat_statements and pg_stat_activity. As a result, using the execution plan history from the service table log_query, you can obtain a wealth of useful information for resolving performance incidents and optimizing queries. Warning: Due to ongoing testing and development, the article is not […]

The alpha version of the new XMPP server Xabber Server has been released

The developers of the XMPP client Xabber have released their own XMPP server based on a fork of ejabberd. The project code is distributed under the AGPLv3 license. Key features of Xabber Server include: Fast installation that allows you to automatically set up the server and configure all the necessary certificates; A new group chat protocol; Editing, deleting, and recalling messages; A quick client synchronization feature; A reliable message delivery protocol; Session management (the ability to log out (revoke the right […]

F9sim 1.0 — Falcon 9 First Stage Simulator

Reddit user u/DavidAGra (David Jorge Aguirre Gracio) has introduced the first version of his own rocket flight simulator – 'F9sim' 1.0. Currently, this is a free simulator written in Delphi using OpenGL technologies, but the project author is considering opening the source code and rewriting the project's code in C++/Qt5. The original goal of the project is to create a realistic 3D simulation of the flight of the first stage of a launch vehicle […]

Release of the Funtoo 1.4 distribution, developed by the founder of Gentoo Linux

Daniel Robbins, the founder of the Gentoo distribution who stepped away from the project in 2009, has presented the release of his now developed distribution Funtoo 1.4. Funtoo is based on the Gentoo package base and aims to further improve existing technologies. Work on the release of Funtoo 2.0 is planned to begin in about a month. Key features of Funtoo include support for automatic package building […]

Experiments will begin in Chrome 78 to enable DNS-over-HTTPS

Following Mozilla, Google announced its intention to conduct an experiment to test the implementation of DNS over HTTPS (DoH) developed for the Chrome browser. In the upcoming Chrome 78 release, scheduled for October 22, some user categories will be switched to using DoH by default. Only users with certain system settings will participate in the DoH activation experiment […]

Kubecost Review for Kubernetes Cost Savings in the Cloud

More and more companies are currently transitioning their infrastructure from physical servers and their own virtual machines to the cloud. This decision is easy to explain: there is no need to worry about hardware, clusters can be easily configured in many different ways... and most importantly, existing technologies (like Kubernetes) allow for straightforward scaling of computing power based on load. The financial aspect is always important. The tool […]

Programmer's move to Estonia: work, money, and cost of living

There are quite a few popular articles on Habr about relocating to different countries. I have gathered information about moving to the capital of Estonia, Tallinn. Today we will discuss how easy it is for a developer to find job openings with relocation options, how much one can earn, and what to generally expect from life in Northern Europe. Tallinn: a developed startup ecosystem. Despite the fact that the population of Estonia as a whole […]

Voltage control relay for the residential sector

It is now a fairly common practice to install voltage control relays in residential sectors to protect electrical equipment from neutral disconnection, as well as from overvoltage and undervoltage issues. On Instagram and YouTube, many of my colleagues can be seen facing problems in this area after installing voltage control relays from Meandr and several other manufacturers, which often fail […]

Buy reliable website hosting with DDoS protection, VPS VDS servers 🔥 Buy reliable website hosting with DDoS protection, VPS VDS servers | ProHoster