Category: Blog

4G Router as a Universal Server for IoT

The ICR-3200 series routers are designed to replace the classic combination of a single-board computer + modem + router. Now, you can run all necessary logic directly on the router. Thanks to the powerful ARM processor, 512 MB of RAM, and ~2GB of built-in flash memory, you can even run a nodejs server on the router! Serial interfaces RS-232/485 are also built into the router and are available directly in the operating system with full […]

Distributed tracing: We weren't doing it right

Translator’s note: The author of this material is Cindy Sridharan, an engineer from imgix, focusing on API development and, in particular, microservices testing. In this material, she shares her comprehensive vision of current issues in distributed tracing, where, in her opinion, there is a lack of truly effective tools to solve pressing challenges. [The illustration is borrowed from another material on distributed […]

Notqmail is presented, a fork of the qmail mail server.

The first release of the notqmail project has been introduced, marking the development of a fork of the qmail mail server. Qmail was created by Daniel J. Bernstein in 1995 to provide a more secure and faster alternative to sendmail. The last release of qmail 1.03 was published in 1998, and since then, there have been no official updates, but the server remains an example […]

IBM has announced the opening of the Power processor architecture.

IBM has announced the transition of the Power instruction set architecture (ISA) to an open standard. In 2013, IBM already established the OpenPOWER consortium, which granted the ability to license intellectual property related to POWER and provided complete access to the specifications. However, licensing fees for chip manufacturing continued to be collected. From now on, the creation of custom chip modifications […]

A public beta of the Microsoft Edge browser based on Chromium has become available

In 2020, rumors suggested that Microsoft would replace the classic Edge browser that comes with Windows 10 with a new one based on Chromium. Now, the software giant is one step closer to this: Microsoft has released a public beta version of its new Edge browser. It is available for all supported platforms: Windows 7, Windows 8.1, and Windows 10, as well as for […]

How to Find Programming Courses and What Job Placement Guarantees Cost

Three years ago, I published my first and only article on habr.ru, which was dedicated to writing a small application using Angular 2. At that time, it was in beta, there were few tutorials available, and I found it interesting in terms of entry time compared to other frameworks/libraries from a non-programmer's perspective. In that article, I mentioned that […]

Configuring Out-Of-Memory Killer in Linux for PostgreSQL

When a Linux database server unexpectedly crashes, it's essential to find out why. There could be several reasons. For instance, SIGSEGV indicates a failure due to a bug in the backend server. However, that's rare. More often, it's simply a lack of disk space or memory. If disk space has run out, the only solution is to free up space and restart the database. Out-Of-Memory Killer: When the server […]

The Central Bank wants to add fast payments to the domestic messenger "Seraphim"

The idea of import substitution continues to occupy the minds of officials in high offices. According to "Vedomosti," the Central Bank may integrate its Fast Payment System (FPS) into the domestic messenger "Serafim." This program is designed for state companies and serves as a sort of analog to China's WeChat. Interestingly, it is claimed that only domestic crypto algorithms are employed in it. Whether this is true remains unclear, but the application […]

Chaos Constructions 2019 is Coming…

Chaos Constructions 2019 will take place on August 24-25, traditionally on the last weekend of summer, in St. Petersburg. The festival will feature more than 60 presentations at its conference. Originally focused on the demo scene, the computers that are now considered retro were once the most advanced. It all began in 1995 with the ENLiGHT festival, which was organized […]

Cloud Platform Security Audit of MCS

SkyShip Dusk by SeerLight Building any service inevitably involves ongoing work on security. Security is a continuous process that includes constant analysis and enhancement of the product's protection, monitoring news on vulnerabilities, and much more. This includes audits. Audits are conducted both internally and by external experts, who can provide significant […]

“Slurm” is highly addictive. How to turn a local meetup into a global project.

Southbridge, with its Slurm, is the only company in Russia that has a KTP (Kubernetes Training Provider) certificate. Slurm has turned one year old. During this time, 800 people have participated in our Kubernetes intensives. It's the perfect time to start writing memoirs. From September 9-11 in St. Petersburg, the Selectel conference hall will host yet another Slurm, the fifth in a row. There will be an introduction to Kubernetes: each participant will create a cluster in […]

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