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Experience in developing the Refund Tool service with an asynchronous API on Kafka

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What could prompt such a large company as Lamoda, with its established processes and dozens of interconnected services, to significantly change its approach? The motivation can vary greatly, from legislative requirements to the inherent desire of all programmers to experiment. However, this does not mean that one cannot expect additional benefits. Sergey Zaika (fewald) will explain what specific advantages can be gained by implementing an events-driven API on Kafka, including the bumps along the way and interesting discoveries. […]

Warp - VPN, DNS, and traffic compression from Cloudflare

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April 1st is not the best day to announce a new product, as many might think it's just another joke, but the Cloudflare team thinks differently. After all, this is a significant date for them since the address of their main mass product—a fast and anonymous DNS server—is 1.1.1.1 (4/1), which was also launched on April 1st last year. […]

Synthesis as one of the methods for improving PostgreSQL performance

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Philosophical Introduction It is known that there are only two methods for solving problems: The method of analysis or the method of deduction, or from the general to the specific. The method of synthesis or the method of induction, or from the specific to the general. To solve the problem of ‘improving database performance’, this may look as follows. Analysis involves breaking the problem into separate parts and attempting to solve them. […]

Scythe has introduced the compact 'tower' Byakko 2.

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Scythe has unveiled an updated version of its relatively small tower-type cooling system, named Byakko 2. It differs from its predecessor primarily with a new fan and a larger radiator. The Byakko 2 cooling system is built on three nickel-plated copper heat pipes with a diameter of 6 mm, which are gathered in a nickel-plated copper base. The pipes […]

What will it take to build blockchain?

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The entire history of mankind is a continuous process of breaking chains and creating new, even stronger ones. (Anonymous) Analyzing numerous blockchain projects (Bitshares, Hyperledger, Exonum, Ethereum, Bitcoin, etc.), I realize that from a technical standpoint, they are all built on the same principles. Blockchains are like houses, which, despite their diverse constructions, decorations, and purposes, share a foundation. […]

5. Check Point Getting Started R80.20. Gaia & CLI

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Welcome to lesson 5! Last time, we completed the installation and initialization of the management server and the gateway. So today, we're going to 'dig around' in their internals, specifically in the settings of the Gaia operating system. The Gaia settings can be divided into two main categories: System settings (IP addresses, Routing, NTP, DNS, DHCP, SNMP, backups, system updates, etc.). These parameters […]

Zabbix 4.2 has been released

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Our team is very pleased to share the news that the release of the open-source monitoring system Zabbix 4.2 has taken place! Is version 4.2 the answer to the ultimate question of life, the universe, and monitoring as a whole? Let’s take a look! Reminder: Zabbix is a versatile system for monitoring the performance and availability of servers, engineering and networking equipment, applications, databases.

Dmitry Dumik, Chatfuel: on YCombinator, technological entrepreneurship, behavior change, and mindfulness

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I spoke with Dmitry Dumik, the CEO of the California-based chatbot startup Chatfuel and a resident of YCombinator. This is the sixth in a series of interviews with masters of their craft about product-driven approaches, behavioral psychology, and tech entrepreneurship. Let me share a story. I learned about you through a mutual friend in San Francisco as someone with some impressive remixes on Soundcloud. The mixes I […]

Engineer and marketer Tom Petersen has transitioned from NVIDIA to Intel.

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NVIDIA has lost its long-time director of technical marketing and outstanding engineer Tom Petersen. He announced last Friday that he finished his last day at the company. Although his new job has not been officially disclosed, sources at HotHardware claim that Intel's visual computing division leader Ari Rauch has successfully recruited Mr. Petersen to join the team working on […]

A new remote and gamepad for NVIDIA Shield TV?

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The NVIDIA Shield TV was one of the first media streaming devices for televisions based on Android to come to market, and it still remains one of the best. NVIDIA continues to release regular updates for the device, and it seems that another one is in the works, which will not just be another firmware update. The Shield TV is built on […]

How to prohibit standard passwords and make everyone hate you

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Humans are known to be lazy beings, especially when it comes to choosing a strong password. I believe that every administrator has faced the problem of using easy and standard passwords. This phenomenon is often seen among the upper echelons of company management. Yes, indeed, among those who have access to confidential or commercial information, and it would be extremely undesirable to deal with the consequences.

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