Category: Blog

Vela → smart cache for time series and more

In fintech, we often need to process fairly large volumes of currency exchange rate data. We obtain data from various sources, each having its own perspective on how to extrapolate values for tomorrow, the day after tomorrow, next month, and even for the next three years. If someone could predict rates accurately, it would be time to close the business and […]

Using Camunda for Convenient REST-Based Orchestration and Workflow Engine (Without Java)

Hello, Habr! I present to you the translation of the article "Use Camunda as an easy-to-use REST-based orchestration and workflow engine (without touching Java)" by Bernd Rücker. 07.07.2020, translation by Bernd Rücker. I often discuss microservices architecture with people who are far from Java: C#, Node.JS/JavaScript developers or Golang enthusiasts. All of them face the fact that they need an orchestration mechanism […]

Desktop Core i7 Rocket Lake-S processors will offer 8 cores and 12 threads. Don't ask how

The next generation of Intel desktop processors will be the Rocket Lake-S family chips. Previous rumors hinted at the unusual nature of these chips — they would be a 14nm adaptation of Willow Cove cores designed for the 10nm process. However, now even stranger information has emerged that this new generation will reportedly include processors with eight cores and twelve threads. And no, we […]

The Linux 5.8 kernel has accepted recommendations for inclusive terminology.

Linus Torvalds accepted changes related to code style guidelines in the Linux 5.8 kernel branch. The third revision of the document concerning the use of inclusive terminology, which was approved by 21 prominent kernel developers, including members of the technical committee of the Linux Foundation, has been accepted. Linus was requested to include changes in kernel 5.9, but he believed there was no reason to wait […]

Guide: Your own L2TP VPN

While searching the internet for software to build your own VPN, you constantly encounter a plethora of guides related to the cumbersome setup and use of OpenVPN, requiring the proprietary Wireguard client; only SoftEther stands out from all this circus with its decent implementation. However, we will talk about the native Windows implementation of VPN – Routing And Remote Access […]

5 Best Temporary Email Services: Personal Experience

Making a temporary email service truly comfortable for oneself is no easy task. It may seem simple: you Google the query 'temporary email,' find a plethora of websites, choose a mailbox, and go about your Internet activities. However, when you need to use temporary email more often than once a year, it's better to select such a site more carefully. I'm sharing my […]

An extension AGE has been prepared for PostgreSQL to store data in graph form.

An extension for PostgreSQL called AGE (AgensGraph-Extension) has been proposed, implementing the openCypher query language for manipulating sets of interconnected hierarchical data forming a graph. Instead of columns and rows, graph-oriented databases use a structure similar to a network, defining nodes, their properties, and the relationships between them. AGE is released under the Apache 2.0 license and was contributed by Bitnine under the auspices of the Apache Foundation […]

Firefox 80 has implemented a setting for redirecting from HTTP to HTTPS.

Firefox developers have continued to advance the 'HTTPS Only' mode, in which all unencrypted requests are automatically redirected to their secure page versions (replacing 'http://' with 'https://'). In the nightly builds from which Firefox 80 will be released on August 25, a section for controlling the activation of these settings has been added to the browser preferences interface (about:preferences) under the 'Privacy & Security' section […]

5 Cyber Attacks That Could Have Been Easily Prevented

Hello, Habr! Today we want to talk about new cyberattacks that have recently been discovered by our cyber defense analytical centers. Below is a discussion about a significant data loss by a silicon chip manufacturer, a story about network shutdowns in an entire city, a bit about the risks of Google notifications, statistics on breaches in the U.S. healthcare system, and a link to Acronis' channel on YouTube. In addition to direct protection […]

How I Recovered Data in an Unknown Format from Magnetic Tape

Background As a fan of retro hardware, I once bought a ZX Spectrum+ from a seller in the UK. Along with the computer, I received several audio cassettes with games (in original packaging with instructions), as well as programs recorded on cassettes without any special markings. Surprisingly, the data on these 40-year-old cassettes was easily readable, and I managed to load almost all the games […]

Release of the Slackel 7.3 distribution.

After a year of development, the Slackel 7.3 distribution has been released, built on the foundations of the Slackware and Salix projects and fully compatible with the repositories they offer. A key feature of Slackel is the use of the constantly updated Slackware-Current branch. The graphical environment is based on the Openbox window manager. The size of the boot image, which can operate in Live mode, is 1.9 GB (32 and 64 bit). The distribution can […]

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