Category: Blog

Solaris 11.4 SRU 21

On May 20, the SRU 21 update package for Oracle Solaris 11.4 was released. The updates are available via the pkg update command. Added: Support package for 100 Gbit Mellanox ConnectX-4 and ConnectX-5 network cards, with no support for ConnectX-6. The driver does not support SR-IOV. fribidi, a free implementation of the Unicode Bidirectional Algorithm, is used for text handling in languages written right-to-left (e.g., Hebrew). libsass […]

What can happen if the transaction isolation level is weakened in databases

Hello everyone. This is Vladislav Rodin speaking. I am currently the head of the "High Load Architect" course at OTUS and also teach in courses dedicated to software architecture. In addition to teaching, as you may have noticed, I am involved in writing original material for the OTUS blog on Habr, and today I would like to dedicate this article to the launch of the "PostgreSQL" course, which is currently underway […]

Executing the docker pull and docker push commands without the docker client through HTTP requests

We had 2 bags of grass, 75 mescaline tablets, a Unix environment, a Docker repository, and the task to implement the docker pull and docker push commands without the Docker client. UPD: Question: Why all this? Answer: Load testing the product (NOT using bash; the scripts are provided for educational purposes). The decision to not use the Docker client was made to reduce additional layers (sensibly […]

Malware affecting NetBeans to inject backdoors into compiled projects

GitHub has identified malware affecting projects in the NetBeans integrated development environment, utilizing the build process for its dissemination. An investigation revealed that the malware, named Octopus Scanner, had secretly embedded backdoors in 26 open projects with repositories on GitHub. The earliest traces of Octopus Scanner date back to August 2018. The malware is capable […]

The second release of Monado, a platform for virtual reality devices.

Collabora has released version 0.2 of the Monado project, aimed at creating an open implementation of the OpenXR standard. Monado provides a runtime that fully complies with OpenXR requirements, which can be used for working with virtual and augmented reality on smartphones, tablets, PCs, and any other devices. The OpenXR standard has been prepared by the Khronos consortium and defines a universal API for creating virtual and augmented reality applications […]

I2P 0.9.46

On May 25, 2020, another update of the I2P router was released, designed to create a decentralized, anonymous, and censorship-resistant network that supports TCP and UDP and is capable of hosting services of any kind. The planned update was prepared exactly three months after the last one. As always, the developers recommend updating as soon as possible, as this is the best way to ensure security and […]

Guitarix 0.40.0

A new version of the Guitarix effects processor, aimed at guitarists, has been released. Changes: the rack has been ported to GTK3 (gtkmm3), and LV2 plugins to X11/Cairo; MIDI feedback support has been added; a new PowerAmp module has been introduced, emulating single-ended 6V6GT, push-pull EL84, among others (based on Orange Dark Terror, Princeton, etc.). Source: linux.org.ru

Data Dichotomy: Rethinking Our Relationship with Data and Services

Hello everyone! We have great news; in June, OTUS is launching the "Software Architect" course again, so we traditionally share useful material with you. If you have encountered the whole microservices story without any context, it is understandable to find it a bit strange. Breaking an application into fragments connected via a network inevitably means adding […]

Load Testing as a CI Service for Developers

One of the challenges frequently faced by multi-product software vendors is the duplication of competencies among engineers—developers, testers, and infrastructure administrators—in almost every team. This includes costly engineers—specialists in load testing. Instead of focusing on their core responsibilities and leveraging their unique expertise to establish the load testing process, choosing the methodology, […]

NFC: An Overview of Near Field Communication Technology

We are all accustomed to the presence of NFC in smartphones. It seems straightforward. Many people do not buy smartphones that lack NFC, thinking it only pertains to payments. However, there are a multitude of questions. Did you know what else this technology is capable of? What to do if your smartphone does not have NFC? How to use the chip in an iPhone without […]

An update has been released for GTA IV that restores previously removed songs and introduced a host of bugs.

When Grand Theft Auto IV returned to Steam after a brief absence due to key generation issues, the game began to be sold in the Complete Edition along with all expansions. At that time, users noticed that several songs had been removed from the project. In a recent update, Rockstar Games reinstated the missing tracks; however, serious bugs crept into the game at the same time. As reported […]

What features Microsoft has stopped developing or removed in the May update of Windows 10 (2004)

Microsoft recently began the full rollout of the major May update for Windows 10 (version 2004). As usual, the build comes with a bunch of new features, such as Windows Subsystem for Linux 2, a new Cortana app, and so on. There are several known issues that the company is working to resolve soon. Now, Microsoft has published a list of features that have been deprecated or removed in […]

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