Category: Blog

Corrective update Firefox 77.0.1

A corrective update Firefox 77.0.1 has been released, which disables the automatic selection of the DNS over HTTPS (DoH) provider during testing for a gradual rollout to avoid peak loads on DoH providers. The testing check for DoH implemented in Firefox 77, which sends 10 trial requests from each client, turned into a sort of DDoS attack on the NextDNS service, which could not handle it.

How to Use kubectl More Effectively: A Detailed Guide

If you work with Kubernetes, then kubectl is likely one of your most used tools. Whenever you spend a lot of time working with a specific tool, it makes sense to study it well and learn how to use it effectively. The Kubernetes aaS team from Mail.ru has translated an article by Daniel Weibel where you will find tips and tricks for efficient work […]

BLE Under the Microscope (ATT and GATT...)

BLE Under the Microscope (ATTs and GATTs…) Part 1, Overview It has been quite some time since the first specification for Bluetooth 4.0 was released. Although the topic of BLE is very interesting, it still deters many developers due to its complexity. In my previous articles, I mainly focused on the very low-level Link Layer and Physical Layer. […]

Results of reassembling the Debian package base using Clang 10

Sylvestre Ledru has published the results of rebuilding the Debian GNU/Linux package archive using the Clang 10 compiler instead of GCC. Out of 31,014 packages, 1,400 (4.5%) failed to build, but by applying an additional patch to the Debian toolchain, the number of unbuilt packages was reduced to 1,110 (3.6%). For comparison, when building with Clang 8 and 9, the number of packages that could not be built was higher.

Automated testing of microservices in Docker for continuous integration

In projects related to microservice architecture development, CI/CD transitions from a pleasant option to a pressing necessity. Automated testing is an integral part of continuous integration, and a smart approach to it can offer the team many enjoyable evenings with family and friends. Otherwise, the project risks never being completed. You can cover the entire microservice code with unit tests […]

Introduction to Control Theory. Key Concepts of Control Theory for Technical Systems

I am publishing the first chapter of lectures on the theory of automatic control, after which your life will never be the same. The lectures for the course "Control of Technical Systems" are delivered by Oleg Stepanovich Kozlov at the department of "Nuclear Reactors and Energy Installations" of the Faculty of "Energy Machine Engineering" at Bauman Moscow State Technical University. He deserves great gratitude for this. These lectures are being prepared for publication as a book, and […]

Google has expanded the capabilities of its proprietary security keys on iOS.

Today, Google announced the implementation of W3C WebAuth support for Google accounts on Apple devices running iOS 13.3 and above. This enhances the usability of Google’s encryption hardware keys on iOS and allows for more types of security keys to be used with Google accounts. With this innovation, iOS users can use the Google Titan Security key.

The Chromium-based Edge browser is now available through the Windows Update center.

The final version of the Edge browser, based on Chromium, became available back in January 2020. However, to install the application, users had to manually download it from the company's website first. Now, Microsoft has automated the process. During the installation, the previous version did not replace the old Microsoft Edge (Legacy). Additionally, it lacked some basic elements that were planned to be included in the final build.

Release of Tails 4.7 distribution

The release of the specialized Tails 4.7 distribution (The Amnesic Incognito Live System), based on the Debian package base and designed for anonymous internet access, has been formed. Anonymous access in Tails is ensured by the Tor system. All connections, except for traffic through the Tor network, are blocked by a packet filter by default. To store user data in a persistent manner between sessions, user data storage is used.

Tor Browser 9.5 is available

After six months of development, a significant release of the specialized browser Tor Browser 9.5 has been formed, continuing the functionality enhancements based on the ESR branch of Firefox 68. The browser focuses on ensuring anonymity, security, and privacy, with all traffic routed exclusively through the Tor network. Direct access via the standard network connection of the current system is impossible, making it untraceable to identify the user's real IP address (in the case of […

Release of Devuan 3 Beowulf

On June 1, Devuan 3 Beowulf was released, which corresponds to Debian 10 Buster. Devuan is a fork of Debian GNU/Linux without systemd, which "gives users control over the system by avoiding excessive complexity and ensuring the freedom to choose the initialization system." Key features: Based on Debian Buster (10.4) and Linux kernel 4.19. Added support for ppc64el (also supports i386, amd64, armel, armhf, arm64) […

Firefox 77

Firefox 77 is now available. A new certificate management page — about:certificate. The address bar can now distinguish entered domains from search queries containing a dot. For example, entering "foo.bar" will no longer attempt to open the site foo.bar; instead, it will perform a search. Improvements for users with disabilities: The list of handler applications in the browser settings has become accessible for screen readers. Issues have been fixed with […

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