Blog Section
Hello, Habr! I present to you the translation of the article "Children’s Exposure to Digital Technology Causes Parental Anxiety" by Kim Flaherty and Kate Moran. While parents in America worry about their children enjoying technological advancements, parents in China think about how to protect their kids from technological madness. How do technologies affect modern children and their lives? […]
Google has opened the source code for the development toolkit for the Cardboard platform, which allows any smartphone to create affordable virtual reality headsets. In its simplest form, creating a headset involves cutting a cardboard frame to hold the smartphone in front of the user's eyes, along with using two lenses for focusing. The Google VR SDK for developing virtual reality applications […]
The release of NethServer 7.7 has been introduced, offering a modular solution for the quick deployment of servers in small offices or mid-sized enterprises. The distribution is based on the CentOS 7.7 package base and provides a web interface for managing available server components. The installation image size is 1.1 GB. An online demonstration is available for users to explore the capabilities of the interface. The project's contributions are distributed under open licenses. Users are offered […]
Hello, Habr! I am Artem Karamyshev, head of the system administration team at Mail.Ru Cloud Solutions (MCS). Over the past year, we've launched many new products. We aimed to ensure that our API services are easily scalable, fault-tolerant, and ready for rapid growth in user load. Our platform is built on OpenStack, and I want to share the challenges of component fault tolerance that we had to address, […]
Recently, a phenomenon known as blog spam has spread in the foreign internet. Essentially, this is a form of SEO spam that utilizes popular online platforms for promotion. Most often, the publication consists of poorly connected and meaningless text, either artificially generated ('grinder') or compiled from several existing sources by an author who is not a subject matter expert and mindlessly copies pieces […]
The release of the NethServer 7.7 distribution, based on CentOS, has occurred. The main feature of the product is its modular architecture, which simplifies transforming the distribution into a mail server and filter, web server, groupware software, firewall, web filter, IPS/IDS, or VPN server. The new version of NethServer includes: a fully featured Cockpit, available by default for new installations, simplifying server administration by providing a modern and […]
Jolla has released the operating system Sailfish 3.2. Builds have been prepared for devices including Jolla 1, Jolla C, Sony Xperia X, Gemini, Sony Xperia 10, and are now available as OTA updates. Sailfish uses a graphical stack based on Wayland and Qt5 libraries, with the system environment built on Mer, which has been evolving as part of Sailfish since April, along with packages […]
The release of the free distribution OpenIndiana 2019.10 has taken place, succeeding the binary distribution of OpenSolaris, the development of which was ceased by Oracle. OpenIndiana provides users with a working environment based on a fresh slice of the Illumos project's codebase. The development of OpenSolaris technologies continues within the Illumos project, which includes the kernel, network stack, file systems, drivers, and a core set of user system utilities […]
Low DNS latency is a key factor for fast internet performance. To minimize it, it's crucial to carefully select DNS servers and anonymous relays. But first, we need to eliminate unnecessary queries. That’s why DNS was originally designed as a highly cacheable protocol. Zone administrators set the time-to-live (TTL) for individual records, and resolvers use this information when caching records […]
Let us tell you a cool story about how 'third parties' tried to disrupt our clients' operations and how this issue was resolved. How It All Started It all began on the morning of October 31, the last day of the month, when many urgently needed to resolve pressing and important matters. One of our partners, who keeps several virtual machines in our cloud […]
After several years of productive work, a decision was made to present our first product for climate management in smart homes to the public — a smart thermostat for controlling underfloor heating. What is this device? It is a smart thermostat for any electric underfloor heating system up to 3kW. It is managed through an application, web page, HTTP, MQTT, making it easy to integrate into all systems […]
Hello everyone! A few months ago, we launched our new open-source project in production — a Grafana plugin for monitoring Kubernetes, which we named DevOpsProdigy KubeGraf. The plugin's source code is available in a public repository on GitHub. In this article, we want to share the story of how we created the plugin, what tools we used, and the challenges we faced along the way […]