Author: Yuri Gagarin

ClickHouse for advanced users in Q&A

In April, Avito engineers held an online gathering with the chief developer of ClickHouse, Alexey Milovidov, and Kirill Shvakov, a Golang developer from Integros. They discussed how we use the database management system and the challenges we face. Based on the meeting, we compiled an article with expert answers to our and audience questions about backups, data resharding, external dictionaries, the Golang driver, and version updates for ClickHouse. You can find it here […]

Go optimizations in VictoriaMetrics. Alexander Valialkin

I would like to share the transcript of Alexander Valyalkin's talk from the end of 2019 titled 'Go optimizations in VictoriaMetrics.' VictoriaMetrics is a fast and scalable database management system for storing and processing time series data (a record consists of a timestamp and a set of corresponding values at that time, for example, obtained through periodic polling of sensor states or metric collection). Here’s a link to the video of this talk — […]

Google's Read Along app will help children improve their reading skills

Google has launched a new mobile app for children called Read Along. With this app, elementary school-aged children can enhance their reading skills. The app currently supports several languages and is available for download from the Play Market digital content store. Read Along is based on the educational app Bolo, which was launched in India a few months ago. […]

Release of the Matrix client Riot 1.6 with end-to-end encryption

The developers of the decentralized communication system Matrix have introduced new releases of the key client applications: Riot Web 1.6, Riot Desktop 1.6, Riot iOS 0.11.1 and RiotX Android 0.19. Riot is written using web technologies and the React framework (utilizing the React Matrix SDK wrapper). The desktop version is built on the Electron platform. The code is released under the Apache 2.0 license. The key improvement in […]

Matrix/Riot with end-to-end encryption for personal messages by default

New Vector, the company whose employees also lead the non-profit organization of the Matrix protocol, has announced the release of a number of Riot family Matrix clients. Matrix is a free protocol for implementing a federated network built on a linear event history within a directed acyclic graph (DAG). The main implementation of this protocol is a messenger with VoIP signaling support, but other applications are also possible, as […]

A simplified and very brief history of the development of 'clouds'

Quarantine and self-isolation have significantly impacted the online development of businesses. Companies are changing their approaches to customer interaction, leading to the emergence of new services and offerings. This brings its own advantages. While some organizations may revert to traditional ways of working as soon as all restrictions are lifted, many who have realized the benefits of the internet will continue to grow online. This is in […]

Prometheus: monitoring HTTP via the Blackbox exporter

Hello everyone. In May, OTUS is launching a workshop on monitoring and logging both infrastructure and applications using Zabbix, Prometheus, Grafana, and ELK. In this context, we traditionally share useful materials on the topic. The Blackbox exporter for Prometheus allows for monitoring external services via HTTP, HTTPS, DNS, TCP, and ICMP. In this article, I will show you how […]

The launch of the TON blockchain platform took place without the participation of Pavel Durov and Telegram

The Free TON Community (consisting of developers and potential users of the TON platform) has launched the Free TON blockchain platform. This was reported by RBC citing a statement from the community, which said that Telegram founder Pavel Durov, who was banned by U.S. authorities from issuing cryptocurrency, did not participate in the launch of the platform. According to available information, instead of Gram tokens, project participants will receive tokens […]

Oracle Linux 8.2 distribution is now available

Oracle has released the industrial distribution of Oracle Linux 8.2, based on the package base of Red Hat Enterprise Linux 8.2. An installation ISO image, sized 6.6 GB, is available for unlimited download after free registration, prepared for x86_64 and ARM64 architectures. Oracle Linux offers unlimited and free access to the yum repository with binary package updates with fixes […]

Release of UbuntuDDE 20.04 distribution with Deepin desktop

The release of UbuntuDDE 20.04, based on the Ubuntu 20.04 LTS codebase and shipped with the DDE (Deepin Desktop Environment), has been published. The project is currently an unofficial edition of Ubuntu, but the developers are negotiating with Canonical about including UbuntuDDE in the official Ubuntu distributions. The ISO image size is 2.2 GB. UbuntuDDE offers the Deepin 5.0 desktop release and […]

Microsoft offers a reward of up to $100,000 for identifying vulnerabilities in the Linux platform Azure Sphere

Microsoft has announced its readiness to pay a reward of up to one hundred thousand dollars for identifying a vulnerability in the Azure Sphere IoT platform, built on the Linux kernel and using sandbox isolation for core services and applications. The reward is promised for demonstrating vulnerabilities in the Pluton subsystem (root of trust implemented in the chip) or Secure World (sandbox). The reward is part of a three-month research program, […]

Buttplug: an open-source software suite for teledildonics

Buttplug — an open standard and software suite for controlling intimate devices such as phalluses, sex machines, electrostimulators, and more. Features: A set of libraries for Rust, C#, JavaScript/TypeScript, and other popular programming languages; Support for devices like Kiiroo, Lovense, Erostek, and others. A complete list is here; Supports control via Bluetooth, USB, HID, Serial interfaces, and also voice control; The source code is open […]

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