ProHoster > Articles on: Yuri Gagarin

Author: Yuri Gagarin

A technical specialist at ProHoster with over six years of experience in server administration, VPN solutions, and network security. I manage infrastructure setup and support, monitor service stability, and implement solutions to protect client data. I also contribute to performance optimization and compliance with modern security and privacy requirements.

Validation of Kubernetes YAML for compliance with best practices and policies

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Note from the translator: As the number of YAML configurations for K8s environments increases, the need for automated validation becomes more relevant. The author of this review not only selected existing solutions for this task but also examined how they work using an example of a Deployment. It turned out to be quite informative for those interested in this topic. TL;DR: The article compares six static validation tools and […]

The Matrix client Riot has been renamed to Element

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The developers of the Matrix client Riot have announced a name change to Element. The company developing the software, New Vector, founded in 2017 by key developers of the Matrix project, has also been renamed to Element, and the hosting of Matrix services in Modular.im is now called Element Matrix Services. The necessity for the name change is due to conflicts with the existing trademark of Riot Games, preventing the registration of their own Riot trademark for […]

The Matrix messenger Riot has been renamed to Element

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The parent company, involved in developing reference implementations of Matrix components, has also been renamed — New Vector is now Element, and the commercial service Modular, which provides hosting (SaaS) for Matrix servers, is now Element Matrix Services. Matrix is a free protocol for implementing a federated network based on a linear event history. The flagship implementation of this protocol is a messenger that supports VoIP call signaling and […]

Anycast vs Unicast: what to choose in each case

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Many have surely heard of Anycast. With this method of network addressing and routing, a single IP address is assigned to multiple servers in the network. These servers can even be located in data centers that are far apart. The idea of Anycast is that, depending on the location of the request sources, the data is sent to the closest server (according to the network topology, more precisely — BGP routing protocol). Thus, […]

What to expect from the beta version of Proxmox Backup Server

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On July 10, 2020, the Austrian company Proxmox Server Solutions GmbH released a public beta version of its new backup solution. We have already discussed how to use built-in backup methods in Proxmox VE and perform incremental backups with the third-party solution — Veeam® Backup & Replication™. Now, with the emergence of Proxmox Backup Server (PBS), the backup process should become […]

Incremental Backup in Proxmox VE Using VBR

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In one of the previous articles in our series about the Proxmox VE hypervisor, we already explained how to perform backups using built-in tools. Today, we will show how to use the excellent tool Veeam® Backup & Replication™ 10 for the same purpose. "Backups have a clear quantum essence. Until you attempt to restore from a backup, it exists in superposition. It is both successful and unsuccessful at the same time." […]

The package reporting component will be removed from the base Ubuntu installation.

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Michael Hudson-Doyle from the Ubuntu Foundations Team has announced the decision to remove the popcon (popularity-contest) package from the main Ubuntu lineup. This package was used to transmit anonymized telemetry regarding the downloading, installing, updating, and removing of packages. Reports on the popularity of applications and used architectures were generated based on the collected data, which developers utilized to make decisions about including certain […]

The Mozilla VPN service has officially launched.

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Mozilla has launched the Mozilla VPN service, allowing users to connect up to 5 devices through a VPN for $4.99 per month. Currently, access to Mozilla VPN is open to users in the United States, the United Kingdom, Canada, New Zealand, Singapore, and Malaysia. The VPN application is available only for Windows, Android, and iOS, with support for Linux and macOS promised to be added later. […]

Chrome 84 Release

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Google has released version 84 of the Chrome web browser. At the same time, a stable release of the open-source project Chromium, which serves as the foundation for Chrome, is available. The Chrome browser is distinguished by the use of Google logos, a crash notification system, the ability to load Flash on demand, modules for playing protected video content (DRM), an automatic update installation system, and the transmission of RLZ parameters during searches. The next release, Chrome 85 […]

Zextras launches its own version of the Zimbra 9 Open Source mail server

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On July 14, 2020, Vicenza, Italy — Leading global developer of open-source extensions Zextras released its own version of the popular email server Zimbra with downloads from its own repository and support. Zextras solutions add collaboration, communication, storage support, mobile device management, real-time backup and recovery, and multi-tenant infrastructure administration capabilities to the Zimbra email server. Zimbra is […]

Apache & Nginx. Linked in a chain

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How the Apache & Nginx combination is implemented in Timeweb For many companies, Nginx + Apache + PHP is a very typical and common stack, and Timeweb is no exception. However, understanding how it is implemented can be interesting and useful. The use of such a stack is certainly driven by the needs of our clients. Both Nginx and Apache play a special role, each […]

Cheat sheet for quick Data preprocessing

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Often, people entering the field of Data Science have unrealistic expectations about what awaits them. Many believe they will soon be writing amazing neural networks, creating a voice assistant like Iron Man, or beating everyone in financial markets. However, the work of a Data Scientist is heavily data-driven, and one of the most important and time-consuming aspects is […]

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