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The Open Data Hub project is an open platform for machine learning based on Red Hat OpenShift.

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The future has arrived; artificial intelligence and machine learning technologies are already successfully utilized by your favorite stores, transportation companies, and even turkey farms. If something exists, it means there's already information about it online... an open project! See how Open Data Hub helps scale new technologies and avoid difficulties in their implementation. Despite all the benefits of artificial intelligence (artificial […]

GitLab is making changes for cloud and commercial product users

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This morning, a letter arrived from GitLab regarding changes to the service agreement. The translation of this letter will follow. Translation: Important updates to our Service Agreement and Telemetry Services Dear GitLab user! We have updated our Service Agreement concerning our use of telemetry services. Current clients using our proprietary products (the GitLab.com service and Enterprise Edition on their own infrastructure) […]

CSE: Kubernetes for those in vCloud,

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Hello everyone! It has so happened that our small team, not to say recently, and certainly not suddenly, has grown to the point of migrating some (and eventually all) products to Kubernetes. There were many reasons for this, but our story is not about the debate. When it came to foundational infrastructure, our options were limited. vCloud Director and vCloud Director. We chose the one that […]

Backup, Part 7: Conclusions

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This note concludes the series on backup strategies. It will discuss the logical organization of a dedicated server (or VPS) that is convenient for backups, and will also propose a method for quickly restoring a server from a backup without significant downtime in the event of a failure. Initial data A dedicated server usually has at least two hard drives used for organizing a RAID array […]

Fear, pain, and hatred of technical support

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Habr is not a complaint book. This article discusses free tools from Nirsoft for Windows system administrators. When contacting technical support, people often experience stress. Some worry that they will be unable to explain the problem and will appear foolish. Others are overwhelmed with emotions and find it hard to contain their outrage regarding service quality — as it was not the case before […],

DevOps and Chaos: Software Delivery in a Decentralized World

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Anton Weiss, founder and director of Otomato Software and one of the initiators and instructors of Israel's first DevOps certification, spoke last year at DevOpsDays Moscow about chaos theory and the main principles of chaos engineering, and explained how the ideal DevOps organization of the future is structured. We have prepared a text version of the presentation. Good morning! DevOpsDays in Moscow is taking place for the second year in a row, this is my second time here […]

What's new in Zabbix 4.4

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The Zabbix team is excited to announce the release of Zabbix 4.4. The latest version comes with a new Zabbix agent written in Go, sets standards for Zabbix templates, and provides enhanced visualization capabilities. Let's take a look at the key features included in Zabbix 4.4. The next-generation Zabbix agent Zabbix 4.4 introduces a new type of agent, zabbix_agent2, which offers a wide range of new […]

Filling the gaps in the Kubernetes cluster. Presentation and transcript from DevOpsConf

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Pavel Selivanov, solution architect at Southbridge and instructor at Slyrm, presented a lecture at DevOpsConf 2019. This lecture is part of one of the topics of the advanced course on Kubernetes, 'Slyrm Mega.' Slyrm Basics: Introduction to Kubernetes will take place in Moscow from November 18-20. Slyrm Mega: Looking Under the Hood of Kubernetes — Moscow, November 22-24. Slyrm Online: both Kubernetes courses are always available. […]

Pavel Selivanov, solutions architect at Southbridge and instructor at Slyerma, presented a talk at DevOpsConf 2019.

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At Variti, we specialize in traffic filtering, developing protection against bots and DDoS attacks for online stores, banks, media, and more. Some time ago, we considered offering limited functionality of our service to users of various marketplaces. This solution was intended to attract small companies whose operations are not heavily reliant on online activity, and which do not […]

Apache Ignite Zero Deployment: is it really Zero?

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We are the technology development department of a retail network. Once, management set the task of speeding up extensive computations using Apache Ignite in conjunction with MSSQL, showcasing a website with excellent illustrations and Java code examples. The site immediately drew attention with Zero Deployment, the description of which promises wonders: you don’t have to manually deploy your Java or Scala code on each node […]

How does kubectl exec work?

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Note from the translator: the article's author, Erkan Erol, an engineer from SAP, shares his exploration of the mechanisms of the kubectl exec command, so familiar to all working with Kubernetes. He accompanies the entire algorithm with listings of the Kubernetes source code (and related projects), which allow for a deep understanding of the topic as required. One Friday, someone approached me […]

Deploy applications using Docker Swarm

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The online video content recommendation system we are working on is a proprietary commercial development and technically represents a multi-component cluster of proprietary and open-source components. The purpose of this article is to describe the implementation of a Docker Swarm clustering system for the staging environment while maintaining the established workflow of our processes under time constraints. The narrative presented to you is divided into two parts. […]

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