DevOps & SRE notes – Telegram
DevOps & SRE notes
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Helpfull articles and tools for DevOps&SRE

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Discover how OpenSauced saved thousands of dollars by deploying low-cost open-source AI technologies! This article reveals the strategies and tools they used to optimize costs while maintaining high performance. Learn about the innovative approaches that made this cost-saving achievement possible. Stay tuned for insights into leveraging open-source solutions to maximize efficiency and minimize expenses in AI deployment.

https://opensauced.pizza/blog/how-we-saved-thousands-of-dollars-deploying-low-cost-open-source-ai-technologies
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Discover how PostgreSQL enhances the Retrieval-Augmented Generation (RAG) process in this insightful article. Learn about the integration of PostgreSQL with RAG and how it improves data retrieval and processing. The article explores key techniques, benefits, and practical applications of combining these technologies. Stay tuned to understand how PostgreSQL can elevate the performance and efficiency of RAG workflows.
https://pgdash.io/blog/rag-with-postgresql.html
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Explore "The Guide to kubectl I Never Had," an article that offers a comprehensive overview of kubectl, the command-line tool for interacting with Kubernetes clusters. This guide covers essential commands, tips, and best practices to help users effectively manage their Kubernetes environments. Stay tuned to enhance your kubectl skills and streamline your Kubernetes workflows.

https://medium.com/@jake.page91/the-guide-to-kubectl-i-never-had-3874cc6074ff
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Discover how to make a PostgreSQL query 1000 times faster in this insightful article. It delves into the techniques and optimizations used to achieve remarkable performance improvements. Learn about indexing strategies, query optimization, and other advanced methods that can significantly speed up your PostgreSQL queries. Stay tuned to uncover the secrets behind these impressive results and enhance your database performance.

https://mattermost.com/blog/making-a-postgres-query-1000-times-faster/
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Kubernetes, a powerful container orchestration platform, has become a cornerstone for deploying and managing applications in modern cloud environments. However, with its rise in popularity, Kubernetes has also become a target for attackers seeking to exploit its vulnerabilities. This article delves into the top offensive techniques used by adversaries to compromise Kubernetes clusters, providing valuable insights into the methods and tools employed. Understanding these tactics is crucial for fortifying your Kubernetes environment against potential threats.

https://medium.com/@noah_h/top-offensive-techniques-for-kubernetes-a71399d133b2
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Achieving zero downtime during application updates is a critical goal for maintaining seamless user experiences. This blog post delves into the techniques and best practices for leveraging Kubernetes to ensure zero downtime deployments. Discover strategies such as rolling updates, canary deployments, and blue-green deployments to keep your applications running smoothly and efficiently.

https://blog.devops.dev/how-to-achieve-zero-downtime-application-with-kubernetes-ba52fdea9a9b

#Kubernetes #ZeroDowntime #DevOps
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Ensuring the security and compliance of your AWS EKS clusters is vital for protecting sensitive data and maintaining operational integrity. This blog post introduces hardeneks, a powerful tool designed to simplify the process of securing your EKS clusters. Learn about its features, benefits, and how it can help you achieve robust security and compliance with ease.

https://itnext.io/hardeneks-the-easy-way-to-keep-your-aws-eks-clusters-secure-and-compliant-d9b88b615b3a

#AWS #EKS #Security
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Kubernetes has revolutionized the way applications are managed and scaled in the cloud. In the article "Understanding Kubernetes Dynamic Resource Scaling and CPU Boost," the focus is on how Kubernetes efficiently handles resource allocation to ensure optimal performance. The dynamic resource scaling and CPU boost features enable Kubernetes to automatically adjust resources based on workload demands, providing both flexibility and efficiency. This article explores the mechanisms behind these features, their benefits, and how they contribute to maintaining the balance between resource utilization and application performance.

https://cloud.google.com/blog/products/containers-kubernetes/understanding-kubernetes-dynamic-resource-scaling-and-cpu-boost
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In the article "A Tale of Two VLANs," the author explores the intricacies of Virtual Local Area Networks (VLANs) and their role in network segmentation. VLANs are critical for enhancing network security and efficiency by logically dividing a physical network into distinct broadcast domains. This article delves into the technical details of how VLANs work, the benefits they provide, and practical use cases. By understanding VLANs, network administrators can better manage traffic, improve security, and optimize network performance, ensuring a robust and scalable network infrastructure.

https://blog.miraco.la/a-tale-of-two-vlans
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Optimizing the performance of Grafana Loki can significantly enhance log management and monitoring capabilities. This blog post explores advanced techniques such as using recording rules, caching, and parallel queries to improve the efficiency and responsiveness of Grafana Loki. Learn how to implement these strategies to achieve faster query performance and better resource utilization.

https://itnext.io/grafana-loki-performance-optimization-with-recording-rules-caching-and-parallel-queries-28b6ebba40c4

#GrafanaLoki #PerformanceOptimization #LogManagement
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In the article "Exploring Kubernetes API Groups and Versions," the author dives into the architecture and organization of the Kubernetes API. Understanding API groups and versions is essential for developers and operators working with Kubernetes, as it ensures compatibility and stability across different components and extensions. This article elucidates the structure of API groups, their purposes, and how versioning helps manage the evolution of Kubernetes features. By comprehending these concepts, readers can better navigate the Kubernetes API, leverage its full capabilities, and ensure their applications remain up-to-date and resilient within the Kubernetes ecosystem.

https://devopsvoyager.hashnode.dev/exploring-kubernetes-api-groups-and-versions
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