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

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In the fast-paced world of software development, production incidents can be costly and disruptive, making prevention a top priority for teams. This article explores the intriguing question of whether a well-crafted explanation can serve as a powerful tool in averting potential disasters in production environments, challenging developers to rethink their approach to code documentation and communication.

https://jaywhy13.hashnode.dev/can-a-good-explanation-really-prevent-a-prod-incident

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Chainguard has introduced minimal Wolfi-based cloud workstations for their developers, extending their security principles beyond production environments. These workstations offer an always-up-to-date, standard, auditable, minimal, and ephemeral development environment in the cloud, built on top of Google's Cloud Workstations product

https://www.chainguard.dev/unchained/wolfi-at-work-minimal-developer-workstations-in-the-cloud

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The article addresses a common issue encountered when using the OpenTelemetry Python SDK to send telemetry data, specifically focusing on handling whitespace in OTLP headers. It explains the problem of invalid header format warnings and provides a solution for escaping the value part of the basic auth header to ensure proper data transmission.


https://last9.io/blog/whitespace-in-otlp-headers-and-opentelemetry-python-sdk/

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The article "ConfigMap Conundrum: Subtleties of Dynamic Updates in Kubernetes Configurations" explores the complexities of managing dynamic updates to ConfigMaps in Kubernetes environments. It likely delves into the challenges and nuances involved in updating ConfigMaps while applications are running, and how these changes affect the overall system behavior in a Kubernetes cluster.

https://blog.adityasamant.dev/configmap-conundrum-subtleties-of-dynamic-updates-in-kubernetes-configurations

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The Anatomy of Slow Code Reviews" examines the common causes and consequences of delayed code review processes in software development. The article likely explores factors contributing to review bottlenecks and offers strategies to streamline the code review workflow, enhancing team productivity and software quality.

https://thenewstack.io/the-anatomy-of-slow-code-reviews/

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The article — a detailed overview" delves into the intricacies of AWS networking, focusing on VPC Flow Logs, NAT Gateways, and their interaction with Kubernetes pods. It explores the complexities of tracking network traffic in AWS Elastic Kubernetes Service environments and provides insights into understanding and optimizing NAT Gateway usage and costs.

https://itnext.io/aws-vpc-flow-logs-nat-gateways-and-kubernetes-pods-a-detailed-overview-43a6541bcc35

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The Horizontal Pod Autoscaler (HPA) is a Kubernetes feature that automatically adjusts the number of pod replicas in a deployment, replication controller, or replica set based on observed CPU utilization or custom metrics. This article likely explores the functionality, configuration, and benefits of HPA in Kubernetes environments, helping users optimize resource allocation and application performance.

https://stormforge.io/kubernetes-autoscaling/horizontal-pod-autoscaler

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The article likely explores the inner workings and architecture of Docker containers, a popular technology for application deployment and virtualization. It probably delves into the core concepts of containerization, explaining how Docker containers isolate processes and manage resources on a host system.


https://dev.to/zeedu_dev/how-does-a-docker-container-work-internally-1o23

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The author introduces Kubernetes' fine-grained Horizontal Pod Autoscaling (HPA) using container resource metrics, a feature that graduated to stable in Kubernetes v1.30. This enhancement allows HPA to target individual container metrics within a pod, enabling more precise scaling decisions based on the resource utilization of specific containers rather than the entire pod's average usage.

https://engineering.doit.com/kubernetes-fine-grained-horizontal-pod-autoscaling-with-container-resource-metrics-9d96c9e105ca

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The principle of least privilege is a foundational security practice aimed at minimizing access by granting only the necessary permissions to identities, ensuring tighter control over resources. In this article, Chainguard CTO Matt Moore introduces the concept of Audited Least Privilege, a complementary approach that leverages IAM audit logs and alert policies to enhance resource-centric security as part of a layered defense strategy.


https://www.chainguard.dev/unchained/audited-least-privilege

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Cron jobs are powerful tools for automating repetitive tasks on Unix-based systems, allowing users to schedule commands or noscripts to run at specific times or intervals. This comprehensive guide delves into the intricacies of cron jobs, covering everything from basic syntax and setup to advanced monitoring techniques and best practices for efficient system management.

https://razorops.com/blog/a-detailed-guide-to-cron-jobs

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