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Helpful articles and tools for DevOps&SRE

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Showing posts older than #1919 · Back to latest

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Post #1916 2.19K
Cron jobs are powerful tools for automating repetitive tasks on Unix-based systems, allowing users to schedule commands or scripts 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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Razorops A detailed guide to cron jobs Cron jobs are scheduled commands or scripts on Unix-based systems (like Linux and macOS) that are executed at fixed times, intervals, or specific dates.
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Post #1915 2.22K
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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www.chainguard.dev Audited least privilege Strengthen your software supply chain security with audited least privilege. Learn how Chainguard's approach minimizes risk and enhances trust.
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Post #1912 2.2K
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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Cloud Intelligence™ Kubernetes Fine-Grained Horizontal Pod Autoscaling with Container Resource Metrics Use Kubernetes HPA ContainerResource metrics, stable in v1.30, to scale deployments based on a specific container's CPU or memory in multi-container pods.
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Post #1911 2.21K
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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DEV Community How Does a Docker Container Work Internally? Containers, especially Docker containers, are used everywhere, we tend to see them as small isolated...
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Post #1908 2.27K
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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stormforge.io Horizontal Pod Autoscaler Explore the Kubernetes Horizontal Pod Autoscaler’s fundamental concepts, components, and inner workings.
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Post #1907 2.4K
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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Medium AWS: VPC Flow Logs, NAT Gateways, and Kubernetes Pods — a detailed overview Understanding AWS VPC NAT Gateway, VPC Flow Logs, Source NAT, and searching for Kubernetes Pods IP in VPC logs
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Post #1904 2.14K
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 New Stack The Anatomy of Slow Code Reviews What causes code reviews to slow down? Here are some of the most common reasons and techniques for speeding things up.
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Post #1903 2.19K
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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AdityaSamant.dev ConfigMap Conundrum: Subtleties of Dynamic Updates in Kubernetes Configurations ConfigMaps are a powerful tool in Kubernetes that help you (dynamically) update configuration within a Kubernetes deployment. In this tutorial, you will learn how to change the configuration for a running application. More importantly, you will understand…
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Post #1902 2.1K
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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Last9 Whitespace in OTLP headers and OpenTelemetry Python SDK | Last9 How to handle whitespaces in the OTLP Headers with Python Otel SDK
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Post #1901 2.23K
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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www.chainguard.dev Wolfi at work: Minimal developer workstations in the cloud Secure development environments with cloud workstations powered by Chainguard's Wolfi. Learn how to reduce attack surface and improve developer productivity.
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Post #1900 2.4K
kaskade is a text user interface for kafka, which allows you to interact and consume topics from your terminal in style!

https://github.com/sauljabin/kaskade

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GitHub GitHub - sauljabin/kaskade: kaskade is a text user interface for kafka, which allows you to interact and consume topics from your… kaskade is a text user interface for kafka, which allows you to interact and consume topics from your terminal in style! - sauljabin/kaskade
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