Sam Gabrail’s Post

Learn how to use Kyverno, the native policy engine for Kubernetes, to enforce policies, validate configurations, and manage resources dynamically within your Kubernetes clusters. https://lnkd.in/gzFVQQDt

Best Practices for Connection Draining in Native Kubernetes HTTP Services Have you ever experienced sudden disruptions or failed requests during a rolling update in Kubernetes? Perhaps you've noticed that users are still being routed to a pod that's in the process of shutting down, causing connection timeouts or incomplete responses. Or maybe you've seen traffic hitting newly created pods that aren’t fully ready yet, leading to application instability. These issues are common symptoms of improper connection draining—a process crucial for ensuring smooth transitions when adding or removing pods in a Kubernetes environment. Without proper connection draining, users can experience downtime, service degradation, or incomplete transactions during scaling operations or rolling updates. Fortunately, Kubernetes offers built-in mechanisms to address these challenges. By understanding how to manage pod readiness, configure graceful termination, and implement lifecycle hooks like preStop, you can prevent these disruptions and ensure that your HTTP services handle traffic seamlessly, even during updates. If you are interested, pls read the following article to know more.

The Kubernetes 1.32 release introduces an exciting new feature: Pod-level resource limits and requests. Finally, we can now set Pod-level resource limits and requests through the Pod API. This feature enables more predictable and efficient management of the resources consumed by a Pod. When I first read about this enhancement proposal, I recognized it as an essential capability, though I had no idea how long it would take to come to fruition. After four years of effort from dedicated contributors, it has finally been released as an Alpha feature. Enhancement Proposal: https://lnkd.in/gFwBAFU9

Explore the new beta feature in Kubernetes v1.31 that enhances application performance through consistent reads from cache. This article details how caching strategies can improve efficiency within containerized environments, offering valuable insights for developers and IT professionals aiming to optimize their Kubernetes applications. Learn how to leverage this capability to accelerate cluster performance and boost overall application efficiency.

Kubernetes Native Sidecar Containers Explained 🔽 Kubernetes Pods support several types of containers: - init - regular - ephemeral - ...and since 1.28, "sidecars" https://lnkd.in/gsKWkeut

kube-lock A pane of glass between you and your Kubernetes clusters. Sits as an intermediary between you and kubectl, allowing you to lock and unlock contexts. Prevents misfires to production / high-value Kubernetes clusters that you might have strong IAM privileges on. #devopskhan

How to Check if Kubernetes Ingress Worked with Traefik https://dy.si/MDG3GS

A couple of days ago I needed to migrate a Kubernetes PVC to an air-gapped environment, and I needed to migrate it fast. There was no way to open a network path between source and destination clusters. Failing to find a tool to help me do that quickly, I resorted to writing my own little portable script that uses none other than piped kubectl api calls to do the transfer. Barely any dependencies, its a single downloadable bash script that's readable, customizable, generic and fairly quick. PVC migrations are like.. pretty easy to do now. Inspired by Utku Özdemir's fully featured pv-migrate (found here: https://lnkd.in/gwQCiMq3), which does an rsync between PVs mounted in pods, I thought I'd make it public in hopes for it helping others in need :-) Here it is: easy-migrate-pvc - https://lnkd.in/gUhSNMwh

Exploring Kubernetes Namespaces! 🏷️ Today, I delved into the concept of namespaces in Kubernetes and how they help manage resources efficiently in a shared cluster environment. From providing isolation and preventing naming conflicts to setting resource limits and enhancing access control, namespaces are a powerful tool for organizing and managing resources. Check out my latest blog where I simplify these concepts and share practical examples to get you started with namespaces! #Kubernetes #Namespaces Blog Link : https://lnkd.in/dfhjRvmG Note : The reference image is taken from the internet.

How to Check if Kubernetes Ingress Worked with Traefik https://dy.si/us7bZj