Cluster-Management on Support Tools

Kubernetes Debugging Tools: Complete Guide to Cluster Troubleshooting

Fri, 07 Feb 2025 00:00:00 +0000

Debugging Kubernetes clusters effectively is crucial for maintaining reliable container orchestration in production environments. Whether you’re troubleshooting pod crashes, investigating network connectivity issues, or optimizing cluster performance, having the right debugging tools and knowledge is essential. This comprehensive guide covers the most powerful Kubernetes debugging tools and techniques used by DevOps professionals and Site Reliability Engineers (SREs).

Install Kubernetes Dashboard

Mon, 16 Sep 2024 19:26:00 -0500

The Kubernetes Dashboard is a web-based user interface that allows you to manage and monitor your Kubernetes cluster. It provides a simplified way to view your cluster’s resources, troubleshoot issues, and perform basic management tasks. In this guide, we’ll walk you through how to install the Kubernetes Dashboard and configure access to it.

Kubernetes Events: How to Keep Historical Data of Your Cluster Elasticsearch

Thu, 13 Oct 2022 09:30:00 -0500

Kubernetes Events: How to Keep Historical Data of Your Cluster

Are you running a Kubernetes cluster in production? If so, you’ve likely encountered unexpected issues that can disrupt your applications. Recently, I had a production application POD crash, and it took me hours to discover that it was OOMKilled. Surprisingly, I couldn’t find relevant information when running the kubectl event command.

I later discovered that Kubernetes only retains event history for a mere 1 hour by default. While you can customize this by tweaking the kube-apiserver with a special flag, most clusters stick with the default setting: