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Every article and guide on Support Tools, newest first.
How to Create a Swap File on Linux Using the dd Command
2 min readIn this guide, we’ll go over the steps to create a swap file on Linux using the dd command. Once the swap file is set up, we’ll configure it in /etc/fstab so it activates …
How to Mount an AWS S3 Bucket Locally on Linux Using Mountpoint
2 min readMountpoint for AWS S3 is a high-performance, open-source file client that lets you mount an Amazon S3 bucket as a local file system on Linux. This guide walks you through the steps …
Reload Prometheus ConfigMap without Restarting the Kubernetes Pod
2 min readIn Kubernetes, Prometheus configuration changes traditionally require a pod restart to take effect. However, using a configuration reload method, you can avoid downtime and ensure …
Rsync: Backup Tool
3 min readRsync is a powerful command-line tool used in Linux for efficient file synchronization and data transfer. It minimizes data transfer by only copying file differences, making it …
Avoiding Namespace Confusion in Kubernetes Deployments
4 min readKubernetes namespaces logically group objects together, providing a degree of isolation in your cluster. Creating a namespace for each team, app, and environment prevents name …
Optimizing Load Balancers in Kubernetes with Ingress Controllers
4 min readRunning multiple LoadBalancer services in your cluster can be useful but is often unintentionally wasteful. Each LoadBalancer service you create will provision a new load balancer …
Understanding Rancher's Codebase: A Guide for Support Engineers
11 min readAs a support engineer working with Rancher, understanding the codebase on GitHub is essential for troubleshooting, debugging, and providing effective support. The Rancher codebase …
Avoiding Service Port Mismatches in Kubernetes
4 min readSimilarly, it’s important to make sure your services route traffic to the correct port on your Pods. Incorrect service port definitions can make it look like a Pod has failed, when …