Docker is a powerful tool for containerizing applications, but over time, your system can get cluttered with unused containers, images, volumes, and networks. If you’re looking to completely reset Docker and start fresh, this guide will walk you through everything you need to know. Whether you’re troubleshooting or just want a clean slate, here’s how … Read more
How to Create an Ubuntu 24.04 Cloud VM on Proxmox Using Cloud-Init Ubuntu 24.04 LTS (Noble Numbat) is the newest long-term support release from Canonical, offering stability, performance, and security. In this tutorial, we’ll show you how to create a cloud-init-enabled VM running Ubuntu 24.04 on Proxmox using the qm CLI. You’ll learn how to: … Read more
How to Create an Ubuntu 22.04 Cloud VM on Proxmox Using Cloud-Init Ubuntu 22.04 (Jammy Jellyfish) is a popular server OS with long-term support, making it a solid choice for modern infrastructure. In this tutorial, we’ll walk through how to set up a cloud-init-enabled Ubuntu 22.04 virtual machine on Proxmox using the qm CLI. We’ll … Read more
How to Create a Debian 11 Cloud VM on Proxmox Using Cloud-Init Creating cloud-init enabled virtual machines is a great way to automate deployments, especially when working in cloud hosting or development environments. In this guide, we’ll show you how to create a Debian 11 VM on Proxmox using the qm command line interface. We’ll … Read more
How to Upgrade a Kubernetes Worker Node to Match the Control Plane Version When adding new nodes to your Kubernetes cluster, version compatibility is crucial. Kubernetes allows nodes to be one minor version behind the control plane, but not more. If your cluster is running version v1.32.2, a worker node running an older version, like … Read more
How to See Which Pods Are Running on Which Nodes in Kubernetes In a Kubernetes cluster, it’s often useful to know which pods are running on which nodes—especially when you’re troubleshooting, monitoring resource usage, or checking your scheduling strategy. Thankfully, Kubernetes makes it simple with one powerful command. 🧾 Use the kubectl get pods Command … Read more
How to Scale Kubernetes Deployments to Multiple Replicas Kubernetes offers powerful features for managing your application’s scaling needs. One such feature is scaling deployments, which allows you to run multiple instances (replicas) of a pod. This can help distribute the load, increase availability, and improve resilience by ensuring your application remains highly available even when … Read more
How to Free Up Disk Space on a Full Root Filesystem in Linux Running out of disk space on your Linux server can lead to serious performance issues, application failures, or even system crashes. If your root filesystem (/) is at 100% capacity, here’s how you can free up space effectively. 1. Check Large Files … Read more
When working with MySQL, you may find yourself needing to import a database backup that comes in a compressed .sql.gz format. This can be done with a few simple commands on your Ubuntu server. In this guide, we’ll walk you through the process of importing a .sql.gz file into a MySQL database. Prerequisites Before we … Read more
Prerequisites Before starting, ensure you have: Step 1: Merge the Certificate and CA Bundle Kubernetes TLS secrets require a single certificate file that includes both the certificate and the CA bundle. Using PowerShell: Open PowerShell and run the following command to merge the certificate and CA bundle into a single file: Using Command Prompt (CMD): … Read more