The Problem: Upstream Trust Even if you use Pi-hole to block ads, you are still sending your entire DNS history to an upstream provider like Google (8.8.8.8) or Cloudflare (1.1.1.1). They know eve...

Introduction K3s is a lightweight, easy-to-install Kubernetes distribution designed for resource-constrained environments, making it an excellent choice for edge computing, IoT devices, and develo...

The Problem: The File Descriptor Leak You have a long-running Bash script or a custom service that suddenly fails with the error: bash: /dev/null: Too many open files. Even after increasing the sy...

Introduction Caddy is a modern, flexible, and easy-to-use web server that comes with powerful features out of the box. In this guide, we’ll explore advanced configurations for Caddy, focusing on r...

Introduction Caddy is a modern web server that is easy to configure and comes with built-in HTTPS support. In this guide, we’ll walk through the process of installing and configuring Caddy on a Li...

I have been looking for a way to migrate a private Git repository to GitHub without losing commit history. Using GIT Command Line Interface Create an empty GitHub repository. Cl...

Jekyll is a static site generator that transforms your plain text into beautiful static web sites and blogs. It can be use for a documentation site, a blog, an event site, or really any web site y...

The Criticality of Infrastructure Visibility In a production Proxmox environment, you cannot afford to be blind to the health of your nodes. Whether it is a ZFS disk failure, a backup error, or a ...

The Fragility of the SSH Session Every system administrator has experienced the “SSH Timeout Heartbreak”: you are 45 minutes into a complex database migration or a large file transfer, and your lo...

The Complexity of Modular Kubernetes Applications In a professional DevOps environment, we rarely deploy a single application in isolation. A modern microservice often requires a database (Postgre...