The Silent Compromise Attackers rarely change a system’s behaviour immediately. Instead, they modify a legitimate configuration file (like /etc/ssh/sshd_config or /etc/pam.d/common-auth) to create...
Beyond Simple Playbooks Most Ansible tutorials show you how to install a package on a group of servers. In a highly skilled infrastructure role, you often need to orchestrate actions across differ...
The Immutable Secret Problem Docker Secrets are designed to be “Write Once, Read Never” (except by the container). Once a secret is created, it is immutable. You cannot edit it. This creates a cha...
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...