#Linux

Linux File Truncation: Wipe File Contents Without Deleting the File

Introduction Have you ever found yourself needing to clear the contents of a file in Linux, but without actually deleti…

Writing ISO to USB in Linux Using dd (with Caution!)

Introduction Creating a bootable USB drive is often the first step toward installing or testing a Linux distribution. W…

Mastering Client-Side SSH: Elevate Your Productivity with .ssh/config

Introduction Do you ever find yourself typing long, cumbersome SSH commands, replete with usernames, IP addresses, and …

SSH Server Configuration Guide: From Defaults to Defense

Introduction If you've felt overwhelmed by the Ansible playbooks, Bash scripts, or Python snippets in my previous blogs…

Automating SSH Hardening with Ansible Playbooks

Introduction Getting started with Ansible Building a baseline In a previous blog post, we walked through the essential …

Building a Baseline: Ansible Playbook for Initial Server Prep

Introduction In our previous post, we demonstrated how to set up a basic Ansible demo environment with a control node a…

Getting Started with Ansible: Initial Setup Guide

Introduction Ansible is an open-source IT automation tool developed by Michael DeHaan and later acquired by Red Hat in …

Linux Firewall Defense: A Scripted Approach to Secure IPTables

Introduction In a previous blog post, I introduced iptables as a foundational tool for Linux firewall management. While…