Understanding File Manipulation and Log Analysis in Linux

A practical walkthrough to secure Oracle Linux VM, applying security patches, verifying update status, and ensuring audit compliance

A colleague recently shared a game-changing technique: using Claude Code to debug issues on remote systems and virtual machines. Engineer…

on a single-user personal computer, the traditional Unix “User/Group/Others” permission model feels redundant. You are the owner, and there…

Before we can understand chmod, chown, or ACLs, we must first understand what they are modifying. In a Linux or Unix-like filesystem…

Introduction

A minimal Linux system with Kernel, BusyBox, Initramfs, and UEFI support

Introduction

After walking through the full attack and investigation lifecycle — ending with Forensics, where evidence is preserved and analyzed —…

As a pentester, I love a flat network. As a former Infrastructure Engineer, I know exactly why you built it that way. Here is how a single…