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Ultimate Linux Server Configuration Guide

The Ultimate Guide to Mastering Your Linux Server

The CyberSec Guru

Master your Linux server. Our ultimate guide covers setup, essential commands, file permissions, Apache, MySQL, Samba, and more. Download the full 72-page PDF!

The Ultimate Guide to Linux Cgroups

The Ultimate Guide to Linux Cgroups (v1 & v2): From Basics to Advanced Orchestration

The CyberSec Guru

A comprehensive guide to Linux Cgroups. Master resource management, from cgroup v1 and v2 fundamentals to practical use in systemd, Docker, and Kubernetes.

CVE-2024-0670

High-Severity Vulnerability CVE-2024-0670 Puts Checkmk Windows Agents at Risk

The CyberSec Guru

A high-severity (CVSS 8.8) vulnerability, CVE-2024-0670, allows local privilege escalation in the Checkmk Windows agent. Learn all the details.

CVE-2025-24054

Patch Now: Critical Windows Vulnerability CVE-2025-24054 Actively Exploited in the Wild

The CyberSec Guru

CVE-2025-24054 (once CVE-2025-24071), a critical NTLM hash leak vulnerability in Windows File Explorer, is actively exploited. Patch Now!

Mastering NanoCorp Beginner's Guide from HackTheBox

Beginner’s Guide to Conquering NanoCorp on HackTheBox

The CyberSec Guru

Conquer NanoCorp on HackTheBox like a pro with our beginner's guide. Dominate this challenge and level up your cybersecurity skills

Linux 101 - The Ultimate Linux Command Line Review - Week 1

The Ultimate Linux Command Line Review – Week 1

The CyberSec Guru

Master the Linux terminal! The Week 1 review of Linux Command Line covers ls, cd, mkdir, cp, mv, rm, cat, less, & nano, plus a hands-on challenge!

Linux 101 - The Ultimate Guide to cat, less, and nano

The Ultimate Guide to cat, less, and nano

The CyberSec Guru

Unlock mastery over the Linux terminal! This ultimate guide details everything about the cat, less, and nano commands for file viewing and editing.

Linux 101 - Master Linux File Manipulation

The Ultimate Guide: Master Linux File Manipulation with cp, mv, rm, cat & touch

The CyberSec Guru

The ultimate guide to Linux file manipulation. We do a deep-dive, with all flags, into the essential commands: touch, cat, mkdir, cp, mv, rm, and rmdir. Learn the power... and the danger.

Linux 101 - Linux File System Explained

Linux File System Explained: The Ultimate Guide to pwd, ls, cd, and the FHS

The CyberSec Guru

The ultimate guide to navigating the Linux file system. We do a deep dive into the Filesystem Hierarchy Standard (FHS) and master the three essential commands: pwd, ls (with all its flags), and cd.

Comet Browser

Why I Deleted Chrome for Perplexity’s Comet Browser (And Why You Will Too)

The CyberSec Guru

Tired of 50+ tabs and endless searching? My in-depth Comet browser review shows why this AI-powered browser from Perplexity replaced Chrome for me. Learn how to boost your productivity and get a free month of Pro.