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HOWTOs & Tutorials

Step-by-step guides for IT professionals and enthusiasts

Difficulty Levels:

BeginnerIntermediateAdvanced
Deploying Vaultwarden: A Self-Hosted Password Manager
HOWTOAug 31, 2026

Deploying Vaultwarden: A Self-Hosted Password Manager

Stand up a lightweight, Bitwarden-compatible password vault on your own infrastructure — with Docker, TLS via reverse proxy, and an automated backup routine.

6 min read
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Detecting Leaked Secrets in Git Repos with Gitleaks
HOWTOAug 24, 2026

Detecting Leaked Secrets in Git Repos with Gitleaks

Stop shipping API keys, tokens, and passwords to GitHub. Learn how to scan git history, enforce pre-commit hooks, and integrate Gitleaks into your CI/CD pipeline.

10 min read
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Writing and Deploying YARA Rules for Malware Detection
HOWTOAug 17, 2026

Writing and Deploying YARA Rules for Malware Detection

Learn to write effective YARA rules to identify malware, hunt threats, and scan endpoints for indicators of compromise — from basic syntax to real-world rule sets.

7 min read
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OpenSSH Hardening with Certificate-Based Authentication
HOWTOAug 10, 2026

OpenSSH Hardening with Certificate-Based Authentication

Replace static SSH keys with a short-lived certificate authority. Harden sshd_config, eliminate lateral-movement risk, and enforce zero-trust access across your Linux fleet.

11 min read
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AIDE File Integrity Monitoring: Detect Unauthorized Changes on Linux
HOWTOAug 3, 2026

AIDE File Integrity Monitoring: Detect Unauthorized Changes on Linux

Deploy AIDE (Advanced Intrusion Detection Environment) to build a cryptographic baseline of your Linux filesystem and automatically alert on unauthorized modifications — a core control for compliance and breach detection.

9 min read
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What Is SentinelAgent.exe? SentinelOne's Agent Process
HOWTOJul 28, 2026

What Is SentinelAgent.exe? SentinelOne's Agent Process

SentinelAgent.exe is the core SentinelOne EDR agent process on Windows. How to verify it is genuine, what drives its resource usage, and how to manage it.

4 min read
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WireGuard VPN: Secure Remote Access for IT Professionals
HOWTOJul 27, 2026

WireGuard VPN: Secure Remote Access for IT Professionals

Deploy a modern, high-performance WireGuard VPN server on Linux for secure remote access. Covers server setup, client configuration, multi-peer management, and firewall rules.

9 min read
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Nginx + ModSecurity WAF: Protecting Web Apps with OWASP CRS
HOWTOJul 20, 2026

Nginx + ModSecurity WAF: Protecting Web Apps with OWASP CRS

Deploy ModSecurity v3 as an Nginx module, wire in the OWASP Core Rule Set, tune false positives, and verify SQL injection and XSS are blocked — all on a...

7 min read
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Lynis: Linux Security Auditing and Hardening in Practice
HOWTOJul 13, 2026

Lynis: Linux Security Auditing and Hardening in Practice

Learn how to use Lynis to audit, score, and harden Linux systems. Covers installation, scan interpretation, automated reporting, and CI integration for...

5 min read
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