What Is Docker? A Beginner's Guide to Docker and Containers for Developers
What is Docker, and how is a container different from a VM? Learn Dockerfiles, images, volumes and Docker Compose step by step with practical examples.
Software
Articles on custom software, CRM, e-commerce platforms, integrations and SaaS products.
174 posts
Debugging Techniques for Developers: Practical Tips That Actually Work
Breakpoints, structured logging, git bisect, rubber duck debugging, profilers and production debugging: a practical guide to picking the right technique for each symptom.
SOLID Principles with Examples: The Art of Writing Clean Code
A practical walk through the SOLID principles with broken and fixed Python examples, a summary table, signs you are overdoing it and a safe way to refactor existing code.
The Best Open Source Cybersecurity Tools by Category
Nmap, Wireshark, Metasploit, ZAP, Suricata, Snort and Wazuh: which open source security tool answers which question, what license it uses and where the legal line starts.
Python for Cybersecurity: Automation and Network Security Scripts for Defence
Python for cybersecurity on your own systems: port inventory, log analysis, header and certificate checks, file integrity and backups. Defensive examples and legal limits.
OWASP Top 10: The Most Common Web Security Vulnerabilities and How to Prevent Them
The ten OWASP Top 10 categories explained, from broken access control to supply chain failures, with field examples and practical safeguards for each.
Top Cybersecurity Certifications Compared: CEH vs CompTIA Security+ vs CISSP
I compare CEH, CompTIA Security+ and CISSP on prerequisites, exam format, scope and level using official provider data, and suggest the order that fits your career stage.
How to Learn Cyber Security and Ethical Hacking from Scratch with TryHackMe
TryHackMe learning paths, how rooms work, how it differs from Hack The Box, a 90-day plan and the legal limits of ethical hacking: a practical guide for complete beginners.
How to Become a Cybersecurity Specialist: Roles, Skills and a Beginner Roadmap
SOC analyst, penetration tester or GRC specialist? Core skills, a home lab, a portfolio and a step by step roadmap to your first security job, without the hype.
R vs Python for Data Science: Which Language Should You Learn?
R or Python? I compare both languages on statistics, data wrangling, visualization, machine learning, ecosystem and the job market, then give you a decision list by profile.