Server Monitoring for Home Server — Kuma and Netdata Uptime Setup to Avoid Missing Problems
Some time ago, I realized that the server at home had been down since last night. Either because of a power outage, an automatic update t…
NIST Cybersecurity Framework — A Practical Guide to Implementing 5 Key Functions for Small Organizations
I still remember the first time I read the NIST Cybersecurity Framework document several years ago. The number of pages was enough to make …
Bug Bounty for Beginners — Tips to Start the Journey of Finding the Hole with Ethics
There are times when I sit in front of the terminal, thinking about the same thing: how do I learn cyber security practically without…
Digital Imperfections — Why We Don't Need to Fix Everything
A while back, I spent a Saturday night moving all my notes from one note-taking app to another. The reason is classic: there is a new featu…
Digital Legacy — What's Left Behind When Our Accounts Stop Being Active?
Some time ago I just opened an old folder in cloud storage for fun. There are photos from 2014, blog notes that have never been published, …
Tmux Workflow — Managing Terminal Sessions Like Managing a Workbench
There were times when my terminal screen looked like an abandoned workbench: one tab for the frontend build, another for the server log…
OWASP Top 10 2025 — 10 Web Security Risks You Must Understand
A few years ago, when I started getting serious about building my own web applications, security still felt like a topic to "learn later." …
Neovim Setup from Zero — From an Ordinary Terminal to a Mainstay Code Editor
A few years ago, I was still very comfortable with VS Code. Open the project, click on the sidebar, install the extension, and everything w…
AI Agent — From an Ordinary Chatbot to a System That Can Do Something
Some time ago I was stuck thinking about one thing: AI chatbots are actually just machines that answer questions. He can explain how to coo…
Engineering Prompts for Local LLMs — From Plain Prompts to More Precise Results
I still remember the first time I ran local LLM on my used laptop. It's like just building a personal assistant in the corner of your room:…