Hi, I’m Gabriel.

馃殌 Welcome!
This is DEV On Command, a blog where I share content about programming, Linux, self-hosting, and best development practices.
I’m a Computer Engineering student from S茫o Paulo, Brazil, passionate about technology and programming.
A gif demonstrating the key map evaluating a math expression to calculate how many seconds are in a week

Neovim - Evaluate math expressions (without plugins)

In this post, I鈥檒l show how to evaluate math expressions on Neovim using just commands

October 5, 2025 路 2 min 路 Dev On Command

How to Solve CORS Issues with Fluig Using Reverse Proxy in Angular

Essential tips to overcome CORS issues when accessing Fluig during local development with Angular, using reverse proxy with proxy.conf.json.

April 12, 2025 路 2 min 路 Dev On Command

Linux Security Hardening: Best Practices

Essential tips for hardening Linux security, including user management, firewall setup, and SSH protection.

February 8, 2025 路 17 min 路 Dev On Command