On the official website, Ruby is described as “A dynamic, open-source programming language with a […]
Golang (GO) Cheat Cheet
Golang (or Go) is a programming language developed in 2009 by three Google engineers to […]
Enhancing Linux Security with AppArmor no Ubuntu
AppArmor is a Linux kernel security module that restricts program capabilities using per-program profiles. AppArmor […]
Bash Script Cheat Sheet
This is a quick reference guide for creating automation scripts and using bash features to […]
2FA with Yubikey on Ubuntu
In this post, I will cover the usages of a Yubikey for: Protecting local sudo […]
Monitoring Servers with Prometheus and Grafana on Ubuntu
Prometheus is a systems and service monitoring tool [Link]. Out of the box, it monitors […]
Markdown Cheat Sheet
Markdown is a lightweight markup language for creating formatted text using a plain-text editor. It […]
Building a Stream Server with Owncast on Ubuntu
Owncast is an open-source, self-hosted live streaming solution for broadcasting videos, classes, presentations, games, talks, […]
Hardening OpenSSH with 2FA on Ubuntu
This setup requires the Google Authenticator app to generate OTPs (One-Time Passwords). Android [Link] iOS […]
Ubiquiti Unifi Controller Setup on Ubuntu or Docker
Unifi offers a free (but not open-source) controller solution based on Linux with an amazing […]