In this blog, I will share ideas and concepts that worked for me and I hope will work for you […]
AWK Cheat Sheet
AWK is a domain-specific language designed for text processing and typically used as data extraction and reporting tool. In other […]
Golang (GO) Cheat Cheet
Golang or GO is a programming language developed in 2009 by three Google engineers to fulfill its high-performance needs. Its […]
Enhancing Linux Security with AppArmor no Ubuntu 20.04
Application Armor is a Linux kernel security module for restricting programs’ capabilities by using per-program profiles. AppArmor uses the Linux […]
Bash Shell Script Cheat Sheet
BLACK=`tput setaf 0` RED=`tput setaf 1` GREEN=`tput setaf 2` YELLOW=`tput setaf 3` BLUE=`tput setaf 4` MAGENTA=`tput setaf 5` CYAN=`tput setaf […]
2FA with Yubikey on Ubuntu 20.04
In this post, I will cover the usages of a Yubikey for: Protect local sudo command, Protect local gnome login […]
Monitoring Servers with Prometheus and Grafana on Ubuntu 20.04
Prometheus is a systems and service monitoring system [Link]. Out of the box, Prometheus monitored the host where it is […]
Markdown Cheat Sheet
Markdown is a lightweight markup language for creating formatted text using a plain-text editor. It is recommended to use a […]
Building a Stream Server with Owncast on Ubunru 20.04
Owncast is the solution for broadcast videos, classes, presentations, games, talks, or anything else independently of any vendor or service […]
Hardening OpenSSH with 2FA on Ubuntu 20.04
This setup will require the Google Authenticator app to create the OTP (One-Time-Password). Android [Link] iOS [Link] sudo apt install […]
Ubiquiti Unifi Controller Setup on Ubuntu 20.04 or Docker
Unifi offers a free (but not open-source) controller solution based on Linux with an amazing web GUI and integration with […]