Infrastructure
Firewalld firewall
A quick manual for installing and managing the Firewalld firewall on Debian and Fedora systems, geared towards desktop computers. It explains how to enable the daemon, assign secure network zones, and open specific ports for common services like Samba or KDE Connect.
UFW Firewall for a Raspberry Pi Server
A practical tutorial on hardening the security of your Raspberry Pi server using UFW (Uncomplicated Firewall). Discover how to set default policies, configure traffic filtering rules, open only the strictly necessary ports for your services, and protect the system against unauthorized access effectively.
Quick guide to setting up an Armbian server
A practical reference guide to installing and configuring a headless Armbian server from scratch on SBC boards (Cubox, Orange Pi, etc.). It covers essential steps including flashing the MicroSD card, SSH security hardening, and static IP configuration.
Home Server with Raspberry Pi
A comprehensive guide to building and configuring your own home server using a Raspberry Pi. Learn step-by-step how to install the operating system in headless mode, optimize performance, secure your local network connection, and deploy essential services to turn this board into your low-power personal data center.