Create a public wifi access point with Rasberry Pie, secured, and isolated from your network (and accessible with guest login and password).
Share and print in WiFi on a USB printer (HP, Samsung, Epson…) thanks to a Raspberry Pi with Cups and Samba.
Step-by-step tutorial to install a free DNS server on Raspberry Pi, to filter ads, pop-ups and malware.
Step by step tutorial to use the pi-Hole DNS server with your PiVPN (or OpenVPN) server on Raspberry Pi.
Step-by-step tutorial to install a free VPN server on Raspberry Pi, accessible from your phone or tablet.