Edoardo Tosin
challenge
Advent of Code 2025
My solutions and progress for Advent of Code 2025. Track my completion status for the 12 programming puzzles released daily from December 1-12.
Topics
Every post belongs to exactly one topic. Browse by subject below.
challenge
Advent of Code 2024
My solutions and progress for Advent of Code 2024. Track my completion status for the 25 programming puzzles released daily from December 1-25.
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firefox
How to Fix Missing Bookmarks Bar, Extensions, and Buttons After Firefox Beta Update (Bug 1919721)
Learn how to resolve the issue caused by bug 1919721 where the bookmarks bar, toolbar buttons, and pinned extensions disappear after updating Firefox Beta. M...
selfhosting
DNS server installation and configuration (Part 5) - Pi-Hole configuration (EN)
How to configure Pi-Hole's web interface, manage blocklists, and wire it together with Unbound to complete your self-hosted, privacy-focused DNS server.
selfhosting
DNS server installation and configuration (Part 4) - Unbound installation (EN)
How to install Unbound on Ubuntu Server as a recursive DNS resolver that queries root nameservers directly, removing reliance on third-party DNS providers.
selfhosting
DNS server installation and configuration (Part 3) - Pi-Hole installation (EN)
How to install Pi-Hole on Ubuntu Server to block ads and trackers at the DNS level across your entire network, as part of a self-hosted DNS stack with Unbound.
selfhosting
DNS server installation and configuration (Part 2) - 2FA installation (EN)
How to set up two-factor authentication (2FA) on Ubuntu Server using Google Authenticator to secure SSH access before deploying Pi-Hole and Unbound.
selfhosting
DNS server installation and configuration (Part 1) - Ubuntu Server installation (EN)
How to install Ubuntu Server as the foundation for a self-hosted DNS stack using Pi-Hole and Unbound - including disk partitioning, SSH setup, and initial sy...
astrophotography
Sunspots 17 July 2023
Solar astrophotography of sunspot groups observed on 17 July 2023, captured in the visible spectrum through a dedicated solar filter.
astrophotography
Sunspots 8 July 2023
Solar astrophotography of sunspot groups observed on 8 July 2023, captured in the visible spectrum through a dedicated solar filter.
astrophotography
Supernova in the Pinwheel galaxy
My astrophotography of SN 2023ixf, a Type II supernova in the Pinwheel galaxy (M101), captured six days after its discovery in May 2023.
selfhosting
Installazione e configurazione server DNS (Parte 5) - Configurazione Pi-Hole (IT)
Come configurare l'interfaccia web di Pi-Hole, gestire le blocklist e collegarlo a Unbound per completare il server DNS self-hosted orientato alla privacy.
selfhosting
Installazione e configurazione server DNS (Parte 4) - Installazione Unbound (IT)
Come installare Unbound su Ubuntu Server come resolver DNS ricorsivo che interroga direttamente i nameserver root, eliminando la dipendenza da provider DNS d...
selfhosting
Installazione e configurazione server DNS (Parte 3) - Installazione Pi-Hole (IT)
Come installare Pi-Hole su Ubuntu Server per bloccare pubblicità e tracker a livello DNS su tutta la rete, come parte di uno stack DNS self-hosted con Unbound.
selfhosting
Installazione e configurazione server DNS (Parte 2) - Installazione 2FA (IT)
Come configurare l'autenticazione a due fattori (2FA) su Ubuntu Server tramite Google Authenticator per proteggere l'accesso SSH prima di installare Pi-Hole ...
selfhosting
Installazione e configurazione server DNS (Parte 1) - Installazione Ubuntu Server (IT)
Come installare Ubuntu Server come base per uno stack DNS self-hosted con Pi-Hole e Unbound - partizioni, configurazione SSH e impostazioni iniziali del sist...
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