This repository auto-backs up the allowlist (whitelist) for a Pi-hole instance, organized by service category for easier management and restoration.

.
├── backup.sh
├── categories/
│   ├── streaming.txt
│   ├── analytics.txt
│   ├── dev-tools.txt
│   ├── social.txt
│   └── ...
└── README.md

• Linux environment (e.g. Debian/Raspbian)
• pihole CLI tool installed and configured
• (Optional) jq, grep, awk

• streaming.txt – Domains related to streaming services (e.g., Netflix, Hulu)
• analytics.txt – Tracking and analytics domains (e.g., Google Analytics)
• dev-tools.txt – Dev‑related domains (e.g., GitHub, Docker)
• social.txt – Social media domains (e.g., Facebook, Twitter)
• Add as many custom categories as your use-case dictates.

1. Clone this repo onto your Pi-hole host (or a cron‑enabled host).
2. Make backup.sh executable:

   chmod +x backup.sh

3. (Optional) Schedule in cron to run nightly:

   0 2 * * * /path/to/backup.sh >> /var/log/pihole-backup.log 2>&1

4. Inspect categories/ for domain lists—useful for auditing or editing.
5. To restore, feed the desired allowlist back into Pi-hole:

   xargs -a categories/streaming.txt -r pihole -w

MIT License – do whatever you want with this. Just don’t sue me.