# Orbital Sync

Orbital Sync is an archived Docker tool that synchronizes multiple Pi-hole instances for high availability by automating Pi-hole's teleporter backup and restore between a primary and secondary instances. It is open source and self-hosted, installable on Unraid and Docker Hub.

Canonical page: https://ourlocalhost.com/app/930/orbital-sync

## Description

Orbital Sync is an archived Docker tool that synchronizes multiple Pi-hole instances for high availability by automating Pi-hole's teleporter backup and restore between a primary and secondary instances. It helps homelab admins maintain redundant DNS and ad-blocking without manual list copying.

## Platform availability

Available on 1 of 6 install platforms: Unraid.

## Health score

26/100 (Low), based on 3 of 4 factors.
- Maintained: 0 (GitHub repository is archived)
- Popular: 60 (963 GitHub stars)
- Easy to install: 35 (1 install platform, install notes, Docker image)

## Links

- Unraid: https://ca.unraid.net/apps/orbitalsync-1s77gt516g7vy5?q=OrbitalSync
- Docker Hub: https://hub.docker.com/r/mattwebbio/orbital-sync
- Official website: http://orbitalsync.com
- GitHub: https://github.com/mattwebbio/orbital-sync

## Common questions

### How is Orbital Sync configured if it has no web UI?

Orbital Sync has no web interface. You configure it with Docker Compose environment variables for the primary and secondary Pi-hole hosts.

### What should I expect if Orbital Sync connects to both Pi-holes but the second one still has no backup?

A user reported that it can log into both Pi-holes, fail to upload the backup to the second Pi-hole, and present no errors.

### Which files preserve the original configuration documentation after archival?

The archived repository points to the previous README and configuration instructions for archival purposes.

### What did the author say about Gravity Sync when introducing Orbital Sync?

The author introduced Orbital Sync as a new approach to synchronizing Pi-hole instances and noted problems the author had with Gravity Sync.

## Alternatives

- Flatpak: Distributing applications on Linux is a pain: different distributions in multiple versions, each with their own versions of libraries and p…
- PortableApps.com: PortableApps.com is a website offering many free, commonly used Windows applications that have been specially packaged for portability.

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Source: Our Local Host (https://ourlocalhost.com/app/930/orbital-sync), the self-hosted and open-source app directory.