Base
Hardened build
minimal ports, security patches applied at build time
rsnapshot on Ubuntu 24.04 LTS
Azure
Storage
rsnapshot takes scheduled, rotating filesystem snapshots on rsync, hard linking unchanged files so a long history of backups costs little more than one full copy plus the changes.
Overview
rsnapshot is a filesystem snapshot and backup utility built on rsync and hard links. It keeps versioned, rotating snapshots of the paths it watches on a schedule, and because unchanged files across successive snapshots are hard linked rather than copied again, keeping weeks or months of history stays cheap. Restoring a file is a plain copy out of the snapshot for the point in time you want. This image ships it ready to run: a sane configuration with short, medium and long retention intervals, backups landing on a dedicated volume, and timers driving the schedule.
Why the cloudimg image
cloudimg ships rsnapshot ready to run on a hardened, fully patched Ubuntu 24.04 LTS base: retention intervals and systemd timers are configured out of the box, snapshots land on a dedicated data volume with root only permissions rather than the OS disk, and a built in self test proves a real backup runs and that unchanged files are hard link deduplicated. There is no login and no default password to leak; an optional per instance SSH key for pulling backups from remote hosts is generated on first boot and never baked into the image. Paired with a deploy guide and 24/7 support.
Common uses
- Scheduled local file backups
- Versioned snapshot retention
- Point in time file restore
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