Base
Hardened build
minimal ports, security patches applied at build time
Plakar on Ubuntu 24.04 LTS
Azure
Storage
encrypted, deduplicated backups you can prove you can restore
Overview
Plakar is an open source backup engine that creates versioned backups with compression, encryption and content addressed deduplication. Snapshots land in a Kloset store where identical data is kept exactly once however many snapshots reference it, so a long retention history costs a fraction of repeated full backups. Every snapshot is independently restorable and independently integrity checkable, and a built in web interface browses snapshots, compares revisions and restores files without the command line.
Why the cloudimg image
The repository encryption passphrase and the web interface token are generated uniquely on the first boot of every VM and written to a root only file, so no shared key ships in the image and no two deployments can read each other's backups. The Plakar server binds to loopback only behind nginx, and the API rejects unauthenticated and wrong token requests. The encrypted repository lives on a dedicated data volume, separate from the OS disk and independently resizable. The image also ships a self test that performs a real backup, restores it to a separate path and compares every file by checksum, so you can verify the appliance end to end at any time. Paired with a step by step deploy guide and 24/7 cloudimg support.
Common uses
- Scheduled server and application backups with long retention at low storage cost
- Encrypted offsite snapshots where the key never leaves your own VM
- Verifiable restores for audit, compliance and disaster recovery drills
See it running
Real screenshots taken while testing this image against its deployment guide.
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