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Proxmox Backup Server

A free, open-source backup solution purpose-built for Proxmox VE (though it can back up other sources too) -- deduplicated, incremental VM/container backups with its own web UI.

Target: Dedicated hardware or VM (ISO install)BackupVirtualizationOfficial homepage ↗Official docs ↗
This guide is synthesized from Proxmox Backup Server's own official documentation, linked above — always cross-check exact package/version names there before running these commands on a production server, since distro and project versions move over time.

  1. 1Download the installer ISO

    Proxmox Backup Server downloads ↗

  2. 2Write it to a USB drive and boot from it

    Follow the graphical installer -- disk, timezone, and root password.

    sudo dd if=proxmox-backup-server_*.iso of=/dev/sdX bs=1M status=progress conv=fsync

  3. 3Open the web UI

    https://<the-server's-ip>:8007

  4. 4Add a datastore and connect it from Proxmox VE

    Create a Datastore under the Datastore panel, then on your Proxmox VE host, add this server as a Storage of type "Proxmox Backup Server" using its address and the datastore name.