Proxmox Backup Server is an open-source backup server based on Debian GNU/Linux. Proxmox Backup Server is open-source software, licensed under the GNU AGPL, v3.
The project is developed and maintained by Proxmox Server Solutions GmbH.
Download the latest ISO image files.
The installation medium (CD or USB) is a complete operation system, including everything you need to install and run Proxmox Mail Gateway in only a few minutes. It can be installed bare-metal on dedicated hardware or in a virtual machine on all leading virtualization platforms. You can also install it on top of an existing Debian installation.
The Proxmox Backup Server documentation is freely available in different formats such as HTML, PDF or EPUB, see Proxmox Backup Server Reference Documentation
You can also access the documentation via the management interface of your Proxmox Backup Server installation by clicking on the contextual help buttons.
To get an overview of the Proxmox Backup Server, we regularly publish video tutorials on our website, see https://www.proxmox.com/training/video-tutorials.