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I am planning to experiment a bit with Qualys Container Security and Docker on the Hetzner ARM64 CAX servers this weekend. Given the current electricity prices, it is probably not really necessary to have a Proxmox server at home.. 

The new Ampere® ARM64 servers from Hetzner are relatively affordable and therefore offer a good alternative. Especially now, with Intel and AMD facing CPU bugs again, this is an even better idea. I really like Debian 12 at the moment, so I would like to use an encrypted Debian on it.  

Hetzner offers a preferred way to install an encrypted system. You can find a corresponding guide at the following link. However, please note that you need to adjust the settings for the private networks accordingly to ensure that unlocking via Dropbear works later on: 

auto enp7s0
iface enp7s0 inet dhcp
  metric 100

In the guide, you will also need to make an adjustment at the point "/tmp/setup.conf" and insert the line.

PART /boot/efi esp 256M 

Afterwards, you can unlock the cloud server via SSH using Dropbear:

ssh -o StrictHostKeyChecking=no root@your_hetzner_ip