In this guide I’ll explain how you can run Tails as a VM in Proxmox while retaining the persistence feature, and keeping support for Proxmox backups and snapshots.
Firstly, note that running Tails as a VM defeats a lot of the security features it offers, since you now need to trust the hypervisor to be secure. The VM’s memory could be swapped to disk in the host’s swapfile or persisted in a guest snapshot (if the “include RAM” option is ticked), which will leak the contents of the guest onto the host’s persistent storage, including secret encryption key material.
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