Block a user
Add sandboxed version of nix-portable with tweaks to run on marenostrum
Checked that it still works with nix build .#amd-uprof.src --rebuild
Add sandboxed version of nix-portable with tweaks to run on marenostrum
This should be conditional on the sys-devices feature being enabled, as it is done in programs.nix-required-mounts.
WIP: Add sandboxed version of nix-portable with tweaks to run on marenostrum