*Issue Analysis:** Attached flake.nix uses `flock` (from util linux) for exclusive locking in deployment scripts (e.g., `flock -w 60 /dev/shm/nixinate-${machine} command`). `flock` is available on aarch64 via Nixpkgs, but alternatives
*Issue Analysis:** Attached flake.nix uses `flock` (from util linux) for exclusive locking in deployment scripts (e.g., `flock -w 60 /dev/shm/nixinate-${machine} command`). `flock` is available on aarch64 via Nixpkgs, but alternatives