$ nix-build \
-I nixpkgs=https://github.com/ElvishJerricco/nixpkgs/archive/cross-nixos-aarch64-2018-08-05.tar.gz \
system.nix -A config.system.build.sdImage -o sdImage
$ sudo dd if=sdImage/sd-image/*.img of=/dev/YOUR_SD_CARD status=progress
Cross compile minimal NixOS to aarch64
$ nix-build \
-I nixpkgs=https://github.com/ElvishJerricco/nixpkgs/archive/cross-nixos-aarch64-2018-08-05.tar.gz \
system.nix -A config.system.build.sdImage -o sdImage
$ sudo dd if=sdImage/sd-image/*.img of=/dev/YOUR_SD_CARD status=progress
Cross compile minimal NixOS to aarch64