{ modulesPath, ... }: { imports = [ (modulesPath + "/profiles/qemu-guest.nix") ]; boot.loader.grub.device = "/dev/sda"; boot.initrd.availableKernelModules = [ "ata_piix" "uhci_hcd" "xen_blkfront" "vmw_pvscsi" ]; boot.initrd.kernelModules = [ "nvme" ]; fileSystems."/" = { device = "/dev/sda3"; fsType = "ext4"; }; fileSystems."/boot" = { device = "/dev/disk/by-uuid/d6bf7aad-cd46-458c-98e8-a321eb77858a"; fsType = "ext4"; }; environment.sessionVariables = { OMP_NUM_THREADS = "8"; }; }