hardware-configuration.nix

{ config, lib, pkgs, ... }:

{
  imports = [ ];

  ### SmartOS Linux Branded Zone specific configuration

#  boot.initrd.availableKernelModules = [ ];
#  boot.kernelModules = [ ];
#  boot.extraModulePackages = [ ];

  nix.extraOptions = ''
    build-users-group =
  '';
  boot.isContainer = true;
  boot.postBootCommands = "/lib/smartdc/joyent_rc.local";
  networking.useDHCP = false;
  networking.firewall.enable = false;
  services.nscd.enable = false;
  systemd.services.systemd-udevd.unitConfig.ConditionVirtualization = "!other";
  systemd.services.smartos-init = {
    path = [ pkgs.bash ];
    wantedBy = [ "multi-user.target" ];
    serviceConfig = {
      Type = "oneshot";
      ExecStart = ''/lib/smartdc/joyent_rc.local'';
    };
  };


  fileSystems."/native/lib" =
    { device = "/native/lib";
      fsType = "lofs";
    };

  fileSystems."/native/etc/svc/volatile" =
    { device = "swap";
      fsType = "tmpfs";
    };

  fileSystems."/native/tmp" =
    { device = "swap";
      fsType = "tmpfs";
    };

  fileSystems."/tmp" =
    { device = "swap";
      fsType = "tmpfs";
    };

  fileSystems."/system/object" =
    { device = "objfs";
      fsType = "objfs";
    };

  swapDevices = [ ];

  nix.maxJobs = 12;
  nix.buildCores = 12;
}

nixos-lx.sh

[root@nixos:~]# ls -Al /bin/
total 2
lrwxrwxrwx 1 root root 32 Nov 16 14:12 login -> /run/current-system/sw/bin/login
lrwxrwxrwx 1 root root 63 Nov 22 13:39 sh -> /nix/store/kj6gl6xd81jgigrmq9gjsffmgipafjs4-bash-4.3-p42/bin/sh
-rwxr-xr-x 1 root root 65 Nov 16 21:45 su

[root@nixos:~]# ls -Al /sbin/
total 2
lrwxrwxrwx 1 root root 32 Nov 16 14:14 getty -> /run/current-system/sw/bin/getty
lrwxrwxrwx 1 root root 33 Nov 16 14:17 init -> /nix/var/nix/profiles/system/init
lrwxrwxrwx 1 root root 35 Nov 16 21:39 shutdown -> /run/current-system/sw/bin/shutdown

[root@nixos:~]# cat /bin/su
#!/bin/sh
"$(dirname '$0')/../run/current-system/sw/bin/su" "$@"

[root@nixos:/]# ls -Al usr/
total 1
drwxr-xr-x 2 root root 3 Nov 22 13:39 bin
drwxr-xr-x 2 root root 6 Nov 16 20:02 sbin

[root@nixos:/]# ls -Al usr/*
usr/bin:
total 1
lrwxrwxrwx 1 root root 66 Nov 22 13:39 env -> /nix/store/8xfxnm4a7jvyh0i1sd967z6rws8lh21a-coreutils-8.24/bin/env

usr/sbin:
total 2
lrwxrwxrwx 1 root root 29 Oct  7 14:51 mdata-delete -> /native/usr/sbin/mdata-delete
lrwxrwxrwx 1 root root 26 Oct  7 14:51 mdata-get -> /native/usr/sbin/mdata-get
lrwxrwxrwx 1 root root 27 Oct  7 14:51 mdata-list -> /native/usr/sbin/mdata-list
lrwxrwxrwx 1 root root 26 Oct  7 14:51 mdata-put -> /native/usr/sbin/mdata-put