diff --git a/hp0/configuration.nix b/hp0/configuration.nix
new file mode 100644
index 0000000..be22a74
--- /dev/null
+++ b/hp0/configuration.nix
@@ -0,0 +1,218 @@
+# Edit this configuration file to define what should be installed on
+# your system.  Help is available in the configuration.nix(5) man page
+# and in the NixOS manual (accessible by running ‘nixos-help’).
+
+# sudo nixos-rebuild switch
+# nix-shell -p vim
+# nmcli device wifi connect MYSSID password PWORD
+# systemctl restart display-manager.service
+
+{ config, pkgs, ... }:
+
+# https://nixos.wiki/wiki/FAQ#How_can_I_install_a_package_from_unstable_while_remaining_on_the_stable_channel.3F
+
+{
+  imports =
+    [ # Include the results of the hardware scan.
+      ./hardware-configuration.nix
+      # sudo nix-channel --add https://github.com/nix-community/home-manager/archive/release-23.11.tar.gz home-manager
+      # sudo nix-channel --update
+      <home-manager/nixos>
+    ];
+
+  # Bootloader.
+  boot.loader.systemd-boot.enable = true;
+  boot.loader.efi.canTouchEfiVariables = true;
+
+  # https://nixos.wiki/wiki/Networking
+  networking.hostName = "hp0"; # Define your hostname.
+  # networking.wireless.enable = true;  # Enables wireless support via wpa_supplicant.
+  networking.wireless = {
+    enable = true;  # Enables wireless support via wpa_supplicant.
+    environmentFile = "/home/das/wireless.env";
+    networks."devices".psk = "performance";
+    #networks."devices".psk = "@PSK_DEVICES@";
+    extraConfig = "ctrl_interface=DIR=/var/run/wpa_supplicant GROUP=wheel";
+    # output ends up in /run/wpa_supplicant/wpa_supplicant.conf
+  };
+  # https://linux.die.net/man/5/wpa_supplicant.conf
+  # https://nixos.wiki/wiki/Wpa_supplicant
+  # https://nixos.org/manual/nixos/stable/options#opt-networking.wireless.environmentFile
+  # https://blog.stigok.com/2021/05/04/getting-wpa-cli-to-work-in-nixos.html
+
+  # Configure network proxy if necessary
+  # networking.proxy.default = "http://user:password@proxy:port/";
+  # networking.proxy.noProxy = "127.0.0.1,localhost,internal.domain";
+
+  # Enable networking
+  networking.networkmanager.enable = false;
+  #networking.networkmanager.enable = true;
+
+  networking.hosts = {
+    "172.16.40.198" = ["hp0"];
+  #   "172.16.40.35" = ["hp1"];
+  #   "172.16.40.71" = ["hp2"];
+    "172.16.40.146" = ["hp3"];
+  };
+
+  # Set your time zone.
+  time.timeZone = "America/Los_Angeles";
+
+  # Select internationalisation properties.
+  i18n.defaultLocale = "en_US.UTF-8";
+
+  i18n.extraLocaleSettings = {
+    LC_ADDRESS = "en_US.UTF-8";
+    LC_IDENTIFICATION = "en_US.UTF-8";
+    LC_MEASUREMENT = "en_US.UTF-8";
+    LC_MONETARY = "en_US.UTF-8";
+    LC_NAME = "en_US.UTF-8";
+    LC_NUMERIC = "en_US.UTF-8";
+    LC_PAPER = "en_US.UTF-8";
+    LC_TELEPHONE = "en_US.UTF-8";
+    LC_TIME = "en_US.UTF-8";
+  };
+
+  # Enable touchpad support (enabled default in most desktopManager).
+  # services.xserver.libinput.enable = true;
+
+  # Define a user account. Don't forget to set a password with ‘passwd’.
+  users.users.das = {
+    isNormalUser = true;
+    description = "das";
+    extraGroups = [ "wheel" "networkmanager" "libvirtd" ];
+    packages = with pkgs; [
+    ];
+    # https://nixos.wiki/wiki/SSH_public_key_authentication
+    openssh.authorizedKeys.keys = [
+      "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIGMCFUMSCFJX95eLfm7P9r72NBp9I1FiXwNwJ+x/HGPV das@t"
+    ];
+  };
+
+  # https://nix-community.github.io/home-manager/index.xhtml#ch-installation
+  users.users.eve.isNormalUser = true;
+  home-manager.users.das = { pkgs, ... }: {
+    home.packages = with pkgs; [
+      #
+      tmux
+      screen
+      #
+      perl
+      python3
+      #
+      gawk
+      jq
+      git
+      htop
+      minicom
+      #
+      iproute2
+      vlan
+      tcpdump
+      wireshark
+      flent
+      iperf2
+      bpftools
+      iw
+      wirelesstools
+      wpa_supplicant_ro_ssids
+      # go
+      # https://nixos.wiki/wiki/Go
+      # https://nixos.org/manual/nixpkgs/stable/#sec-language-go
+      # https://nixos.wiki/wiki/FAQ#How_can_I_install_a_package_from_unstable_while_remaining_on_the_stable_channel.3F
+      libcap
+      gcc
+      #  thunderbird
+      go
+      # rust
+      # https://nixos.wiki/wiki/Rust
+      pkgs.cargo
+      pkgs.rustc
+    ];
+
+    programs.bash.enable = true;
+    home.stateVersion = "23.11";
+
+    programs.vim = {
+      enable = true;
+      plugins = with pkgs.vimPlugins; [ vim-airline ];
+      settings = { ignorecase = true; };
+      extraConfig = ''
+        set mouse=a
+      '';
+    };
+    #ldflags = [
+    #  "-X main.Version=${version}"
+    #  "-X main.Commit=${version}"
+    #];
+
+    programs.git = {
+      enable = true;
+      userEmail = "dave.seddon.ca@gmail.com";
+      userName = "randomizedcoder ";
+      #signing.key = "GPG-KEY-ID";
+      #signing.signByDefault = true;
+    };
+    nixpkgs.config.allowUnfree = true;
+  };
+
+  # Allow unfree packages
+  nixpkgs.config.allowUnfree = true;
+
+  # List packages installed in system profile. To search, run:
+  # $ nix search wget
+  environment.systemPackages = with pkgs; [
+  #  vim # Do not forget to add an editor to edit configuration.nix! The Nano editor is also installed by default.
+  #  wget
+    vim
+    curl
+    wget
+    tcpdump
+    iproute2
+    pciutils
+    usbutils
+    iw
+    wirelesstools
+    wpa_supplicant_ro_ssids
+  ];
+
+  # Some programs need SUID wrappers, can be configured further or are
+  # started in user sessions.
+  # programs.mtr.enable = true;
+  # programs.gnupg.agent = {
+  #   enable = true;
+  #   enableSSHSupport = true;
+  # };
+  programs.gnupg.agent = {
+     enable = true;
+     enableSSHSupport = true;
+  };
+
+  # List services that you want to enable:
+
+  # Enable the OpenSSH daemon.
+  # services.openssh.enable = true;
+  services.openssh.enable = true;
+
+
+  # Open ports in the firewall.
+  # networking.firewall.allowedTCPPorts = [ ... ];
+  # networking.firewall.allowedUDPPorts = [ ... ];
+  # Or disable the firewall altogether.
+  # networking.firewall.enable = false;
+
+  # This value determines the NixOS release from which the default
+  # settings for stateful data, like file locations and database versions
+  # on your system were taken. It‘s perfectly fine and recommended to leave
+  # this value at the release version of the first install of this system.
+  # Before changing this value read the documentation for this option
+  # (e.g. man configuration.nix or on https://nixos.org/nixos/options.html).
+  system.stateVersion = "23.11"; # Did you read the comment?
+
+  # virtualisation.libvirtd.enable = true;
+  # programs.virt-manager.enable = true;
+  # services.qemuGuest.enable = true;
+
+  # https://wiki.nixos.org/wiki/Laptop
+
+}
diff --git a/hp0/hardware-configuration.nix b/hp0/hardware-configuration.nix
new file mode 100644
index 0000000..fedeb1f
--- /dev/null
+++ b/hp0/hardware-configuration.nix
@@ -0,0 +1,41 @@
+# Do not modify this file!  It was generated by ‘nixos-generate-config’
+# and may be overwritten by future invocations.  Please make changes
+# to /etc/nixos/configuration.nix instead.
+{ config, lib, pkgs, modulesPath, ... }:
+
+{
+  imports =
+    [ (modulesPath + "/installer/scan/not-detected.nix")
+    ];
+
+  boot.initrd.availableKernelModules = [ "xhci_pci" "ahci" "ehci_pci" "nvme" "usb_storage" "usbhid" "sd_mod" "sr_mod" ];
+  boot.initrd.kernelModules = [ ];
+  boot.kernelModules = [ "kvm-amd" ];
+  boot.extraModulePackages = [ ];
+
+  fileSystems."/" =
+    { device = "/dev/disk/by-uuid/2d466236-2a60-448a-8d1f-eb6f06f9a3fb";
+      fsType = "ext4";
+    };
+
+  fileSystems."/boot" =
+    { device = "/dev/disk/by-uuid/0126-0D03";
+      fsType = "vfat";
+      options = [ "fmask=0022" "dmask=0022" ];
+    };
+
+  swapDevices =
+    [ { device = "/dev/disk/by-uuid/8b35fd91-a490-42f3-845b-27f2856c175e"; }
+    ];
+
+  # Enables DHCP on each ethernet and wireless interface. In case of scripted networking
+  # (the default) this is the recommended approach. When using systemd-networkd it's
+  # still possible to use this option, but it's recommended to use it in conjunction
+  # with explicit per-interface declarations with `networking.interfaces.<interface>.useDHCP`.
+  networking.useDHCP = lib.mkDefault true;
+  # networking.interfaces.eno1.useDHCP = lib.mkDefault true;
+  # networking.interfaces.wlp2s0f0u10.useDHCP = lib.mkDefault true;
+
+  nixpkgs.hostPlatform = lib.mkDefault "x86_64-linux";
+  hardware.cpu.amd.updateMicrocode = lib.mkDefault config.hardware.enableRedistributableFirmware;
+}
diff --git a/hp0/wireless.env b/hp0/wireless.env
new file mode 100644
index 0000000..fb44156
--- /dev/null
+++ b/hp0/wireless.env
@@ -0,0 +1 @@
+PSK_DEVICES=performance
diff --git a/hp3/configuration.nix b/hp3/configuration.nix
new file mode 100644
index 0000000..74299ce
--- /dev/null
+++ b/hp3/configuration.nix
@@ -0,0 +1,218 @@
+# Edit this configuration file to define what should be installed on
+# your system.  Help is available in the configuration.nix(5) man page
+# and in the NixOS manual (accessible by running ‘nixos-help’).
+
+# sudo nixos-rebuild switch
+# nix-shell -p vim
+# nmcli device wifi connect MYSSID password PWORD
+# systemctl restart display-manager.service
+
+{ config, pkgs, ... }:
+
+# https://nixos.wiki/wiki/FAQ#How_can_I_install_a_package_from_unstable_while_remaining_on_the_stable_channel.3F
+
+{
+  imports =
+    [ # Include the results of the hardware scan.
+      ./hardware-configuration.nix
+      # sudo nix-channel --add https://github.com/nix-community/home-manager/archive/release-23.11.tar.gz home-manager
+      # sudo nix-channel --update
+      <home-manager/nixos>
+    ];
+
+  # Bootloader.
+  boot.loader.systemd-boot.enable = true;
+  boot.loader.efi.canTouchEfiVariables = true;
+
+  # https://nixos.wiki/wiki/Networking
+  networking.hostName = "hp3"; # Define your hostname.
+  # networking.wireless.enable = true;  # Enables wireless support via wpa_supplicant.
+  networking.wireless = {
+    enable = true;  # Enables wireless support via wpa_supplicant.
+    environmentFile = "/home/das/wireless.env";
+    networks."devices".psk = "performance";
+    #networks."devices".psk = "@PSK_DEVICES@";
+    extraConfig = "ctrl_interface=DIR=/var/run/wpa_supplicant GROUP=wheel";
+    # output ends up in /run/wpa_supplicant/wpa_supplicant.conf
+  };
+  # https://linux.die.net/man/5/wpa_supplicant.conf
+  # https://nixos.wiki/wiki/Wpa_supplicant
+  # https://nixos.org/manual/nixos/stable/options#opt-networking.wireless.environmentFile
+  # https://blog.stigok.com/2021/05/04/getting-wpa-cli-to-work-in-nixos.html
+
+  # Configure network proxy if necessary
+  # networking.proxy.default = "http://user:password@proxy:port/";
+  # networking.proxy.noProxy = "127.0.0.1,localhost,internal.domain";
+
+  # Enable networking
+  networking.networkmanager.enable = false;
+  #networking.networkmanager.enable = true;
+
+  networking.hosts = {
+    "172.16.40.198" = ["hp0"];
+  #   "172.16.40.35" = ["hp1"];
+  #   "172.16.40.71" = ["hp2"];
+    "172.16.40.146" = ["hp3"];
+  };
+
+  # Set your time zone.
+  time.timeZone = "America/Los_Angeles";
+
+  # Select internationalisation properties.
+  i18n.defaultLocale = "en_US.UTF-8";
+
+  i18n.extraLocaleSettings = {
+    LC_ADDRESS = "en_US.UTF-8";
+    LC_IDENTIFICATION = "en_US.UTF-8";
+    LC_MEASUREMENT = "en_US.UTF-8";
+    LC_MONETARY = "en_US.UTF-8";
+    LC_NAME = "en_US.UTF-8";
+    LC_NUMERIC = "en_US.UTF-8";
+    LC_PAPER = "en_US.UTF-8";
+    LC_TELEPHONE = "en_US.UTF-8";
+    LC_TIME = "en_US.UTF-8";
+  };
+
+  # Enable touchpad support (enabled default in most desktopManager).
+  # services.xserver.libinput.enable = true;
+
+  # Define a user account. Don't forget to set a password with ‘passwd’.
+  users.users.das = {
+    isNormalUser = true;
+    description = "das";
+    extraGroups = [ "wheel" "networkmanager" "libvirtd" ];
+    packages = with pkgs; [
+    ];
+    # https://nixos.wiki/wiki/SSH_public_key_authentication
+    openssh.authorizedKeys.keys = [
+      "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIGMCFUMSCFJX95eLfm7P9r72NBp9I1FiXwNwJ+x/HGPV das@t"
+    ];
+  };
+
+  # https://nix-community.github.io/home-manager/index.xhtml#ch-installation
+  users.users.eve.isNormalUser = true;
+  home-manager.users.das = { pkgs, ... }: {
+    home.packages = with pkgs; [
+      #
+      tmux
+      screen
+      #
+      perl
+      python3
+      #
+      gawk
+      jq
+      git
+      htop
+      minicom
+      #
+      iproute2
+      vlan
+      tcpdump
+      wireshark
+      flent
+      iperf2
+      bpftools
+      iw
+      wirelesstools
+      wpa_supplicant_ro_ssids
+      # go
+      # https://nixos.wiki/wiki/Go
+      # https://nixos.org/manual/nixpkgs/stable/#sec-language-go
+      # https://nixos.wiki/wiki/FAQ#How_can_I_install_a_package_from_unstable_while_remaining_on_the_stable_channel.3F
+      libcap
+      gcc
+      #  thunderbird
+      go
+      # rust
+      # https://nixos.wiki/wiki/Rust
+      pkgs.cargo
+      pkgs.rustc
+    ];
+
+    programs.bash.enable = true;
+    home.stateVersion = "23.11";
+
+    programs.vim = {
+      enable = true;
+      plugins = with pkgs.vimPlugins; [ vim-airline ];
+      settings = { ignorecase = true; };
+      extraConfig = ''
+        set mouse=a
+      '';
+    };
+    #ldflags = [
+    #  "-X main.Version=${version}"
+    #  "-X main.Commit=${version}"
+    #];
+
+    programs.git = {
+      enable = true;
+      userEmail = "dave.seddon.ca@gmail.com";
+      userName = "randomizedcoder ";
+      #signing.key = "GPG-KEY-ID";
+      #signing.signByDefault = true;
+    };
+    nixpkgs.config.allowUnfree = true;
+  };
+
+  # Allow unfree packages
+  nixpkgs.config.allowUnfree = true;
+
+  # List packages installed in system profile. To search, run:
+  # $ nix search wget
+  environment.systemPackages = with pkgs; [
+  #  vim # Do not forget to add an editor to edit configuration.nix! The Nano editor is also installed by default.
+  #  wget
+    vim
+    curl
+    wget
+    tcpdump
+    iproute2
+    pciutils
+    usbutils
+    iw
+    wirelesstools
+    wpa_supplicant_ro_ssids
+  ];
+
+  # Some programs need SUID wrappers, can be configured further or are
+  # started in user sessions.
+  # programs.mtr.enable = true;
+  # programs.gnupg.agent = {
+  #   enable = true;
+  #   enableSSHSupport = true;
+  # };
+  programs.gnupg.agent = {
+     enable = true;
+     enableSSHSupport = true;
+  };
+
+  # List services that you want to enable:
+
+  # Enable the OpenSSH daemon.
+  # services.openssh.enable = true;
+  services.openssh.enable = true;
+
+
+  # Open ports in the firewall.
+  # networking.firewall.allowedTCPPorts = [ ... ];
+  # networking.firewall.allowedUDPPorts = [ ... ];
+  # Or disable the firewall altogether.
+  # networking.firewall.enable = false;
+
+  # This value determines the NixOS release from which the default
+  # settings for stateful data, like file locations and database versions
+  # on your system were taken. It‘s perfectly fine and recommended to leave
+  # this value at the release version of the first install of this system.
+  # Before changing this value read the documentation for this option
+  # (e.g. man configuration.nix or on https://nixos.org/nixos/options.html).
+  system.stateVersion = "23.11"; # Did you read the comment?
+
+  # virtualisation.libvirtd.enable = true;
+  # programs.virt-manager.enable = true;
+  # services.qemuGuest.enable = true;
+
+  # https://wiki.nixos.org/wiki/Laptop
+
+}
diff --git a/hp3/hardware-configuration.nix b/hp3/hardware-configuration.nix
new file mode 100644
index 0000000..4175b2e
--- /dev/null
+++ b/hp3/hardware-configuration.nix
@@ -0,0 +1,41 @@
+# Do not modify this file!  It was generated by ‘nixos-generate-config’
+# and may be overwritten by future invocations.  Please make changes
+# to /etc/nixos/configuration.nix instead.
+{ config, lib, pkgs, modulesPath, ... }:
+
+{
+  imports =
+    [ (modulesPath + "/installer/scan/not-detected.nix")
+    ];
+
+  boot.initrd.availableKernelModules = [ "xhci_pci" "ahci" "ehci_pci" "nvme" "usb_storage" "usbhid" "sd_mod" "sr_mod" ];
+  boot.initrd.kernelModules = [ ];
+  boot.kernelModules = [ "kvm-amd" ];
+  boot.extraModulePackages = [ ];
+
+  fileSystems."/" =
+    { device = "/dev/disk/by-uuid/f228ac2a-53f3-474a-a1da-b97f07048893";
+      fsType = "ext4";
+    };
+
+  fileSystems."/boot" =
+    { device = "/dev/disk/by-uuid/43B1-1B2C";
+      fsType = "vfat";
+      options = [ "fmask=0022" "dmask=0022" ];
+    };
+
+  swapDevices =
+    [ { device = "/dev/disk/by-uuid/a9e009c6-ad85-44e5-ad69-4496fba37d5b"; }
+    ];
+
+  # Enables DHCP on each ethernet and wireless interface. In case of scripted networking
+  # (the default) this is the recommended approach. When using systemd-networkd it's
+  # still possible to use this option, but it's recommended to use it in conjunction
+  # with explicit per-interface declarations with `networking.interfaces.<interface>.useDHCP`.
+  networking.useDHCP = lib.mkDefault true;
+  # networking.interfaces.eno1.useDHCP = lib.mkDefault true;
+  # networking.interfaces.wlp3s0.useDHCP = lib.mkDefault true;
+
+  nixpkgs.hostPlatform = lib.mkDefault "x86_64-linux";
+  hardware.cpu.amd.updateMicrocode = lib.mkDefault config.hardware.enableRedistributableFirmware;
+}
diff --git a/hp3/wireless.env b/hp3/wireless.env
new file mode 100644
index 0000000..fb44156
--- /dev/null
+++ b/hp3/wireless.env
@@ -0,0 +1 @@
+PSK_DEVICES=performance
diff --git a/t14/configuration.nix b/t14/configuration.nix
index 9458f58..d0c698c 100644
--- a/t14/configuration.nix
+++ b/t14/configuration.nix
@@ -3,7 +3,8 @@
 # and in the NixOS manual (accessible by running ‘nixos-help’).
 
 # sudo nixos-rebuild switch
-# nix-shell -p vim
+# nix-shell -p vimo
+# nmcli device wifi connect MYSSID password PWORD
 
 { config, pkgs, ... }:
 
@@ -13,6 +14,8 @@
   imports =
     [ # Include the results of the hardware scan.
       ./hardware-configuration.nix
+      # sudo nix-channel --add https://github.com/nix-community/home-manager/archive/release-23.11.tar.gz home-manager
+      # sudo nix-channel --update
       <home-manager/nixos>
     ];
 
@@ -105,9 +108,9 @@
   };
 
   # https://nix-community.github.io/home-manager/index.xhtml#ch-installation
-  users.users.eve.isNormalUser = true; 
+  users.users.eve.isNormalUser = true;
   home-manager.users.das = { pkgs, ... }: {
-    home.packages = with pkgs; [ 
+    home.packages = with pkgs; [
       # terminals
       gnome.gnome-terminal
       alacritty
@@ -149,7 +152,7 @@
       # go
       # https://nixos.wiki/wiki/Go
       # https://nixos.org/manual/nixpkgs/stable/#sec-language-go
-      # https://nixos.wiki/wiki/FAQ#How_can_I_install_a_package_from_unstable_while_remaining_on_the_stable_channel.3F 
+      # https://nixos.wiki/wiki/FAQ#How_can_I_install_a_package_from_unstable_while_remaining_on_the_stable_channel.3F
       libcap
       gcc
       #  thunderbird
@@ -227,14 +230,14 @@
         };
       };
     };
-    programs.vim = { 
+    programs.vim = {
       enable = true;
       plugins = with pkgs.vimPlugins; [ vim-airline ];
       settings = { ignorecase = true; };
       extraConfig = ''
         set mouse=a
       '';
-    }; 
+    };
     #ldflags = [
     #  "-X main.Version=${version}"
     #  "-X main.Commit=${version}"