Switch to switchng & enable tmpdir tmpfs

os-mods/common/default.nix

@@ -13,6 +13,10 @@ let
     else "dirty";
 in
 {
+  system.switch = {
+    enable = false;
+    enableNg = true;
+  };
   system.image = {
     id = "tristnix";
     version = commitid;
@@ -20,6 +24,11 @@ in
   # system.nixos.tags = [ "tristnix_${commitid}" ];
   nixpkgs.hostPlatform = lib.mkDefault system;
 
+  boot.tmp.useTmpfs = true;
+  systemd.services.nix-daemon = {
+    environment.TMPDIR = "/var/tmp";
+  };
+
   nix = {
     settings = {
       auto-optimise-store = true;
@@ -105,7 +114,7 @@ in
       flake = "/home/tristand/nix";
     };
     rust-motd = {
-      enable = true;
+      # enable = true; # broken atm
       enableMotdInSSHD = true;
       settings = {
         banner = {