enable printing and add network printer

hosts/common/optional/printing.nix

@@ -0,0 +1,28 @@
+{ pkgs, ... }:
+{
+  services = {
+    printing = {
+      enable = true;
+      drivers = [ pkgs.gutenprint pkgs.hplip ];
+    };
+    avahi = {
+      enable = true;
+      nssmdns4 = true;
+      openFirewall = true;
+    };
+  };
+  hardware.printers = {
+    ensurePrinters = [
+      {
+        name = "HP_ENVY_6000";
+        description = "Network printer hosted on bob";
+        location = "bob";
+        deviceUri = "ipp://bob/printers/HP_ENVY_6000_series";
+        model = "everywhere";
+        ppdOptions = {
+          PageSize = "A4";
+        };
+      }
+    ];
+  };
+}

hosts/semita/default.nix

@@ -31,6 +31,7 @@ in
       ../common/optional/openssh.nix
       ../common/optional/dwm.nix
       ../common/optional/nfs-mounts/music.nix
+      ../common/optional/printing.nix
 
     ];
 

hosts/sparky/default.nix

@@ -28,6 +28,7 @@ in
       ../common/optional/openssh.nix
       ../common/optional/persistence.nix
       ../common/optional/gaming.nix
+      ../common/optional/printing.nix
 
     ];