update hardware config

modules/hardware-configuration/vm/linode.nix

@@ -8,17 +8,32 @@
     [ (modulesPath + "/profiles/qemu-guest.nix")
     ];
 
-  boot.initrd.availableKernelModules = [ "virtio_scsi" "ahci" "sd_mod" "sr_mod" ];
+  boot.initrd.availableKernelModules = [ "virtio_pci" "virtio_scsi" "ahci" "sd_mod" ];
   boot.initrd.kernelModules = [ ];
   boot.kernelModules = [ ];
   boot.extraModulePackages = [ ];
 
   fileSystems."/" =
-    { device = "/dev/disk/by-uuid/39c9f27b-5fea-4024-8a5d-64f5537e604d";
+    { device = "/dev/sda";
       fsType = "ext4";
     };
 
-  swapDevices = [ ];
+  swapDevices =
+    [ { device = "/dev/sdb"; }
+    ];
+
+# Enable LISH
+boot.kernelParams = [ "console=ttyS0,19200n8" ];
+boot.loader.grub.extraConfig = ''
+  serial --speed=19200 --unit=0 --word=8 --parity=no --stop=1;
+  terminal_input serial;
+  terminal_output serial;
+'';
+
+boot.loader.grub.forceInstall = true;
+boot.loader.grub.device = "nodev";
+boot.loader.timeout = 10;
+
 
   nixpkgs.hostPlatform = lib.mkDefault "x86_64-linux";
-}
+}