Khanda: more tweaks and adjustments

hosts/Khanda/hardware-configuration.nix

@@ -61,13 +61,6 @@ in
       ];
     };
 
-    # Improve Khanda's responsiveness
-    kernel.sysctl = {
-      "vm.swappiness" = 20; # Try to reduce swappiness - Khanda hates paging, even to NVMe storage
-      "vm.vfs_cache_pressure" = 50; # https://wiki.archlinux.org/title/Sysctl#VFS_cache
-      "kernel.core_pattern" = "|${pkgs.coreutils}/bin/false"; # Disable core dumps per https://wiki.archlinux.org/title/Core_dump#Using_sysctl
-    };
-
     kernelModules = [
       "kvm-intel"
       "surface_aggregator"
@@ -85,7 +78,6 @@ in
 
     kernelParams = [
       "pci=hpiosize=0" # Prevent ACPI interrupt storm. See https://github.com/linux-surface/linux-surface/wiki/Surface-Pro-9#acpi-interrupt-storm
-      "nvme_core.default_ps_max_latency_us=0" # Disable NVME powersaving to prevent system stuttering. See https://forums.linuxmint.com/viewtopic.php?t=392387
     ];
   };
 
@@ -102,12 +94,6 @@ in
     };
   };
 
-  # Change I/O scheduler to Kyber to try and reduce stuttering under load.
-  # NVME supports `mq-deadline` and `kyber` schedulers
-  services.udev.extraRules = ''
-    ACTION=="add|change", KERNEL=="nvme0n1", ATTR{queue/rotational}=="0", ATTR{queue/scheduler}="kyber"
-  '';
-
   hardware = {
     cpu.intel.updateMicrocode = lib.mkDefault config.hardware.enableRedistributableFirmware;
     ipu6 = {

modules/ui/desktops/gnome.nix

@@ -110,7 +110,6 @@ in
         gnomeExtensions.alphabetical-app-grid
         gnomeExtensions.appindicator
         gnomeExtensions.dash-to-panel
-        gnomeExtensions.random-wallpaper
         # Themeing
         gnome.gnome-themes-extra
         papirus-icon-theme

modules/users/aires/default.nix

@@ -93,9 +93,9 @@ in
                 nos = "nixos-upgrade-script";
                 z = "zellij";
                 update = "upgrade";
-                upgrade = "nh os boot --update --ask";
+                upgrade = "nos";
               };
-              loginExtra = "fastfetch";
+              loginExtra = "fastfetch --memory-percent-green 75 --memory-percent-yellow 90";
             };
           };
         };