diff --git a/README.md b/README.md
index d213455..5d7702b 100644
--- a/README.md
+++ b/README.md
@@ -10,6 +10,11 @@ sudo umount /tmp/mnt
 sudo nixos-generate-config --root /mnt
 cp /mnt/etc/nixos/hardware-configuration.nix hosts/$(hostname)/hardware-configuration.nix
 sudo nixos-install --root /mnt --no-root-passwd --flake .#$(hostname)
+sudo nixos-enter
+passwd
+passwd muon
+exit
+sudo reboot
 ```
 
 # Impermanence
diff --git a/hosts/murk/configuration.nix b/hosts/murk/configuration.nix
index 5f9f24c..969f9c3 100644
--- a/hosts/murk/configuration.nix
+++ b/hosts/murk/configuration.nix
@@ -6,6 +6,11 @@ in {
   imports = [
     ./hardware-configuration.nix
     inputs.impermanence.nixosModules.impermanence
+    "${
+      builtins.fetchTarball
+      "https://github.com/nix-community/disko/archive/master.tar.gz"
+    }/module.nix"
+    ./disk-config.nix
     # (inputs.nixpkgs
     #   + "/nixos/modules/installer/cd-dvd/installation-cd-minimal.nix")
   ];
@@ -19,9 +24,12 @@ in {
   networking.hostId = "a2309090";
   mods.home.file = ./home.nix;
 
+  boot.loader.grub.enable = true;
+  boot.loader.grub.efiSupport = true;
+  boot.loader.grub.efiInstallAsRemovable = true;
+
   # Modules
   mods.desktop.enable = true;
-  mods.boot.enable = true;
 
   mods.theme.enable = true;
   mods.theme.scheme = "woodland";
diff --git a/hosts/murk/hardware-configuration.nix b/hosts/murk/hardware-configuration.nix
index 6ea19ce..2598b86 100644
--- a/hosts/murk/hardware-configuration.nix
+++ b/hosts/murk/hardware-configuration.nix
@@ -4,61 +4,64 @@
 { config, lib, pkgs, modulesPath, ... }:
 
 {
-  imports =
-    [ (modulesPath + "/installer/scan/not-detected.nix")
-    ];
+  imports = [ (modulesPath + "/installer/scan/not-detected.nix") ];
 
-  boot.initrd.availableKernelModules = [ "xhci_pci" "ehci_pci" "ahci" "usb_storage" "sd_mod" "rtsx_pci_sdmmc" ];
+  boot.initrd.availableKernelModules =
+    [ "xhci_pci" "ehci_pci" "ahci" "usb_storage" "sd_mod" "rtsx_pci_sdmmc" ];
   boot.initrd.kernelModules = [ ];
   boot.kernelModules = [ "kvm-intel" ];
   boot.extraModulePackages = [ ];
 
-  fileSystems."/" =
-    { device = "/dev/mapper/crypted";
-      fsType = "btrfs";
-      options = [ "subvol=root" ];
-    };
+  fileSystems."/" = {
+    device = "/dev/mapper/crypted";
+    fsType = "btrfs";
+    options = [ "subvol=root" ];
+  };
 
-  boot.initrd.luks.devices."crypted".device = "/dev/disk/by-uuid/1ca0c5f6-3cb3-4f86-94a5-4376461da227";
+  boot.initrd.luks.devices."crypted".device =
+    "/dev/disk/by-uuid/1ca0c5f6-3cb3-4f86-94a5-4376461da227";
 
-  fileSystems."/boot" =
-    { device = "/dev/disk/by-uuid/4BD8-A887";
-      fsType = "vfat";
-      options = [ "fmask=0077" "dmask=0077" ];
-    };
+  fileSystems."/boot" = {
+    device = "/dev/disk/by-uuid/4BD8-A887";
+    fsType = "vfat";
+    options = [ "fmask=0077" "dmask=0077" ];
+  };
 
-  fileSystems."/home" =
-    { device = "/dev/mapper/crypted";
-      fsType = "btrfs";
-      options = [ "subvol=home" ];
-    };
+  fileSystems."/home" = {
+    device = "/dev/mapper/crypted";
+    fsType = "btrfs";
+    options = [ "subvol=home" "compress=zstd" "noatime" ];
+  };
 
-  fileSystems."/nix" =
-    { device = "/dev/mapper/crypted";
-      fsType = "btrfs";
-      options = [ "subvol=nix" ];
-    };
+  fileSystems."/nix" = {
+    device = "/dev/mapper/crypted";
+    fsType = "btrfs";
+    options = [ "subvol=nix" "compress=zstd" "noatime" ];
+  };
 
-  fileSystems."/persist" =
-    { device = "/dev/mapper/crypted";
-      fsType = "btrfs";
-      options = [ "subvol=persist" ];
-    };
+  fileSystems."/persist" = {
+    device = "/dev/mapper/crypted";
+    fsType = "btrfs";
+    options = [ "subvol=persist" "compress=zstd" "noatime" ];
+    neededForBoot = true;
+  };
 
-  fileSystems."/swap" =
-    { device = "/dev/mapper/crypted";
-      fsType = "btrfs";
-      options = [ "subvol=swap" ];
-    };
+  fileSystems."/swap" = {
+    device = "/dev/mapper/crypted";
+    fsType = "btrfs";
+    options = [ "subvol=swap" ];
+  };
 
-  fileSystems."/var/log" =
-    { device = "/dev/mapper/crypted";
-      fsType = "btrfs";
-      options = [ "subvol=log" ];
-    };
+  fileSystems."/var/log" = {
+    device = "/dev/mapper/crypted";
+    fsType = "btrfs";
+    options = [ "subvol=log" "compress=zstd" "noatime" ];
+    neededForBoot = true;
+  };
 
   swapDevices = [ ];
 
   nixpkgs.hostPlatform = lib.mkDefault "x86_64-linux";
-  hardware.cpu.intel.updateMicrocode = lib.mkDefault config.hardware.enableRedistributableFirmware;
+  hardware.cpu.intel.updateMicrocode =
+    lib.mkDefault config.hardware.enableRedistributableFirmware;
 }
diff --git a/modules/home/impermanence.nix b/modules/home/impermanence.nix
index 7a7a461..b2dee21 100644
--- a/modules/home/impermanence.nix
+++ b/modules/home/impermanence.nix
@@ -3,7 +3,6 @@ let
   fs-diff = with pkgs;
     writeShellApplication {
       name = "fs-diff";
-      runtimeInputs = [ flameshot curl xsel ];
       text = ''
         #!/usr/bin/env bash
         # fs-diff.sh
@@ -36,7 +35,7 @@ let
 in with lib; {
   config = mkIf osConfig.mods.impermanence.enable {
     home.packages = [ fs-diff ];
-    # home.persistence."/persistent/home/muon" = {
+    # home.persistence."/persist/home/muon" = {
     #   directories = [
     #     "documents"
     #     "downloads"
diff --git a/modules/nixos/impermanence.nix b/modules/nixos/impermanence.nix
index 2871d4a..2ca5297 100644
--- a/modules/nixos/impermanence.nix
+++ b/modules/nixos/impermanence.nix
@@ -3,15 +3,19 @@ with lib; {
   options.mods.impermanence.enable = mkEnableOption "enables impermanence";
 
   config = mkIf config.mods.impermanence.enable {
-    # environment.persistence."/persistent" = {
-    #   directories = [
-    #     "/var/lib/bluetooth"
-    #     "/var/lib/nixos"
-    #     "/var/lib/systemd/coredump"
-    #     "/etc/NetworkManager/system-connections"
-    #   ];
-    #   files = [ "/etc/machine-id" ];
-    # };
+    environment.persistence."/persist" = {
+      directories =
+        [ "/var/lib/nixos" "/var/lib/systemd/coredump" "/etc/nixos" ];
+      files = [
+        "/etc/machine-id"
+        "/etc/passwd"
+        "/etc/group"
+        "/etc/shadow"
+        "/etc/subgid"
+        "/etc/subuid"
+        "/etc/sudoers"
+      ];
+    };
 
     boot.initrd.postResumeCommands = lib.mkAfter ''
       mkdir /btrfs_tmp