diff --git a/sys/platforms/posixlycorrect/default.nix b/sys/platforms/posixlycorrect/default.nix
index cf91bc2..dc8d45d 100644
--- a/sys/platforms/posixlycorrect/default.nix
+++ b/sys/platforms/posixlycorrect/default.nix
@@ -26,8 +26,7 @@
       paths = [
         "/home/fabian/nix"
         "/home/fabian/safe"
-        "/extern/var/media"
-        "/extern/var/fsociety_backup"
+        "/xtern/backup"
       ];
       repoName = "posixlycorrect";
     };
@@ -47,6 +46,7 @@
   networking = {
     hostName = "posixlycorrect";
     networkmanager.enable = true;
+    hostId = "0414a727";
 
     useDHCP = false; # The global useDHCP flag is deprecated, therefore explicitly set to false here.
     interfaces.enp7s0.useDHCP = true; # Per-interface useDHCP will be mandatory in the future, so this generated config
@@ -59,7 +59,11 @@
       efi.canTouchEfiVariables = true;
     };
     tmp.useTmpfs = true;
-    kernelPackages = pkgs.linuxPackages_latest;
+    supportedFilesystems = [ "zfs" ];
+    zfs = {
+      forceImportRoot = false;
+      useKeyringForCredentials = true;
+    };
   };
 
   time.timeZone = "America/Costa_Rica";