Add mount for /nix/store

Flake lock file updates:

• Updated input 'nix-pre-commit-hooks':
    'github:cachix/git-hooks.nix/b084b2c2b6bc23e83bbfe583b03664eb0b18c411?narHash=sha256-tJ7A8mID3ct69n9WCvZ3PzIIl3rXTdptn/lZmqSS95U%3D' (2025-09-11)
  → 'github:cachix/git-hooks.nix/54df955a695a84cd47d4a43e08e1feaf90b1fd9b?narHash=sha256-ytw7ROXaWZ7OfwHrQ9xvjpUWeGVm86pwnEd1QhzawIo%3D' (2025-09-17)
• Updated input 'nixos-hardware':
    'github:nixos/nixos-hardware/4c38a024fa32e61db2be8573e5282b15d9733a79?narHash=sha256-NfiTk59huy/YK9H4W4wVwRYyiP2u86QqROM5KK4f5F4%3D' (2025-09-14)
  → 'github:nixos/nixos-hardware/67a709cfe5d0643dafd798b0b613ed579de8be05?narHash=sha256-w6cDExPBqbq7fTLo4dZ1ozDGeq3yV6dSN4n/sAaS6OM%3D' (2025-09-15)
• Updated input 'nixpkgs':
    'github:nixos/nixpkgs/9a094440e02a699be5c57453a092a8baf569bdad?narHash=sha256-Vp9K5ol6h0J90jG7Rm4RWZsCB3x7v5VPx588TQ1dkfs%3D' (2025-09-14)
  → 'github:nixos/nixpkgs/e9b7f2ff62b35f711568b1f0866243c7c302028d?narHash=sha256-uLwwHFCZnT1c3N3biVe/0hCkag2GSrf9%2BM56%2BOkf%2BWY%3D' (2025-09-17)
• Updated input 'nixpkgsMaster':
    'github:NixOS/nixpkgs/434ed09bd161bb1058612038479dc34863c3f106?narHash=sha256-D44RIPMw71krFXsk9af22YbwBhHpLWCDbncFokHWs5c%3D' (2025-09-15)
  → 'github:NixOS/nixpkgs/24d7757b06ccd2ab95ad9661e8461f1a84c29f88?narHash=sha256-%2BZA/6rNgzgn8U05eexkdme2eTDbW5MpRTrqpg2Sc2cE%3D' (2025-09-17)
• Updated input 'nur':
    'github:nix-community/NUR/0f5e4ecbdfd50a2deb75f344a03e5cfa22b97bcb?narHash=sha256-hYGtHXTQ6eQPZWXKGxZWNrraP0j2p69B9EFIKNRC65E%3D' (2025-09-15)
  → 'github:nix-community/NUR/32b846c44f3af23fe35a5169e072764ee9116eb8?narHash=sha256-8OL31Mu6nHWJbzNar/1SQcUcil7lU0o7r3dGycydKr8%3D' (2025-09-17)
• Updated input 'sops-nix':
    'github:Mic92/sops-nix/ee6f91c1c11acf7957d94a130de77561ec24b8ab?narHash=sha256-TumOaykhZO8SOs/faz6GQhqkOcFLoQvESLSF1cJ4mZc%3D' (2025-09-14)
  → 'github:Mic92/sops-nix/f77d4cfa075c3de66fc9976b80e0c4fc69e2c139?narHash=sha256-HYnwlbY6RE5xVd5rh0bYw77pnD8lOgbT4mlrfjgNZ0c%3D' (2025-09-16)

flake.lock

@@ -386,11 +386,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1757588530,
-        "narHash": "sha256-tJ7A8mID3ct69n9WCvZ3PzIIl3rXTdptn/lZmqSS95U=",
+        "lastModified": 1758108966,
+        "narHash": "sha256-ytw7ROXaWZ7OfwHrQ9xvjpUWeGVm86pwnEd1QhzawIo=",
         "owner": "cachix",
         "repo": "git-hooks.nix",
-        "rev": "b084b2c2b6bc23e83bbfe583b03664eb0b18c411",
+        "rev": "54df955a695a84cd47d4a43e08e1feaf90b1fd9b",
         "type": "github"
       },
       "original": {
@@ -402,11 +402,11 @@
     },
     "nixos-hardware": {
       "locked": {
-        "lastModified": 1757891025,
-        "narHash": "sha256-NfiTk59huy/YK9H4W4wVwRYyiP2u86QqROM5KK4f5F4=",
+        "lastModified": 1757943327,
+        "narHash": "sha256-w6cDExPBqbq7fTLo4dZ1ozDGeq3yV6dSN4n/sAaS6OM=",
         "owner": "nixos",
         "repo": "nixos-hardware",
-        "rev": "4c38a024fa32e61db2be8573e5282b15d9733a79",
+        "rev": "67a709cfe5d0643dafd798b0b613ed579de8be05",
         "type": "github"
       },
       "original": {
@@ -418,11 +418,11 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1757810152,
-        "narHash": "sha256-Vp9K5ol6h0J90jG7Rm4RWZsCB3x7v5VPx588TQ1dkfs=",
+        "lastModified": 1758070117,
+        "narHash": "sha256-uLwwHFCZnT1c3N3biVe/0hCkag2GSrf9+M56+Okf+WY=",
         "owner": "nixos",
         "repo": "nixpkgs",
-        "rev": "9a094440e02a699be5c57453a092a8baf569bdad",
+        "rev": "e9b7f2ff62b35f711568b1f0866243c7c302028d",
         "type": "github"
       },
       "original": {
@@ -450,11 +450,11 @@
     },
     "nixpkgsMaster": {
       "locked": {
-        "lastModified": 1757932657,
-        "narHash": "sha256-D44RIPMw71krFXsk9af22YbwBhHpLWCDbncFokHWs5c=",
+        "lastModified": 1758137774,
+        "narHash": "sha256-+ZA/6rNgzgn8U05eexkdme2eTDbW5MpRTrqpg2Sc2cE=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "434ed09bd161bb1058612038479dc34863c3f106",
+        "rev": "24d7757b06ccd2ab95ad9661e8461f1a84c29f88",
         "type": "github"
       },
       "original": {
@@ -518,11 +518,11 @@
         "nixpkgs": "nixpkgs_2"
       },
       "locked": {
-        "lastModified": 1757931984,
-        "narHash": "sha256-hYGtHXTQ6eQPZWXKGxZWNrraP0j2p69B9EFIKNRC65E=",
+        "lastModified": 1758137232,
+        "narHash": "sha256-8OL31Mu6nHWJbzNar/1SQcUcil7lU0o7r3dGycydKr8=",
         "owner": "nix-community",
         "repo": "NUR",
-        "rev": "0f5e4ecbdfd50a2deb75f344a03e5cfa22b97bcb",
+        "rev": "32b846c44f3af23fe35a5169e072764ee9116eb8",
         "type": "github"
       },
       "original": {
@@ -634,11 +634,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1757847158,
-        "narHash": "sha256-TumOaykhZO8SOs/faz6GQhqkOcFLoQvESLSF1cJ4mZc=",
+        "lastModified": 1758007585,
+        "narHash": "sha256-HYnwlbY6RE5xVd5rh0bYw77pnD8lOgbT4mlrfjgNZ0c=",
         "owner": "Mic92",
         "repo": "sops-nix",
-        "rev": "ee6f91c1c11acf7957d94a130de77561ec24b8ab",
+        "rev": "f77d4cfa075c3de66fc9976b80e0c4fc69e2c139",
         "type": "github"
       },
       "original": {

hosts/default.nix

@@ -29,4 +29,7 @@ in
       hardware.framework-16-7040-amd
     ];
   };
+  vm = {
+    system = "x86_64-linux";
+  };
 }

hosts/vm/configuration.nix

@@ -0,0 +1,30 @@
+{ pkgs, ... }:
+
+{
+  environment.systemPackages = with pkgs; [
+    htop
+  ];
+
+  boot = {
+    loader.grub.devices = [ "/dev/vda" ];
+    initrd = {
+      enable = true;
+      systemd.enable = true;
+    };
+  };
+
+  services.getty.autologinUser = "root";
+
+  fileSystems."/" = {
+    fsType = "tmpfs";
+    options = [ "mode=0755" ];
+  };
+
+  fileSystems."/nix/store" = {
+    fsType = "btrfs";
+    device = "/dev/vda2";
+    options = [ "nodev,noatime,compress-force=zstd:1,discard=async" ];
+  };
+
+  system.stateVersion = "25.05";
+}