lol

systems/x86_64-linux/iso-minimal/default.nix

@@ -4,6 +4,25 @@
   namespace,
   ...
 }:
+let
+  # SSH public keys sourced from sops secrets (ssh-keys-public section).
+  # Baked in here since sops is not available on a live install ISO
+  # (no persistent host key to decrypt with).
+  sopsPublicKeys = [
+    # macbook-macos
+    "ssh-rsa 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 mattjallen@MacBook-Pro.local"
+    # desktop-windows
+    "ssh-rsa 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 mattl@Jallen-PC"
+    # desktop-nixos
+    "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIPTBMydhOc6SnOdB5WrEd7X07DrboAtagCUgXiOJjLov matt@matt-nixos"
+    # macbook-pro-nixos
+    "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIBOhX3ds1QBC5qqqtPJDZgyGr8gfGjCGnGCiIhWZNNi4 matt@macbook-pro-nixos"
+    # pi5
+    "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIJy7r49e2dqi1UFICKZwqSRGEvNPgVB2p2KZE5bCkFsh matt@pi5"
+    # deck
+    "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAINF1pqrxyLTGHxsdtXP8lXiE2iHDTSMV9JVgN8GVRLKK deck@nixos"
+  ];
+in
 {
   ${namespace} = {
     # ###################################################
@@ -38,6 +57,8 @@
       firewall = {
         enable = true;
         allowPing = true;
+        # Allow SSH (required for nixos-anywhere)
+        allowedTCPPorts = [ 22 ];
       };
     };
 
@@ -58,6 +79,12 @@
     user = {
       name = "nixos";
       linger = true;
+      # Plain-text password for the live ISO session.
+      # The user module assertion requires at least one password method.
+      password = "nixos";
+      # Include all sops SSH public keys so any of your machines can connect.
+      # commonSshKeys from the user module are also enabled by default.
+      sshKeys = sopsPublicKeys;
     };
   };
 
@@ -79,4 +106,26 @@
     supportedFilesystems.zfs = false;
   };
 
+  # ###################################################
+  # #                     SSH                       # #
+  # ###################################################
+  # Explicit openssh settings for nixos-anywhere compatibility.
+  # nixos-anywhere SSHes in as root to run the install, so root login must be
+  # permitted. Password auth is disabled — key-only access only.
+  services.openssh = {
+    enable = lib.mkForce true;
+    settings = {
+      PermitRootLogin = lib.mkForce "yes";
+      PasswordAuthentication = lib.mkForce false;
+    };
+  };
+
+  # nixos-anywhere connects as root; ensure root also trusts all our keys.
+  users.users.root.openssh.authorizedKeys.keys = sopsPublicKeys;
+
+  # Sops is not usable on a live ISO (no persistent host key to decrypt with).
+  # Disable sops validation to prevent build/boot failures.
+  sops.defaultSopsFile = lib.mkForce "/dev/null";
+  sops.validateSopsFiles = false;
+
 }