Creating a NixOS live CD: Difference between revisions

@@ Line 27: / Line 27: @@
 In your iso.nix:
-  services.openssh = {
+<syntaxhighlight lang="nix">
-    enable = true;
+# enable ssh in the iso boot process
-    hostKeys = [
+systemd.services.sshd.wantedBy = lib.mkForce [ "multi-user.target" ];
-      { bits = 8192; type = "ed25519"; path = "/etc/ssh/ssh_host_ed25519_key"; }
+users.users.root.openssh.authorizedKeys.keys [
-    ];
+  "ssh-ed25519 AaAeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee username@host"
-  };
+];
-  # enable ssh in the iso boot process
+</syntaxhighlight>
-  systemd.services.sshd.wantedBy = lib.mkForce [ "multi-user.target" ];
-  users.users.root.openssh.authorizedKeys.keys [
-    "ssh-rsa AAAAB3NzaC1y...== me@my-laptop"
-  ];
+=== Add static ip addresses ===
+The following snippet is useful, when static ip addresses are required, e.g. for VPS installation
+<syntaxhighlight lang="nix">
+networking = {
+  usePredictableInterfaceNames = false;
+  interfaces.eth0.ip4 = [{
+    address = "64.137.201.46";
+    prefixLength = 24;
+  }];
+  defaultGateway = "64.137.201.1";
+  nameServers = [ "8.8.8.8" ];
+};
+</syntaxhighlight>
 == software installation inside the 'once' deployed and booted image ==