base: add motd

base.nix

@@ -73,6 +73,7 @@
 
   # Trusted users on the nix builder machines
   users.groups."nix-builder-users".name = "nix-builder-users";
+  users.motd = builtins.readFile ./misc/motd;
 
   services.openssh = {
     enable = true;

hosts/buskerud/bikkje.nix

@@ -80,10 +80,14 @@
           PubkeyAcceptedAlgorithms=+ssh-rsa
        '';
 
-        settings.GatewayPorts = "yes";
-        banner = builtins.readFile ../../motd;
+        settings = {
+          GatewayPorts = "yes";
+          PermitRootLogin = "yes";
+        };
       };
 
+      users.motd = builtins.readFile ../../misc/motd;
+
       networking = {
         firewall.enable = true;
         # Use systemd-resolved inside the container