From 84a37a8ef41712840e1a2462b6edc6eab56346d5 Mon Sep 17 00:00:00 2001
From: Gregor Kleen <gkleen@yggdrasil.li>
Date: Thu, 5 Apr 2018 12:50:05 +0200
Subject: More stuff on odin

---
 odin.nix | 32 ++++++++++++++++++++++++++------
 ymir.nix |  8 --------
 2 files changed, 26 insertions(+), 14 deletions(-)

diff --git a/odin.nix b/odin.nix
index 447566a7..24129d38 100644
--- a/odin.nix
+++ b/odin.nix
@@ -39,7 +39,17 @@
 
   programs.zsh.enable = true;
 
-  services.openssh.enable = true;
+  services.openssh = {
+    enable = true;
+    passwordAuthentication = false;
+    challengeResponseAuthentication = false;
+    extraConfig = ''
+      AllowGroups ssh
+    '';
+  };
+  users.groups."ssh" = {
+    members = ["root"];
+  };
 
   networking.firewall = {
     enable = true;
@@ -57,9 +67,19 @@
       openssh.authorizedKeys.keyFiles = template.openssh.authorizedKeys.keyFiles;
     };
 
-  # This value determines the NixOS release with which your system is to be
-  # compatible, in order to avoid breaking some software such as database
-  # servers. You should change this only after NixOS release notes say you
-  # should.
-  system.stateVersion = "18.09"; # Did you read the comment?
+  services.journald = {
+    rateLimitBurst = 0;
+  };
+
+  services.haveged.enable = true;
+
+  system.autoUpgrade.enable = true;
+  system.stateVersion = "18.09";
+
+  systemd.services."nixos-upgrade" = {
+    path = with pkgs; [ git ];
+    preStart = ''
+      git -C /etc/nixos pull --recurse-submodules
+    '';
+  };
 }
diff --git a/ymir.nix b/ymir.nix
index 0f8e36a0..7f582980 100644
--- a/ymir.nix
+++ b/ymir.nix
@@ -209,10 +209,6 @@ in rec {
         openssh.authorizedKeys.keyFiles = template.openssh.authorizedKeys.keyFiles;
       };
 
-  services.ntp = {
-    enable = false;
-  };
-
   # List services that you want to enable:
 
   services.openssh = {
@@ -243,10 +239,6 @@ in rec {
               ];
   };
 
-  services.timesyncd = {
-    enable = true;
-  };
-
   services.journald = {
     rateLimitBurst = 0;
   };
-- 
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