diff --git a/services.nix b/services.nix
index 1e920ef..a40d926 100644
--- a/services.nix
+++ b/services.nix
@@ -63,6 +63,9 @@ in
       system = {};
       disk = {};
       ipmi_sensor = { path = "${pkgs.ipmitool}/bin/ipmitool"; };
+      smart = {
+        path = "${pkgs.writeShellScriptBin "smartctl" "/run/wrappers/bin/sudo ${pkgs.smartmontools}/bin/smartctl $@"}/bin/smartctl";
+      };
     };
     outputs = {
       influxdb = { database = "telegraf"; urls = [ "http://localhost:8086" ]; };
@@ -73,6 +76,10 @@ in
     KERNEL=="ipmi*", MODE="660", OWNER="telegraf"
   '';
 
+  security.sudo.extraRules = [
+    { commands = [ { command = "${pkgs.smartmontools}/bin/smartctl"; options = [ "NOPASSWD" ]; } ]; users = [ "telegraf" ]; }
+  ];
+
   services.grafana.enable = true;
   services.grafana.addr = "127.0.0.1";
   services.grafana.dataDir = "/var/lib/grafana";