more telegraf

systems/sandbox/cfg.nix

@@ -90,6 +90,7 @@
     };
     monitoring.telegraf = {
       enable = true;
+      interval = "15s";
       collectors = [
         "cpu"
         "mem"
@@ -102,6 +103,8 @@
         #"netstat"
         #"processes"
         "docker"
+        "systemd_units"
+        "nix"
         "ping"
         "internet_speed"
       ];