diff --git a/hosts/g18-next/configuration.nix b/hosts/g18-next/configuration.nix
index 63e13e7..eb95bd1 100644
--- a/hosts/g18-next/configuration.nix
+++ b/hosts/g18-next/configuration.nix
@@ -45,6 +45,7 @@ in
       }
     ];
   };
+  services.resolved.enable = true;
   networking.firewall.extraCommands = ''
     iptables -A INPUT -s 192.168.122.1 -j ACCEPT
   '';
@@ -80,8 +81,37 @@ in
     };
   };
   systemd.sockets.gitea.listenStreams = [ "22" ];
-  systemd.services.gitea.requires = [ "gitea.socket" ];
-
+  systemd.services.gitea.requires = [ "gitea.socket" "data0.mount" ];
+  systemd.services.gitea.after = [ "data0.mount" ];
+  # service: influxdb
+  services.influxdb2.enable = true;
+  systemd.services.influxdb2.requires = [ "var-lib-influxdb2.mount" ];
+  systemd.services.influxdb2.after = [ "var-lib-influxdb2.mount" ];
+  fileSystems."/var/lib/influxdb2" = {
+    depends = [ "/data0" ];
+    device = "/data0/lib/influxdb";
+    options = [ "bind" ];
+  };
+  # service: dnsmasq stub dns server
+  services.dnsmasq = {
+    enable = true;
+    settings = {
+      interface = [ "enp1s0" "lo" ];
+      bind-interfaces = true;
+      domain-needed = true;
+      bogus-priv = true;
+      no-resolv = true;
+      no-poll = true;
+      domain = "nasp";
+      server = [
+        "101.6.6.6"
+        "1.1.1.1"
+        "2001:da8::666"
+        "/tsinghua.edu.cn/166.111.8.29"
+        "/tsinghua.edu.cn/166.111.8.28"
+      ];
+    };
+  };
 
   system.stateVersion = "24.05";
 }