diff --git a/metadata/service/linux.yml b/metadata/service/linux.yml
new file mode 100644
index 0000000..29127b9
--- /dev/null
+++ b/metadata/service/linux.yml
@@ -0,0 +1,10 @@
+parameters:
+  linux:
+    system:
+      user:
+        etcd:
+          enabled: true
+          name: etcd
+          home: /var/lib/etcd
+          shell: /bin/false
+          system: True
diff --git a/metadata/service/server/cluster.yml b/metadata/service/server/cluster.yml
index e688599..2758b51 100644
--- a/metadata/service/server/cluster.yml
+++ b/metadata/service/server/cluster.yml
@@ -2,6 +2,7 @@
 - etcd
 classes:
 - service.etcd.support
+- service.etcd.linux
 parameters:
   etcd:
     server:
diff --git a/metadata/service/server/proxy.yml b/metadata/service/server/proxy.yml
index 628bdc7..02e77dd 100644
--- a/metadata/service/server/proxy.yml
+++ b/metadata/service/server/proxy.yml
@@ -2,6 +2,7 @@
 - etcd
 classes:
 - service.etcd.support
+- service.etcd.linux
 parameters:
   etcd:
     server:
@@ -15,4 +16,4 @@
         - host: ${_param:cluster_node02_address}
           name: ${_param:cluster_node02_hostname}
         - host: ${_param:cluster_node03_address}
-          name: ${_param:cluster_node03_hostname}
\ No newline at end of file
+          name: ${_param:cluster_node03_hostname}
diff --git a/metadata/service/server/single.yml b/metadata/service/server/single.yml
index b4f0577..82d838a 100644
--- a/metadata/service/server/single.yml
+++ b/metadata/service/server/single.yml
@@ -2,6 +2,7 @@
 - etcd
 classes:
 - service.etcd.support
+- service.etcd.linux
 parameters:
   etcd:
     server:
@@ -12,4 +13,4 @@
       members:
         - host: ${_param:node_address}
           name: ${_param:node_hostname}
-          port: ${_param:node_port}
\ No newline at end of file
+          port: ${_param:node_port}