diff --git a/README.md b/README.md
index 8598339..c4f4011 100644
--- a/README.md
+++ b/README.md
@@ -1,3 +1,9 @@
 # terracadoles
 
-Cadoles Terraform modules
\ No newline at end of file
+Cadoles Terraform modules
+
+## Modules
+
+* virtualMachine
+* dns
+* nebula
\ No newline at end of file
diff --git a/modules/nebula/main.tf b/modules/nebula/main.tf
index 6c01048..bd8ae19 100644
--- a/modules/nebula/main.tf
+++ b/modules/nebula/main.tf
@@ -3,10 +3,6 @@ variable "vms" {
     description = "Virtual Machines description"
 }
 
-variable "image_driver" {
-    default = "qcow2"
-}
-
 variable "image_format" {
     default = "qcow2"
 }
@@ -32,6 +28,11 @@ variable "one_prod_ds" {
   default = "101"
 }
 
+variable "one_sys_datastore" {
+  default = "100"
+}
+
+
 // system image
 resource "opennebula_image" "system" {
   for_each = var.vms
@@ -41,7 +42,6 @@ resource "opennebula_image" "system" {
   datastore_id = var.one_prod_ds 
   path = "https://vulcain.cadoles.com/empty_20G"
   persistent = each.value.system_image_persistent
-  driver = var.image_driver
   format = var.image_format
   dev_prefix = var.dev_prefix
   permissions = var.permissions
@@ -56,7 +56,6 @@ resource "opennebula_image" "data" {
   datastore_id = var.one_prod_ds 
   description = "data disk for ${each.key}"
   persistent = each.value.data_image_persistent
-  driver = var.image_driver
   format = var.image_format
   dev_prefix = var.dev_prefix
   permissions = var.permissions
@@ -65,7 +64,7 @@ resource "opennebula_image" "data" {
 resource "opennebula_template" "vm_template" {
   for_each = var.vms
 
-  name = each.key
+  name = "${each.key}.${each.value.domain}"
   cpu = each.value.cpu
   vcpu = each.value.vcpu
   memory = each.value.ram
@@ -91,6 +90,8 @@ resource "opennebula_template" "vm_template" {
   }
   */
 
+  sched_ds_requirements = ( each.value.sysdatastore != "" ? each.value.sysdatastore : var.one_sys_datastore )
+
   os {
     arch = "x86_64"
     boot = "disk0,nic0"
@@ -103,7 +104,7 @@ resource "opennebula_template" "vm_template" {
     content {
       network_id = nic.value.network_id
       model = "virtio"
-      ip = nic.value.ip
+      mac = nic.value.mac
     }
   }
   permissions = var.permissions