diff --git a/main.tf b/main.tf
index 8601922..e0df238 100644
--- a/main.tf
+++ b/main.tf
@@ -1,3 +1,12 @@
+# 
+# module "node_exporter" {
+#   source                 = "git::https://git.dalembert.upmc.fr/terraform/module_alpine_prometheus_node_exporter"
+#   connection_ip          = var.eth0_ip
+#   connection_private_key = file(var.pm_private_key)
+#   node_exporter_version  = var.node_exporter_version
+# }
+
+
 resource "null_resource" "alpine_prometheus_node_exporter" {
   triggers = {
     source = filesha256("${path.module}/node_exporter.initd")
diff --git a/node_exporter.initd b/node_exporter.initd
index 85bf99d..17ba63f 100644
--- a/node_exporter.initd
+++ b/node_exporter.initd
@@ -2,10 +2,13 @@
 
 description="prometheus node exporter"
 command="/usr/sbin/node_exporter"
+
+# what to export
+# See node_exporter --help
 command_args="--collector.disable-defaults --collector.cpu --collector.cpufreq --collector.diskstats --collector.filefd --collector.filesystem --collector.loadavg --collector.meminfo --collector.netclass --collector.netstat --collector.os --collector.time --collector.uname --collector.vmstat --web.disable-exporter-metrics "
 pidfile="/run/${RC_SVCNAME}.pid"
 
 # node_exporter stay in backgroud
-command_background=true
 # make a pid for me
+command_background=true