diff --git a/roles/icinga/files/hostgroups_icinga.cfg b/roles/icinga/files/hostgroups_icinga.cfg
new file mode 100644
index 0000000..c202b20
--- /dev/null
+++ b/roles/icinga/files/hostgroups_icinga.cfg
@@ -0,0 +1,75 @@
+# Some generic hostgroup definitions
+
+define hostgroup {
+        hostgroup_name  all
+		alias           All Servers
+		members         *
+        }
+
+define hostgroup {
+        hostgroup_name 	       localhost
+		alias          Debian GNU/Linux Servers
+		members        localhost  
+        }
+
+define hostgroup { 
+	hostgroup_name debian-servers 
+	alias		Serveurs distant
+	members        s-infra, s-proxy, r-int, r-ext, s-adm, s-itil, s-mess
+} 
+
+define hostgroup { 
+	hostgroup_name ssh-servers 
+	alias 		acces SSH 
+	members		s-adm, s-infra, s-proxy, r-int, r-ext, localhost, gwsio2, s-itil, s-mess, s-lb
+}
+
+define hostgroup { 
+	hostgroup_name dns-servers
+	alias serveurs-dns 
+	members s-infra, srv-2012 
+} 
+
+define hostgroup { 
+	hostgroup_name dhcp-servers
+	alias serveurs-dhcp 
+	members r-int, srv-2012 
+} 
+
+define hostgroup {
+        hostgroup_name  http-servers
+		alias           serveurs-web
+		members         localhost, s-itil, s-adm
+        }
+
+#define hostgroup {
+#        hostgroup_name  email-servers
+#		alias           serveurs-email
+#		members         s-mess
+#       }
+
+define hostgroup { 
+	hostgroup_name proxy-servers
+	alias 		serveurs-proxy 
+	members 	s-proxy 
+}
+
+define hostgroup{
+	hostgroup_name	windows-servers
+	alias		windows-servers
+	members		srv-2012
+}
+
+#define hostgroup{
+#	hostgroup_name	switch
+#	alias		switch
+#	members		netgear
+#}
+
+define hostgroup{
+	hostgroup_name	uptimegrp
+	alias		uptimegrp
+	members		s-infra, s-proxy, r-int, r-ext, s-adm, s-itil, s-mess, s-lb
+}
+
+
diff --git a/roles/icinga/files/s-lb.cfg b/roles/icinga/files/s-lb.cfg
new file mode 100644
index 0000000..5754f25
--- /dev/null
+++ b/roles/icinga/files/s-lb.cfg
@@ -0,0 +1,14 @@
+# A simple configuration file for monitoring the local host
+# This can serve as an example for configuring other servers;
+# Custom services specific to this host are added here, but services
+# defined in nagios2-common_services.cfg may also apply.
+# 
+
+define host{
+        use                     generic-host            ; Name of host template$
+        host_name               s-lb
+        alias                   debian-servers
+        address                 192.168.100.10
+        parents                 r-int
+        }
+
diff --git a/roles/icinga/files/s-mess.cfg b/roles/icinga/files/s-mess.cfg
new file mode 100644
index 0000000..79df415
--- /dev/null
+++ b/roles/icinga/files/s-mess.cfg
@@ -0,0 +1,14 @@
+# A simple configuration file for monitoring the local host
+# This can serve as an example for configuring other servers;
+# Custom services specific to this host are added here, but services
+# defined in nagios2-common_services.cfg may also apply.
+# 
+
+define host{
+        use                     generic-host            ; Name of host template$
+        host_name               s-mess
+        alias                   nextcloud
+        address                 172.16.0.7
+        parents                 r-int
+        }
+