diff --git a/conf/etc/nagios/nrpe.d/check_nrpe.cfg b/conf/etc/nagios/nrpe.d/check_nrpe.cfg
index 70f0345..c8e6a3c 100644
--- a/conf/etc/nagios/nrpe.d/check_nrpe.cfg
+++ b/conf/etc/nagios/nrpe.d/check_nrpe.cfg
@@ -16,6 +16,7 @@
 
 command[check_available_conntrack]	= /usr/local/bin/check_available_conntrack
 command[check_cpu]     				= /usr/local/bin/check_cpu
+command[check_systemd]              = /usr/local/bin/check_systemd
 
 # with sudo
 
diff --git a/conf/usr/local/bin/check_systemd b/conf/usr/local/bin/check_systemd
new file mode 100755
index 0000000..4a5864e
--- /dev/null
+++ b/conf/usr/local/bin/check_systemd
@@ -0,0 +1,43 @@
+# BSD 3-Clause License
+# 
+# Copyright (c) 2019, Alban Vidal <alban.vidal@zordhak.fr>
+# All rights reserved.
+#
+# Please see license file on root of this directory
+################################################################################
+
+# !! GIT FILE !!
+# https://framagit.org/zorval/scripts/check-nrpe
+
+################################################################################
+
+# ConnTrack files
+FILE_CONNTRACK_MAX="/proc/sys/net/netfilter/nf_conntrack_max"
+FILE_CONNTRACK_COUNT="/proc/sys/net/netfilter/nf_conntrack_count"
+
+if [[ ! -f "$FILE_CONNTRACK_MAX" || ! -f "$FILE_CONNTRACK_COUNT" ]] ; then
+    echo "Error, one of this files does not exists :"
+    echo " - $FILE_CONNTRACK_MAX"
+    echo " - $FILE_CONNTRACK_COUNT"
+    exit2
+fi
+
+################################################################################
+
+# Little script which check systemd status
+
+RETURN_CODE=0
+
+# Check systemd status
+STATUS=$(systemctl --failed --no-pager --no-legend)
+
+# Test if return is OK
+if [ -z "$STATUS" ]; then
+    echo "OK"
+else
+    echo "Systemd error"
+    echo "$STATUS"
+    RETURN_CODE=2
+fi
+
+exit "$RETURN_CODE"