diff --git a/nagios_core_commands.cfg b/nagios_core_commands.cfg
new file mode 100644
index 0000000..2c0b3eb
--- /dev/null
+++ b/nagios_core_commands.cfg
@@ -0,0 +1,4 @@
+# 'check_ssh' command definition
+define command{
+        command_name    check_by_ssh
+        command_line    $USER1$/check_by_ssh -H $HOSTADDRESS$ $ARG1$