#!/bin/sh
 UNKNOWN=3
 CRITICAL=2
 WARNING=1
 OK=0

 /usr/bin/smbclient -L localhost -N >/dev/null 2>&1

 if [ $? -eq 0 ]; then
   echo "OK - Samba is up and running"
   exit ${OK}
 else
   echo "CRITICAL - Samba is not running"
   exit ${CRITICAL}
 fi