check process logserver with pidfile /var/run/logserver.pid
   start program = "/etc/init.d/logserver start"
   stop program = "/etc/init.d/logserver stop"
   depends on logserver_init
   depends on logserver_exe

check file logserver_init
  with path /etc/init.d/logserver
  if changed timestamp then restart

check file logserver_exe
  with path /usr/local/bin/logserver
  if changed timestamp then restart