check process freeradius with pidfile /var/run/radiusd/radiusd.pid
  start program = "/etc/init.d/radiusd start" 
  stop program  = "/etc/init.d/radiusd stop"
  if cpu > 70% for 2 cycles then alert
  if cpu > 85% for 5 cycles then restart
  if totalmem > 1024.0 MB for 5 cycles then restart
  if children > 256 then restart
  if 30 restarts within 50 cycles then timeout