sysctl deadmantimer

[Norbert Koch]

> 	In the BSD/OS there is a kernel countdown counter that can be used
> to reboot the machine in case of lock. It´s called deadmantimer.
> 	I used to put a cron entry to preset this counter every 3 min, so
> if it goes to zero the server is rebooted.
> 	In the past it save me some times.
>
> 	Is there anything like this in Freebsd?

Have a look at watchdogd(8).
Only available under 5X and above.

Norbert