[mythtv-users] When does nvram-wakeup run?

[Myth]

Ashley Bostock wrote:

>Idle timeout: mines set at 50 (this is the time myth will wait for
>while doing nothing before it shutsdown)
>
>Max wait for recording: mines set at 15 (means myth wont shutdown if
>another recording is scheduled within the next 15mins
>
>Startup before record: mines set at 120 (gives at least
>2mins to boot up before a recording)
>
>Wakeup time format:
>time_t
>
>Set wakeuptime command:
>sudo /usr/local/bin/nvram-wakeup -s $time
>
>Server halt command:
>sudo /sbin/shutdown -h 0
>
>
>  
>
Is the sudo necessary? Aren't these commands started by the backend 
which is running as root?