[mythtvnz] Timesync via Sat.

[Nick Rout]

Noel & Di wrote:
>
>
> Andrew Ruthven wrote:
>
>> On Wed, 2007-05-30 at 08:38 +1200, David Zanetti wrote:
>>  
>>
>>> On Wed, 2007-05-30 at 08:23 +1200, Noel & Di wrote:
>>>
>>>   
>>>> Something to ponder. What would it take to make a script to hook 
>>>> the time out of the DVB-S stream instead of using a TCP-IP based 
>>>> webserver for time sync??  The STBs do this so it should be 
>>>> possible under MythTV, but I have no idea how to do this.
>>>>     
>>> You're after a tool called 'dvbdate', in Debian it's part of the
>>> dvb-utils package.
>>>
>>> Note that it's not *that* accurate, very much sub-GPS or even well
>>> sourced NTP. If you have a network connection, NTP is a better option.
>>>   
>>
>> Another option is dvbdate_ntp which provides the DVB sourced timestamp
>> as a NTP source.  Only useful if you're already use NTP, or want to use
>> NTP.
>>
>> Website:
>>  http://simon.arlott.org/sw/dvbdate_ntp/
>>
>> I've been meaning to wrap it up as a Debian package, but haven't got
>> around to it yet...
>>
>> Cheers!
>>
>>  
>>
> I am struggling to get my crontab entry to work
> After creating  a crontab.txt file of 0 * * * * /usr/bin/dvbdate --set
> and invoking
> crontab crontab.txt
> I get a message "unable to set time: Operation not permitted.
> What am I doing wrong??
>
setting time is a function that normally only root can perform.

Also dvbdate won't move the time by more than 1800 seconds unless you 
use --force.