how to use ntp in busybox

[Wei, Catherine]

Hi:
     I've checked the ntpclient, and found that it can monitor the time 
difference between server and local machine, but seems it cannot support 
runtime configuration as Michael D. Setzer II said.

Best regards.
Catherine

On 11/23/2015 01:11 PM, Michael D. Setzer II wrote:
> Not sure if this would do what you want, but I've used it with busybox setup.
>
> http://doolittle.icarus.com/ntpclient/
>
> On 22 Nov 2015 at 20:50, Isaac Dunham wrote:
>
> Date sent:      	Sun, 22 Nov 2015 20:50:29 -0800
> From:           	Isaac Dunham <ibid.ag at gmail.com>
> To:             	"Wei, Catherine" <Catherine.Wei at arris.com>
> Subject:        	Re: how to use ntp in busybox
> Copies to:      	"busybox at busybox.net" <busybox at busybox.net>
>
>> On Mon, Nov 23, 2015 at 01:40:29AM +0000, Wei, Catherine wrote:
>>> Hi:
>>>       In our system, we're considering if we could use ntp in busybox to
>>> replace the ntp supported by ntp.org, which has large footprint, so I'm
>>> doing some investigation about ntp in busybox recently but I met some
>>> problems. I found that there's only ntpd in busybox, no ntpdate and ntpq.
>>>       In our current system, we have a ntp wrapper to control ntp
>>> behavior based on our requirement. We use ntpdate to sync time when
>>> system is started, and we use ntpq to monitor and control the ntpd
>>> behavior. For example:
>>>        1. After ntpdate synced time, use ntpq to enable ntp.
>>>        2. When we add our own ntp server to the server list, we will use
>>> something like this "ntpq -c "keyid id" -c "passwd pwd" -c ":config
>>> server 10.172.1.1 minpoll 3 maxpoll 4 burst"
>>>
>>>        I don't know if there's some tools related to ntpq in busybox, so
>>> we can remove the current ntp in our system and use ntpd in busybox.
>>> Appreciate your quick response, thank you very much.
>>>
>> Busybox ntp does not support any runtime configuration; ntpq corresponds
>> to unimplemented functionality.
>>
>> ntpdate is not provided, but equivalent behavior can be obtained with
>> ntpd -q -p PEER [-p PEER2 ...]
>>
>> OpenNTPD, from which Busybox ntpd came, provides an "ntpctl" command,
>> but it's misnamed: it only displays information from ntpd.
>>
>> You might get further looking at NTPsec.
>>
>>
>> HTH,
>> Isaac Dunham
>> _______________________________________________
>> busybox mailing list
>> busybox at busybox.net
>> http://lists.busybox.net/mailman/listinfo/busybox
>
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