how to use ntp in busybox

[Rich Felker]

On Tue, Nov 24, 2015 at 10:40:51AM +0100, walter harms wrote:
> 
> 
> Am 23.11.2015 07:49, schrieb 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.
> > 
> 
> We use it busybox ntp for some time now, also with ntpclient since it is convenient.
> btw: ntpdate is removed from ntp some time ago.
> 
> Why do you need a runtime configuration at all ? you can always restart with a new setup,
> write a small wrapper and you can use a file again.

Indeed, this seems ideal. Proper use of ntp only makes extremely-small
adjustments to the clock rate, so stopping the ntp client for a
fraction of a second (or even several hours) and restarting it with
new configuration is not going to have any noticable effect on the
system clock.

Rich