[ntp:questions] Finding out where ntpd gets its ntp.conf file

Joseph Gwinn joegwinn at comcast.net
Sat Sep 6 23:11:34 UTC 2008


In article <8Mhwk.629$yS5.294 at edtnps83>,
 Unruh <unruh-spam at physics.ubc.ca> wrote:

> Joseph Gwinn <joegwinn at comcast.net> writes:
> 
> >In article <slrngbvrsh.rsh.kostecke at stasis.kostecke.net>,
> > Steve Kostecke <kostecke at ntp.org> wrote:
> 
> >> On 2008-09-03, Joseph Gwinn <joegwinn at comcast.net> wrote:
> >> 
> >> > Read the "service" shell script.  It appears to get its file paths from 
> >> > environment variables named after the thing being started and stopped 
> >> > and accessible only in the root environment; this bit of RHEL-specific 
> >> > structure is being chased down.  (Does anyone know where this is 
> >> > documented?)
> >> 
> >> On Linux OSes init scripts are typically found in /etc/init.d/ or
> >> /etc/rc.d/init.d/ Look for one named ntp (or something containing ntp).
> 
> >Yes, and that's where strace led me, where I found a script called ntpd. 
> >How the service script interacts with this ntpd script isn't clear.  
> >Environment variables seem to be implicated, but a listing of 
> >environment variables is not helpful.  Next week I'll digest it all.
> 
> service simply runs the program listed as its argument from the /etc/init.d
> directory. 
> 
> Ie, service ntpd start is the same as 
> /etc/init.d/ntpd start

True, but there seems to be more to it than that.  Next week.

Joe Gwinn




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