1.30.1 [ntpd] - not able to query

[Denys Vlasenko]

On Mon, Jul 1, 2019 at 3:09 PM <vtolkm at googlemail.com> wrote:
>
> On 01/07/2019 12:51, Denys Vlasenko wrote:
> > On Sat, Jun 29, 2019 at 4:12 PM <vtolkm at googlemail.com> wrote:
> >> ntpd appears to be up and running/listening
> >>
> >> ss -tulpn | grep 123
> >> udp   UNCONN 0  0    *:123   *:*  users:(("ntpd",pid=7589,fd=3))
> >>
> >> However, querying the server appears not working, as if queries being
> >> refused and thus wondering what could be causing this, let alone
> >> resolving it?
> > Crank up log verbosity, it will tell you:
> >
> > $ ntpd --help
> > BusyBox v1.31.0 (2019-06-10 12:10:11 CEST) multi-call binary.
> >
> > Usage: ntpd [-dnqNwl] [-I IFACE] [-S PROG] [-k KEYFILE] [-p [keyno:N:]PEER]...
> >
> > NTP client/server
> >
> >     -d    Verbose (may be repeated)
> > ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
> >     -n    Do not daemonize
> >     -q    Quit after clock is set
> >     -N    Run at high priority
> >     -w    Do not set time (only query peers), implies -n
> >     -S PROG    Run PROG after stepping time, stratum change, and every 11 min
> >     -k FILE    Key file (ntp.keys compatible)
> >     -p [keyno:NUM:]PEER
> >         Obtain time from PEER (may be repeated)
> >         Use key NUM for authentication
> >     -l    Also run as server on port 123
> >     -I IFACE Bind server to IFACE, implies -l
>
> ran > /sbin/ntpd -nNlSddddp 1.openwrt.pool.ntp.org  < and then

In this form, "ddddp" is the PROG parameter of the -S option.
"1.openwrt.pool.ntp.org gets" ignored, as ntpd takes no args.
(I'll add code to abort if unexpectedly, args are given).
Try:
ntpd -nNldddd -p 1.openwrt.pool.ntp.org