Re: Raspian ntp manual invocation?

From	conover@rahul.net (John Conover)
Newsgroups	linux.debian.user
Subject	Re: Raspian ntp manual invocation?
Date	2019-08-08 21:30 +0200
Message-ID	<ysWgO-R5-9@gated-at.bofh.it> (permalink)
References	<ysVb3-cT-9@gated-at.bofh.it> <ysVb3-cT-7@gated-at.bofh.it> <ysVuq-jO-5@gated-at.bofh.it>
Organization	linux.* mail to news gateway

Show all headers | View raw

Thanks Sven.

timedatectl(1) yields:

          Local time: Thu 2019-08-08 12:16:51 PDT
      Universal time: Thu 2019-08-08 19:16:51 UTC
            RTC time: n/a
           Time zone: America/Los_Angeles (PDT, -0700)
     Network time on: yes
    NTP synchronized: yes
     RTC in local TZ: no

Does this mean ntp(1) is running periodically?

    Thanks,

    John

BTW, the reason for the question is that the RPi documentation claims
ntp(1) is run ONLY AT BOOT to set the system time. I have a 3b+ that
has been running many weeks with less than a 100 mS system clock
error, implying that ntp(1) is run periodically. Hardly possible with
commodity timing components.

Sven Joachim writes:
> 
> Or systemd-timesyncd, which is shipped with systemd since version 213
> and enabled by default in Debian since version 219-1.
> 

-- 

John Conover, conover@rahul.net, http://www.johncon.com/

Thread

Raspian ntp manual invocation? conover@rahul.net (John Conover) - 2019-08-08 20:20 +0200
  Re: Raspian ntp manual invocation? Gene Heskett <gheskett@shentel.net> - 2019-08-08 20:20 +0200
    Re: Raspian ntp manual invocation? Sven Joachim <svenjoac@gmx.de> - 2019-08-08 20:40 +0200
      Re: Raspian ntp manual invocation? conover@rahul.net (John Conover) - 2019-08-08 21:30 +0200
        Re: Raspian ntp manual invocation? Greg Wooledge <wooledg@eeg.ccf.org> - 2019-08-08 21:40 +0200
      Re: Raspian ntp manual invocation? "Martin McCormick" <martin.m@suddenlink.net> - 2019-08-08 21:50 +0200

csiph-web