[Bug 1278359] Re: ntpdate call frequency

[Ross Vandegrift]

If ntpd is running, ntpdate should never run - doing so causes clock
jumps.  In Trusty, /etc/network/if-up.d/ntpdate actually stops ntpd so
ntpdate can run.  Debian jessie doesn't do this, so if this was from
upstream, it's been fixed.


>From /etc/network/if-up.d/ntpdate:
-----
if [ -e /usr/sbin/openntpd ]; then
    service='openntpd'
else
    service='ntp'
fi

invoke-rc.d --quiet $service stop >/dev/null 2>&1 || true

/usr/sbin/ntpdate-debian -s $OPTS 2>/dev/null || :

invoke-rc.d --quiet $service start >/dev/null 2>&1 || true
------


Workaround:
sudo mkdir /etc/network/if-up.d.disabled
sudo dpkg-divert --divert /etc/network/if-up.d.disabled/ntpdate --rename /etc/network/if-up.d/ntpdate

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https://bugs.launchpad.net/bugs/1278359

Title:
  ntpdate call frequency

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