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thetechprepper
67 lines
2.4 KiB
Plaintext
67 lines
2.4 KiB
Plaintext
# Welcome to the chrony configuration file. See chrony.conf(5) for more
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# information about usable directives.
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# Include configuration files found in /etc/chrony/conf.d.
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confdir /etc/chrony/conf.d
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# This will use (up to):
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# - 4 sources from ntp.ubuntu.com which some are ipv6 enabled
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# - 2 sources from 2.ubuntu.pool.ntp.org which is ipv6 enabled as well
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# - 1 source from [01].ubuntu.pool.ntp.org each (ipv4 only atm)
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# This means by default, up to 6 dual-stack and up to 2 additional IPv4-only
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# sources will be used.
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# At the same time it retains some protection against one of the entries being
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# down (compare to just using one of the lines). See (LP: #1754358) for the
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# discussion.
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#
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# About using servers from the NTP Pool Project in general see (LP: #104525).
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# Approved by Ubuntu Technical Board on 2011-02-08.
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# See http://www.pool.ntp.org/join.html for more information.
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pool ntp.ubuntu.com iburst maxsources 4
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pool 0.ubuntu.pool.ntp.org iburst maxsources 1
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pool 1.ubuntu.pool.ntp.org iburst maxsources 1
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pool 2.ubuntu.pool.ntp.org iburst maxsources 2
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# Use time sources from DHCP.
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sourcedir /run/chrony-dhcp
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# Use NTP sources found in /etc/chrony/sources.d.
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sourcedir /etc/chrony/sources.d
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# This directive specify the location of the file containing ID/key pairs for
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# NTP authentication.
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keyfile /etc/chrony/chrony.keys
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# This directive specify the file into which chronyd will store the rate
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# information.
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driftfile /var/lib/chrony/chrony.drift
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# Save NTS keys and cookies.
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ntsdumpdir /var/lib/chrony
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# Uncomment the following line to turn logging on.
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#log tracking measurements statistics
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# Log files location.
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logdir /var/log/chrony
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# Stop bad estimates upsetting machine clock.
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maxupdateskew 100.0
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# This directive enables kernel synchronisation (every 11 minutes) of the
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# real-time clock. Note that it can’t be used along with the 'rtcfile' directive.
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rtcsync
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# Step the system clock instead of slewing it if the adjustment is larger than
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# one second, but only in the first three clock updates.
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makestep 1 3
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# Get TAI-UTC offset and leap seconds from the system tz database.
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# This directive must be commented out when using time sources serving
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# leap-smeared time.
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leapsectz right/UTC
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# ET: Enable NMEA sentences from GPS as a time source. Allow for a small
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# offset delay since PPS is not used.
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refclock SHM 0 refid NMEA poll 4 precision 1e-1 offset 0.0 delay 0.2
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