chrony: Remove separately tracked example config
It was getting out of date, and we don't need to track it ourselves.
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Toyam Cox
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#######################################################################
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#
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# This is an example chrony configuration file. You should copy it to
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# /etc/chrony.conf after uncommenting and editing the options that you
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# want to enable. The more obscure options are not included. Refer
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# to the documentation for these.
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#
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# Copyright 2002 Richard P. Curnow
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of version 2 of the GNU General Public License as
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# published by the Free Software Foundation.
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#
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# This program is distributed in the hope that it will be useful, but
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# WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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# General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License along
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# with this program; if not, write to the Free Software Foundation, Inc.,
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# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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#
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#
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#######################################################################
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### COMMENTS
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# Any of the following lines are comments (you have a choice of
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# comment start character):
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# a comment
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% a comment
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! a comment
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; a comment
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#
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# Below, the '!' form is used for lines that you might want to
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# uncomment and edit to make your own chrony.conf file.
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#
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#######################################################################
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#######################################################################
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### SPECIFY YOUR NTP SERVERS
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# Most computers using chrony will send measurement requests to one or
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# more 'NTP servers'. You will probably find that your Internet Service
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# Provider or company have one or more NTP servers that you can specify.
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# Failing that, there are a lot of public NTP servers. There is a list
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# you can access at http://support.ntp.org/bin/view/Servers/WebHome or
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# you can use servers from the pool.ntp.org project.
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! server foo.example.net iburst
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! server bar.example.net iburst
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! server baz.example.net iburst
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pool pool.ntp.org iburst
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# However, for dial-up use you probably want these instead. The word
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# 'offline' means that the server is not visible at boot time. Use
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# chronyc's 'online' command to tell chronyd that these servers have
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# become visible after you go on-line.
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! server foo.example.net offline
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! server bar.example.net offline
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! server baz.example.net offline
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! pool pool.ntp.org offline
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# You may want to specify NTP 'peers' instead. If you run a network
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# with a lot of computers and want several computers running chrony to
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# have the 'front-line' interface to the public NTP servers, you can
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# 'peer' these machines together to increase robustness.
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! peer foo.example.net
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# There are other options to the 'server' and 'peer' directives that you
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# might want to use. For example, you can ignore measurements whose
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# round-trip-time is too large (indicating that the measurement is
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# probably useless, because you don't know which way the measurement
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# message got held up.) Consult the full documentation for details.
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#######################################################################
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### AVOIDING POTENTIALLY BOGUS CHANGES TO YOUR CLOCK
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#
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# To avoid changes being made to your computer's gain/loss compensation
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# when the measurement history is too erratic, you might want to enable
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# one of the following lines. The first seems good for dial-up (or
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# other high-latency connections like slow leased lines), the second
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# seems OK for a LAN environment.
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! maxupdateskew 100
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! maxupdateskew 5
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#######################################################################
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### FILENAMES ETC
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# Chrony likes to keep information about your computer's clock in files.
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# The 'driftfile' stores the computer's clock gain/loss rate in parts
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# per million. When chronyd starts, the system clock can be tuned
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# immediately so that it doesn't gain or lose any more time. You
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# generally want this, so it is uncommented.
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driftfile /var/db/chrony/drift
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# If you want to use the program called chronyc to configure aspects of
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# chronyd's operation once it is running (e.g. tell it the Internet link
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# has gone up or down), you need a password. This is stored in the
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# following keys file. (You also need keys to support authenticated NTP
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# exchanges between cooperating machines.) Again, this option is
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# assumed by default.
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keyfile /var/db/chrony/keys
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# Tell chronyd which numbered key in the file is used as the password
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# for chronyc. (You can pick any integer up to 2**32-1. '1' is just a
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# default. Using another value will _NOT_ increase security.)
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commandkey 1
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# With this directive a random password will be generated automatically.
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generatecommandkey
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# chronyd can save the measurement history for the servers to files when
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# it it exits. This is useful in 2 situations:
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#
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# 1. On Linux, if you stop chronyd and restart it with '-r' (e.g. after
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# an upgrade), the old measurements will still be relevant when chronyd
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# is restarted. This will reduce the time needed to get accurate
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# gain/loss measurements, especially with a dial-up link.
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#
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# 2. Again on Linux, if you use the RTC support and start chronyd with
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# '-r -s' on bootup, measurements from the last boot will still be
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# useful (the real time clock is used to 'flywheel' chronyd between
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# boots).
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#
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# Enable these two options to use this.
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dumponexit
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dumpdir /var/db/chrony
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# chronyd writes its process ID to a file. If you try to start a second
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# copy of chronyd, it will detect that the process named in the file is
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# still running and bail out. If you want to change the path to the PID
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# file, uncomment this line and edit it. The default path is shown.
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! pidfile /var/run/chronyd.pid
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#######################################################################
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### INITIAL CLOCK CORRECTION
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# This option is useful to quickly correct the clock on start if it's
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# off by a large amount. The value '10' means that if the error is less
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# than 10 seconds, it will be gradually removed by speeding up or
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# slowing down your computer's clock until it is correct. If the error
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# is above 10 seconds, an immediate time jump will be applied to correct
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# it. The value '1' means the step is allowed only on the first update
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# of the clock. Some software can get upset if the system clock jumps
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# (especially backwards), so be careful!
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makestep 10 1
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#######################################################################
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### LOGGING
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# If you want to log information about the time measurements chronyd has
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# gathered, you might want to enable the following lines. You probably
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# only need this if you really enjoy looking at the logs, you want to
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# produce some graphs of your system's timekeeping performance, or you
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# need help in debugging a problem.
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! logdir /var/log/chrony
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! log measurements statistics tracking
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# If you have real time clock support enabled (see below), you might want
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# this line instead:
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! log measurements statistics tracking rtc
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#######################################################################
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### ACTING AS AN NTP SERVER
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# You might want the computer to be an NTP server for other computers.
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# e.g. you might be running chronyd on a dial-up machine that has a LAN
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# sitting behind it with several 'satellite' computers on it.
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#
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# By default, chronyd does not allow any clients to access it. You need
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# to explicitly enable access using 'allow' and 'deny' directives.
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#
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# e.g. to enable client access from the 192.168.*.* class B subnet,
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! allow 192.168/16
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# .. but disallow the 192.168.100.* subnet of that,
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! deny 192.168.100/24
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# You can have as many allow and deny directives as you need. The order
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# is unimportant.
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# If you want chronyd to act as an NTP broadcast server, enable and edit
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# (and maybe copy) the following line. This means that a broadcast
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# packet is sent to the address 192.168.1.255 every 60 seconds. The
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# address MUST correspond to the broadcast address of one of the network
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# interfaces on your machine. If you have multiple network interfaces,
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# add a broadcast line for each.
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! broadcast 60 192.168.1.255
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# If you want to present your computer's time for others to synchronise
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# with, even if you don't seem to be synchronised to any NTP servers
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# yourself, enable the following line. The value 10 may be varied
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# between 1 and 15. You should avoid small values because you will look
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# like a real NTP server. The value 10 means that you appear to be 10
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# NTP 'hops' away from an authoritative source (atomic clock, GPS
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# receiver, radio clock etc).
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! local stratum 10
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# Normally, chronyd will keep track of how many times each client
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# machine accesses it. The information can be accessed by the 'clients'
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# command of chronyc. You can disable this facility by uncommenting the
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# following line. This will save a bit of memory if you have many
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# clients.
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! noclientlog
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# The clientlog size is limited to 512KB by default. If you have many
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# clients, especially in many different subnets, you might want to
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# increase the limit.
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! clientloglimit 4194304
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#######################################################################
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### REPORTING BIG CLOCK CHANGES
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# Perhaps you want to know if chronyd suddenly detects any large error
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# in your computer's clock. This might indicate a fault or a problem
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# with the server(s) you are using, for example.
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#
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# The next option causes a message to be written to syslog when chronyd
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# has to correct an error above 0.5 seconds (you can use any amount you
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# like).
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! logchange 0.5
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# The next option will send email to the named person when chronyd has
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# to correct an error above 0.5 seconds. (If you need to send mail to
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# several people, you need to set up a mailing list or sendmail alias
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# for them and use the address of that.)
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! mailonchange wibble@foo.example.net 0.5
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#######################################################################
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### COMMAND ACCESS
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# The program chronyc is used to show the current operation of chronyd
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# and to change parts of its configuration whilst it is running.
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# By default chronyd binds to the loopback interface. Uncomment the
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# following lines to allow receiving command packets from remote hosts.
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! bindcmdaddress 0.0.0.0
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! bindcmdaddress ::
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# Normally, chronyd will only allow connections from chronyc on the same
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# machine as itself. This is for security. If you have a subnet
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# 192.168.*.* and you want to be able to use chronyc from any machine on
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# it, you could uncomment the following line. (Edit this to your own
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# situation.)
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! cmdallow 192.168/16
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# You can add as many 'cmdallow' and 'cmddeny' lines as you like. The
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# syntax and meaning is the same as for 'allow' and 'deny', except that
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# 'cmdallow' and 'cmddeny' control access to the chronyd's command port.
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# NOTE, even if the host where you run chronyc is granted access, you
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# still need a command key set up and you have to know the password to
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# put into chronyc to allow you to modify chronyd's parameters. By
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# default all you can do is view information about chronyd's operation.
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#######################################################################
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### REAL TIME CLOCK
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# chronyd can characterise the system's real-time clock. This is the
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# clock that keeps running when the power is turned off, so that the
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# machine knows the approximate time when it boots again. The error at
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# a particular epoch and gain/loss rate can be written to a file and
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# used later by chronyd when it is started with the '-s' option.
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#
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# You need to have 'enhanced RTC support' compiled into your Linux
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# kernel. (Note, these options apply only to Linux.)
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rtcfile /var/db/chrony/rtc
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# Your RTC can be set to keep Universal Coordinated Time (UTC) or local
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# time. (Local time means UTC +/- the effect of your timezone.) If you
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# use UTC, chronyd will function correctly even if the computer is off
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# at the epoch when you enter or leave summer time (aka daylight saving
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# time). However, if you dual boot your system with Microsoft Windows,
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# that will work better if your RTC maintains local time. You take your
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# pick!
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! rtconutc
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# By default chronyd assumes that the enhanced RTC device is accessed as
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# /dev/rtc. If it's accessed somewhere else on your system (e.g. you're
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# using devfs), uncomment and edit the following line.
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! rtcdevice /dev/misc/rtc
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#######################################################################
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### REAL TIME SCHEDULER
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# This directive tells chronyd to use the real-time FIFO scheduler with the
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# specified priority (which must be between 0 and 100). This should result
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# in reduced latency. You don't need it unless you really have a requirement
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# for extreme clock stability. Works only on Linux. Note that the "-P"
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# command-line switch will override this.
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! sched_priority 1
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#######################################################################
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### LOCKING CHRONYD INTO RAM
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# This directive tells chronyd to use the mlockall() syscall to lock itself
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# into RAM so that it will never be paged out. This should result in reduced
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# latency. You don't need it unless you really have a requirement
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# for extreme clock stability. Works only on Linux. Note that the "-m"
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# command-line switch will also enable this feature.
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! lock_all
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@ -1,7 +1,7 @@
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# Template file for 'chrony'
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pkgname=chrony
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version=3.2
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revision=2
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revision=3
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build_style=gnu-configure
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configure_args="--without-nss --enable-scfilter --with-sendmail=/usr/bin/sendmail"
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hostmakedepends="pkg-config"
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@ -26,7 +26,8 @@ alternatives="
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ntpd:ntpd:/etc/sv/chronyd"
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post_install() {
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vconf ${FILESDIR}/chrony.conf
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vconf examples/chrony.conf.example3 chrony.conf
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vsconf examples/chrony.conf.example1
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vsconf examples/chrony.conf.example2
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vsv chronyd
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rm -rf ${DESTDIR}/usr/share/doc
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}
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