CALC_TICKADJ(1calc_tickadjmdoc) User CALC_TICKADJ(1calc_tickadjmdoc) NAME calc_tickadj -- Calculates optimal value for tick given ntp drift file. SYNOPSIS calc_tickadj [-flags] [-flag [value]] [--option-name[[=| ]value]] All arguments must be options. DESCRIPTION The calc_tickadj script uses provided ntp drift file to generate optimal tick value. Gener- ally, ntpd can do better job if the drift value is the smallest possible number. The example output of $ ./calc_tickadj 81.699 (drift) 9999 usec; 9999779 nsec $ cat /etc/ntp/drift -23.159 means the following. If tick on that box is 10,000, by making the value 9999 we'll shift the box from its current drift of -23.159 to a drift of 81.699, and in doing so we'll speed the clock up a little every second instead of slowing the clock down a little. If 'tick' on that box is 10,000,000 then by setting it to 9999779 the drift value will be somewhere around 0.0. calc_tickadj tries to determine the the tick value by using tickadj program from ntp pack- age. If this doesn't work you can specify current tick manually on command line. OPTIONS -d string, --drift-file=string Ntp drift file to use. The default string for this option is: /etc/ntp/drift Use the specified drift file for calculations -t number, --tick=number Tick value of this host. This option takes an integer number as its argument. The current tick which to adjustment will be calculated -?, --help Display usage information and exit. -!, --more-help Pass the extended usage information through a pager. -v [{v|c|n --version [{v|c|n}]}] Output version of program and exit. The default mode is `v', a simple version. The `c' mode will print copyright information and `n' will print the full copyright no- tice. EXIT STATUS One of the following exit values will be returned: 0 (EXIT_SUCCESS) Successful program execution. 1 (EXIT_FAILURE) The operation failed or the command syntax was not valid. 70 (EX_SOFTWARE) libopts had an internal operational error. Please report it to auto- gen-users AT lists.net. Thank you. NOTES This manual page was AutoGen-erated from the calc_tickadj option definitions. BSD June 23 2020 BSD
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