.\"{{{ Title Emacs major mode should be: -*- nroff -*- .TH ADJTIMEXCONFIG 8 "December 16, 2015" .\"}}} .\"{{{ Name .SH NAME adjtimexconfig \- find kernel clock variables and save for reboots .\"}}} .\"{{{ Synopsis .SH SYNOPSIS .ad l .\" commands only .B /usr/sbin/adjtimexconfig .\"}}} .\"{{{ Config .SH DESCRIPTION This script uses \fBadjtimex\fP(8) to find values for the kernel variables \fBtick\fP and \fBfrequency\fP that will make the system clock approximately agree with the CMOS clock. It then saves these values in the configuration file \fI/etc/default/adjtimex\fP so the settings will be restored on every boot, when \fI/etc/init.d/adjtimex\fP, or systemd adjtimex.service, runs. .P \fPadjtimexconfig\fP uses the drift rate recorded in \fI/etc/adjtime\fP to adjust the times it reads from the CMOS clock. If you find the CMOS clock has a systematic drift, read the \fBclock\fP(8) or \fBhwclock\fP(8) manual page, modify \fI/etc/adjtime\fP as required, and run \fBadjtimexconfig\fP again. .SH AUTHOR Michael Meskes . .\"}}} .\"{{{ .SH FILES .nf \fI/etc/default/adjtimex\fP \fI/etc/init.d/adjtimex\fP \fI/lib/systemd/system/adjtimex.service\fP .fi .\"}}} .\"{{{ See also .SH "SEE ALSO" .BR adjtimex "(8), "clock "(8), "hwclock "(8), "ntpd (8) .\"}}}