'\" t .TH "SYSTEMD\-TIME\-WAIT\-SYNC\&.SERVICE" "8" "" "systemd 252" "systemd-time-wait-sync.service" .\" ----------------------------------------------------------------- .\" * Define some portability stuff .\" ----------------------------------------------------------------- .\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ .\" http://bugs.debian.org/507673 .\" http://lists.gnu.org/archive/html/groff/2009-02/msg00013.html .\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ .ie \n(.g .ds Aq \(aq .el .ds Aq ' .\" ----------------------------------------------------------------- .\" * set default formatting .\" ----------------------------------------------------------------- .\" disable hyphenation .nh .\" disable justification (adjust text to left margin only) .ad l .\" ----------------------------------------------------------------- .\" * MAIN CONTENT STARTS HERE * .\" ----------------------------------------------------------------- .SH "NAME" systemd-time-wait-sync.service, systemd-time-wait-sync \- Wait until kernel time is synchronized .SH "SYNOPSIS" .PP systemd\-time\-wait\-sync\&.service .PP /lib/systemd/systemd\-time\-wait\-sync .SH "DESCRIPTION" .PP systemd\-time\-wait\-sync is a system service that delays the start of units that are ordered after time\-sync\&.target (see \fBsystemd.special\fR(7) for details) until the system time has been synchronized with an accurate remote reference time source by systemd\-timesyncd\&.service\&. .PP systemd\-timesyncd\&.service notifies systemd\-time\-wait\-sync about successful synchronization\&. systemd\-time\-wait\-sync also tries to detect when the kernel marks the system clock as synchronized, but this detection is not reliable and is intended only as a fallback for compatibility with alternative NTP services that can be used to synchronize time (e\&.g\&., ntpd, chronyd)\&. .SH "FILES" .PP /run/systemd/timesync/synchronized .RS 4 The presence of this file indicates to this service that the system clock has been synchronized\&. .RE .SH "SEE ALSO" .PP \fBsystemd\fR(1), \fBsystemd.special\fR(7), \fBsystemd-timesyncd.service\fR(8),