From 63854bcbb16e6b52edf966db428c4a1f049c3af5 Mon Sep 17 00:00:00 2001
From: Ludovic Courtès <ludo@gnu.org>
Date: Wed, 5 Nov 2014 10:13:43 +0100
Subject: services: Add NTP service.

* gnu/services/networking.scm (ntp-service): New procedure.
* doc/guix.texi (Networking Services): Document it.
---
 doc/guix.texi | 11 +++++++++++
 1 file changed, 11 insertions(+)

(limited to 'doc')

diff --git a/doc/guix.texi b/doc/guix.texi
index fbf5bac9b4..4a596bcbf3 100644
--- a/doc/guix.texi
+++ b/doc/guix.texi
@@ -3845,6 +3845,17 @@ Return a service that starts @var{interface} with address @var{ip}.  If
 gateway.
 @end deffn
 
+@deffn {Monadic Procedure} ntp-service [#:ntp @var{ntp}] @
+  [#:name-service @var{%ntp-servers}]
+Return a service that runs the daemon from @var{ntp}, the
+@uref{http://www.ntp.org, Network Time Protocol package}.  The daemon will
+keep the system clock synchronized with that of @var{servers}.
+@end deffn
+
+@defvr {Scheme Variable} %ntp-servers
+List of host names used as the default NTP servers.
+@end defvr
+
 @deffn {Monadic Procedure} tor-service [#:tor tor]
 Return a service to run the @uref{https://torproject.org,Tor} daemon.
 
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