chiark / gitweb /
core: reuse the same /tmp, /var/tmp and inaccessible dir
[elogind.git] / man / timedatectl.xml
index 11a342d4dd5fa57f4c502e802a033f1b5dee42ec..faccc5086df95ca0892b4e219ea89fd0bba1c658 100644 (file)
@@ -21,7 +21,7 @@
   along with systemd; If not, see <http://www.gnu.org/licenses/>.
 -->
 
-<refentry id="timedatectl">
+<refentry id="timedatectl" conditional='ENABLE_TIMEDATED'>
 
         <refentryinfo>
                 <title>timedatectl</title>
@@ -68,8 +68,8 @@
 
                 <variablelist>
                         <varlistentry>
-                                <term><option>--help</option></term>
                                 <term><option>-h</option></term>
+                                <term><option>--help</option></term>
 
                                 <listitem><para>Prints a short help
                                 text and exits.</para></listitem>
                                 <term><option>-H</option></term>
                                 <term><option>--host</option></term>
 
-                                <listitem><para>Execute operation
+                                <listitem><para>Execute the operation
                                 remotely. Specify a hostname, or
                                 username and hostname separated by @,
                                 to connect to. This will use SSH to
                                 system clock is synchronized from the
                                 RTC again, taking the new setting into
                                 account. Otherwise the RTC is
-                                synchonized from the system
+                                synchronized from the system
                                 clock.</para></listitem>
                         </varlistentry>
                 </variablelist>
 
                                 <listitem><para>Set the system time
                                 zone to the specified value. Available
-                                time zones my be listed with
+                                time zones can be listed with
                                 <command>list-timezones</command>. If
                                 the RTC is configured to be in the
                                 local time this will also update the
 
                                 <listitem><para>List available time
                                 zones, one per line. Entries from the
-                                list may selected as the system
-                                timezone with
+                                list can be set as the system
+                                time zone with
                                 <command>set-timezone</command>.</para></listitem>
                         </varlistentry>
 
                                 <literal>1</literal> it will maintain
                                 the RTC in local time instead. Note
                                 that maintaining the RTC in the local
-                                timezone is is not fully supported and
+                                time zone is not fully supported and
                                 will create various problems with time
                                 zone changes and daylight saving
                                 adjustments. If at all possible use
         <refsect1>
                 <title>Environment</title>
 
-                <variablelist>
+                <variablelist class='environment-variables'>
                         <varlistentry>
                                 <term><varname>$SYSTEMD_PAGER</varname></term>
                                 <listitem><para>Pager to use when
                 </variablelist>
         </refsect1>
 
+        <refsect1>
+                <title>Examples</title>
+                <para>Show current settings:
+                <programlisting>
+$ timedatectl
+      Local time: Fri, 2012-11-02 09:26:46 CET
+  Universal time: Fri, 2012-11-02 08:26:46 UTC
+        RTC time: Fri, 2012-11-02 08:26:45
+        Timezone: Europe/Warsaw
+      UTC offset: +0100
+     NTP enabled: no
+NTP synchronized: no
+ RTC in local TZ: no
+      DST active: no
+ Last DST change: CEST → CET, DST became inactive
+                  Sun, 2012-10-28 02:59:59 CEST
+                  Sun, 2012-10-28 02:00:00 CET
+ Next DST change: CET → CEST, DST will become active
+                  the clock will jump one hour forward
+                  Sun, 2013-03-31 01:59:59 CET
+                  Sun, 2013-03-31 03:00:00 CEST
+                </programlisting>
+                </para>
+
+                <para>Enable an NTP daemon (chronyd):
+                <programlisting>
+$ timedatectl set-ntp true
+==== AUTHENTICATING FOR org.freedesktop.timedate1.set-ntp ===
+Authentication is required to control whether network time synchronization shall be enabled.
+Authenticating as: user
+Password: ********
+==== AUTHENTICATION COMPLETE ===
+                </programlisting>
+
+                <programlisting>
+$ systemctl status chronyd.service
+chronyd.service - NTP client/server
+          Loaded: loaded (/usr/lib/systemd/system/chronyd.service; enabled)
+          Active: active (running) since Fri, 2012-11-02 09:36:25 CET; 5s ago
+...
+                </programlisting>
+                </para>
+        </refsect1>
+
         <refsect1>
                 <title>See Also</title>
                 <para>