X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?a=blobdiff_plain;f=man%2Ftimedatectl.xml;h=f3edb8d61add36691cf9edc99258f46c30fa001f;hb=75e52a16f9ef476f1d18ec6d9c84e00149b80d03;hp=9065577692655c9195e6497dd36a6530d5442703;hpb=dbc4fbae58e39cb0d33738f0a4d1e74511ed1fb5;p=elogind.git
diff --git a/man/timedatectl.xml b/man/timedatectl.xml
index 906557769..f3edb8d61 100644
--- a/man/timedatectl.xml
+++ b/man/timedatectl.xml
@@ -21,7 +21,8 @@
along with systemd; If not, see .
-->
-
+timedatectl
@@ -59,6 +60,11 @@
timedatectl may be used to
query and change the system clock and its
settings.
+
+ Use
+ systemd-firstboot1
+ to initialize the system time zone for mounted (but not
+ booted) system images.
@@ -67,60 +73,33 @@
The following options are understood:
-
-
-
-
- Prints a short help
- text and exits.
-
-
-
-
-
- Prints a short version
- string and exits.
-
-
-
-
-
- Do not pipe output into a
- pager.
-
-
- Don't query the user
+ Do not query the user
for authentication for privileged
operations.
-
-
-
- Execute operation
- remotely. Specify a hostname, or
- username and hostname separated by @,
- to connect to. This will use SSH to
- talk to a remote
- system.
-
-
-
-
+ If
set-local-rtc is
- invoked and this option is passed the
+ invoked and this option is passed, the
system clock is synchronized from the
RTC again, taking the new setting into
- account. Otherwise the RTC is
- synchonized from the system
+ account. Otherwise, the RTC is
+ synchronized from the system
clock.
+
+
+
+
+
+
+ The following commands are understood:
@@ -150,10 +129,10 @@
Set the system time
zone to the specified value. Available
- time zones my be listed with
+ timezones can be listed with
list-timezones. If
the RTC is configured to be in the
- local time this will also update the
+ local time, this will also update the
RTC time. This call will alter the
/etc/localtime
symlink. See
@@ -167,7 +146,7 @@
List available time
zones, one per line. Entries from the
- list may selected as the system
+ list can be set as the system
timezone with
set-timezone.
@@ -176,25 +155,25 @@
set-local-rtc [BOOL]Takes a boolean
- argument. If 0 the
+ argument. If 0, the
system is configured to maintain the
- RTC in universal time, if
- 1 it will maintain
+ RTC in universal time. If
+ 1, it will maintain
the RTC in local time instead. Note
that maintaining the RTC in the local
- timezone is is not fully supported and
+ timezone is not fully supported and
will create various problems with time
zone changes and daylight saving
- adjustments. If at all possible use
- RTC in UTC. Note that invoking this
+ adjustments. If at all possible, keep the
+ RTC in UTC mode. Note that invoking this
will also synchronize the RTC from the
system clock, unless
- is
+ is
passed (see above). This command will
change the 3rd line of
/etc/adjtime, as
documented in
- hwclock8.
+ hwclock8.
@@ -214,35 +193,60 @@
Exit status
- On success 0 is returned, a non-zero failure
+ On success, 0 is returned, a non-zero failure
code otherwise.
+
+
- Environment
+ Examples
+ Show current settings:
+ $ 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 â CET, DST became inactive
+ Sun, 2012-10-28 02:59:59 CEST
+ Sun, 2012-10-28 02:00:00 CET
+ Next DST change: CET â 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
+
-
-
- $SYSTEMD_PAGER
- Pager to use when
- is not given;
- overrides $PAGER. Setting
- this to an empty string or the value
- cat is equivalent to passing
- .
-
-
+ Enable an NTP daemon (chronyd):
+ $ 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 ===
+
+ $ 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
+...
+ See Alsosystemd1,
- hwclock8,
- date1,
+ hwclock8,
+ date1,
localtime5,
systemctl1,
- systemd-timedated.service8
+ systemd-timedated.service8,
+ systemd-firstboot1