TIMEDATECTL(1)                    timedatectl                   TIMEDATECTL(1)

NAME
       timedatectl - <?><?><?><?><?><?><?><?><?><?>

SYNOPSIS
       timedatectl [OPTIONS...] {COMMAND}

<?><?>
       timedatectl <?><?><?><?><?><?><?><?> <?><?><?><?><?><?><?><?><?><?>

       <?><?><?><?> systemd-firstboot(1)
       <?><?><?><?><?><?>(<?><?><?><?>)<?><?><?><?><?><?><?><?><?><?><?>

<?><?>
       <?><?><?><?><?><?><?><?><?><?><?><?><?>

       --no-ask-password
           <?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?>

       --adjust-system-clock
           <?><?><?> set-local-rtc <?><?><?><?> <?><?><?><?><?><?><?><?>
           <?><?><?><?><?>RTC<?><?><?><?><?><?><?><?><?><?>
           <?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?>RTC<?><?><?>

       -H, --host=
           <?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?>(hostname)<?>
           <?><?><?><?><?> "username@hostname" <?><?><?> hostname
           <?><?><?><?><?><?><?><?><?><?>(<?><?><?><?><?>)<?> <?><?><?><?><?>
           "hostname:container" <?><?><?><?>
           <?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?>
           <?><?><?><?><?>SSH<?><?><?><?><?><?><?><?><?><?><?> <?><?><?><?>
           machinectl -H HOST
           <?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?>

       -M, --machine=
           <?><?><?><?><?><?><?><?><?><?><?>
           <?><?><?><?><?><?><?><?><?><?><?><?>

       -h, --help
           <?><?><?><?><?><?><?><?><?><?><?><?><?>

       --version
           <?><?><?><?><?><?><?><?><?><?><?><?><?>

       --no-pager
           <?><?><?><?><?><?><?><?><?><?><?>(pipe)<?><?><?><?><?><?>

       <?><?><?><?><?><?><?><?><?><?>

       status
           <?><?><?><?><?><?><?>RTC<?><?><?><?><?><?>
           <?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?>
           <?><?><?><?><?>"<?><?><?><?><?><?><?><?><?><?><?>"<?><?><?><?><?>
           systemd-timesyncd.service <?><?><?><?><?><?>
           <?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?>
           <?><?><?><?><?><?><?>

       set-time [TIME]
           <?><?><?><?><?><?><?><?><?><?><?><?><?> <?><?><?><?><?>RTC<?><?><?>
           [TIME] <?><?><?><?><?> "2012-10-30 18:17:16"<?><?><?><?><?><?>

       set-timezone [TIMEZONE]
           <?><?><?><?><?><?><?><?><?><?><?><?> /etc/localtime
           <?><?><?><?><?><?><?> <?><?><?><?><?><?> list-timezones
           <?><?><?><?><?><?><?><?><?><?><?> <?><?>RTC<?><?><?><?><?><?><?><?>
           <?><?><?><?><?><?><?><?><?>RTC<?><?><?> <?><?> localtime(5)
           <?><?><?>

       list-timezones
           <?><?><?><?><?><?><?><?><?><?><?><?><?><?>
           <?><?><?><?><?><?><?><?><?><?> set-timezone <?><?><?><?><?><?>

       set-local-rtc [BOOL]
           <?><?> "no" <?><?><?>RTC<?><?><?>UTC<?><?><?> <?><?> "yes"
           <?><?><?>RTC<?><?><?><?><?><?><?><?>
           <?><?><?><?><?><?><?><?>RTC<?><?><?>UTC<?><?><?>
           <?><?><?><?><?>RTC<?><?><?><?><?><?><?><?>
           <?><?><?><?><?><?><?><?><?><?><?><?>
           <?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?>
           <?><?><?><?><?><?><?><?><?><?> --adjust-system-clock <?><?><?>
           <?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?>RTC<?><?><?>
           <?><?><?><?><?><?><?> /etc/adjtime
           <?><?><?><?><?><?><?><?><?><?><?> hwclock(8) <?><?><?>

       set-ntp [BOOL]
           <?><?><?><?><?><?><?><?><?><?><?> <?><?> "yes" <?><?><?><?><?><?>
           systemd-timesyncd.service <?><?><?> <?><?> "no"
           <?><?><?><?><?><?><?><?> <?><?><?><?><?><?><?>
           systemd-timesyncd.service
           <?><?><?><?><?><?><?><?><?><?><?><?><?><?><?> <?><?><?><?><?><?><?>
           "yes" <?><?><?><?><?> systemctl enable --now
           systemd-timesyncd.service <?><?><?> <?><?><?> "no"
           <?><?><?><?><?><?> systemctl disable --now
           systemd-timesyncd.service <?><?><?>

           <?><?><?><?><?><?><?><?><?><?><?><?><?> systemd-timesyncd.service
           <?><?><?> <?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?>
           <?><?><?><?><?><?><?><?> systemd-timesyncd.service
           <?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?>
           <?><?><?><?><?><?><?><?>RTC<?><?><?><?><?><?><?><?><?>"<?><?><?><?>"<?>
           <?><?> systemd-timesyncd.service(8) <?><?><?>

<?><?><?><?>
       <?><?><?><?> 0 <?><?><?><?><?> <?><?><?><?><?><?><?><?><?><?><?><?><?>

<?><?><?><?>
       $SYSTEMD_PAGER
           <?><?><?><?><?><?><?><?><?><?><?><?> --no-pager
           <?><?><?><?><?><?><?> <?><?><?><?><?><?> $PAGER <?><?><?>
           <?><?><?><?><?><?><?><?><?><?> "cat" <?><?><?><?><?> --no-pager
           <?><?><?>

       $SYSTEMD_LESS
           <?><?><?><?> <?><?><?><?><?> less <?><?><?><?><?><?><?><?>
           ("FRSXMK")<?>

<?><?>
       <?><?><?><?><?><?><?><?><?>

           $ timedatectl
                 Local time: Di 2015-04-07 16:26:56 CEST
             Universal time: Di 2015-04-07 14:26:56 UTC
                   RTC time: Di 2015-04-07 14:26:56
                  Time zone: Europe/Berlin (CEST, +0200)
            Network time on: yes
           NTP synchronized: yes
            RTC in local TZ: no

       <?><?><?><?><?><?><?><?><?><?>

           $ 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 systemd-timesyncd.service
           <?> systemd-timesyncd.service - Network Time Synchronization
              Loaded: loaded (/usr/lib/systemd/system/systemd-timesyncd.service; enabled)
              Active: active (running) since Mo 2015-03-30 14:20:38 CEST; 5s ago
                Docs: man:systemd-timesyncd.service(8)
            Main PID: 595 (systemd-timesyn)
              Status: "Using Time Server 216.239.38.15:123 (time4.google.com)."
              CGroup: /system.slice/systemd-timesyncd.service
                      <?><?>595 /usr/lib/systemd/systemd-timesyncd
           ...


<?><?>
       systemd(1), hwclock(8), date(1), localtime(5), systemctl(1), systemd-
       timedated.service(8), systemd-timesyncd.service(8), systemd-
       firstboot(1)

<?>
       <?><?><?><?><?><?><?><?><?> man <?><?><?><?><?><?><?><?>

       <?><?><?><?><?><?><?><?>
       <?><?><?><?><?><?><?>http://www.jinbuguo.com
       <?><?> man <?><?><?><?><?><?>https://github.com/man-pages-zh/manpages-
       zh

systemd 231                                                     TIMEDATECTL(1)