1SYSTEMD-TIMEDATED.SERVICE(8)systemd-timedated.servicSeYSTEMD-TIMEDATED.SERVICE(8)
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6 systemd-timedated.service, systemd-timedated - Time and date bus
7 mechanism
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10 systemd-timedated.service
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12 /usr/lib/systemd/systemd-timedated
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15 systemd-timedated is a system service that may be used as a mechanism
16 to change the system clock and timezone, as well as to enable/disable
17 NTP time synchronization. systemd-timedated is automatically activated
18 on request and terminates itself when it is unused.
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20 The tool timedatectl(1) is a command line client to this service.
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22 See the developer documentation[1] for information about the APIs
23 systemd-timedated provides.
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26 $SYSTEMD_TIMEDATED_NTP_SERVICES
27 Colon-separated list of unit names of NTP client services. If not
28 set, then systemd-timesyncd.service(8) is used. See the entries of
29 NTP related commands of timedatectl(1) for details about this.
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31 Example:
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33 SYSTEMD_TIMEDATED_NTP_SERVICES=ntpd.service:chronyd.service:systemd-timesyncd.service
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37 systemd(1), timedatectl(1), localtime(5), hwclock(8), systemd-
38 timesyncd(8)
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41 1. developer documentation
42 https://www.freedesktop.org/wiki/Software/systemd/timedated
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46systemd 241 SYSTEMD-TIMEDATED.SERVICE(8)