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Old 08-13-2014, 08:23 AM   #1
andrewm659
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Cool Timezone change in Fedora


I'm trying to figure out how to use chronyc in fedora 20. I'm new to this and done some searching but can't seem to come up with a definitive answer. How do you change the timezone from the CLI? Is it similar to doing NTP?


Thanks!
 
Old 08-14-2014, 12:32 PM   #2
bigrigdriver
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How to set your timezone in several GNU/Linux distros (Red Hat based, Debian based, etc.).

NTP is used with a network connection which is always up, and chronyc/chronyd are used for intermittent network connections to keep the system clock synchronized with an attomic clock.
 
Old 08-14-2014, 12:40 PM   #3
sundialsvcs
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Actually, the strategy used by Linux/Unix is comparatively simple:
  • The hardware clock is normally set to "UTC (GMT)," and kept there by a time-server linked to NTP.
  • The /etc/localtime file is a symbolic link to a time-zone information file, located elsewhere, which corresponds to "the local time." This symbolic-link, therefore, is very easily changed.
  • As you can see, the system's master-clock value is never ambiguous and does not change. What can change, courtesy of the time-zone file, is the present interpretation of it. All other possible interpretations of that same time-value, throughout the world, are therefore "equally at-hand," and will always correspond.
  • Time-zone files also take care of things like "daylight-savings (sun ...) time, or not."
 
Old 08-14-2014, 08:22 PM   #4
Doug G
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You can use tzselect and hwclock from the command line
 
  


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