Changing timezone without reboot/restarting each service?
John Baldwin
jhb at freebsd.org
Tue Nov 11 19:28:48 UTC 2014
On Monday, November 10, 2014 7:36:19 am Lev Serebryakov wrote:
>
> After changing timezones in Russia (with replacing /etc/localtime
> with new file), I found that cron works in "old" timezone till
> restart. And all other services do the same, but cron is most obvious
> here :)
>
> Looks like libc reads timezone only once and it could not be chamged
> for process without restart (which leads to, effectivly, restart of
> whole server).
>
> Is it known problem? I think, it should be fixed somehow. I
> understand, that re-check timezone file on each time-related call
> could be expensive, though :(
In practice, timezone changes are very rare, so rechecking the file is
quite expensive to do. I think having to restart processes is fine for this.
--
John Baldwin
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