Date: Wed, 6 Jan 2021 00:30:47 +0200 From: Andriy Gapon <avg@FreeBSD.org> To: Stefan Esser <se@freebsd.org>, Warner Losh <imp@bsdimp.com> Cc: FreeBSD Hackers <freebsd-hackers@freebsd.org>, Hal Murray <hmurray@megapathdsl.net> Subject: Re: How does the time zone info get updated? Message-ID: <358b8939-5ec9-e340-8b06-f362cae38fa0@FreeBSD.org> In-Reply-To: <02ebd386-a7fd-1816-72b6-3211f4bc69fb@freebsd.org> References: <20210105075109.A412C40605C@ip-64-139-1-69.sjc.megapath.net> <4e6721bc-e593-76b6-90f8-03d96486dc28@freebsd.org> <CANCZdfrsxY2-h4NmcnaC16Y_tdpQuxEjPCYgeMvdfqoz5AmzRw@mail.gmail.com> <47c37f75-e082-7a34-7eb6-3ee2a4ade395@freebsd.org> <CANCZdfqv670zxD2gb2q7HU%2B5D2wJeskuTDdmWPf5JyP_ZkLa6w@mail.gmail.com> <02ebd386-a7fd-1816-72b6-3211f4bc69fb@freebsd.org>
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On 2021-01-06 00:21, Stefan Esser wrote: > Am 05.01.21 um 21:36 schrieb Warner Losh: >> On Tue, Jan 5, 2021 at 12:51 PM Stefan Esser <se@freebsd.org >> <mailto:se@freebsd.org>> wrote: > [...] >> Yes, if only the leap-seconds are required, this helps get the time >> synchronized - but is quite different from timezone file updates. >> >> > So no TZ update outside an os upgrade, but the leap seconds file >> updates >> > at the speed of NIST... >> >> The OP did not ask for leap-second updates but for timezone files, >> if I understand his mail correctly. >> >> Yes. But I know him from another list I'm on and knew the back story. >> How does FreeBSD know about leap seconds and what mechanism does it >> use to keep up to date was the topic there. > > Well, then you answered the question sent to the other list, > which I have not seen and did not know about this context ... > > But Ed Maste has meanwhile answered the question he asked on > this list (as far as I understand it): > > -> "freebsd-update" applies the timezone changes and EN notes > are sent out to notify users of the availability of this update. > > And release users should follow-up on EN notes anyway and thus > should not miss the timezone updates. Also, another option (at least for me) is to replace timezone files from base with those from tzdata package. Port / package updates are more flexible / frequent. -- Andriy Gapon
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