base-installer: NTP daemon should be installed on any system missing an RTC

[Ben Hutchings]

On Sat, 2015-05-09 at 03:32 +0200, Michael Biebl wrote:
> On Sun, 03 May 2015 17:23:30 +0100 Ben Hutchings <ben at decadent.org.uk>
> wrote:
> > Control: reassign -1 clock-setup
> > Control: retitle -1 Missing support for systems without battery-backed RTC
> > 
> > On Sun, 2015-05-03 at 17:40 +0200, Geert Stappers wrote:
> > > Debian installations on hardware with no (battery-backuped) RTC
> > > is likely an installation that hasn't network connection.
> > 
> > What makes you think that?
> > 
> > > So please do not push (too hard)
> > > for "you MUST allway known what time it is"
> > > 
> > > Make it possible to do installs on hardware without RTC
> > > and no access to a NTP server.
> > 
> > Of course this should still be supported.
> > 
> > > Installing fake-hwclock  https://packages.debian.org/stretch/fake-hwclock
> > > on the absence of the a RTC
> > >
> > > Avoiding filesystem checks when no RTC present would also be good.
> > > Simular as https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=767040
> > 
> > Good point.
> > 
> > I'm retitling this because we now have three small related changes
> > wanted in the installer:
> > 
> > 1. Install/enable NTP client
> > 2. Disable hwclock-save.service
> > 3. Disable e2fsck time check
> > 
> > I think these could all be done in clock-setup, so I'm reassigning to
> > that.
> 
> FWIW:
> http://anonscm.debian.org/cgit/pkg-systemd/systemd.git/commit/?h=experimental&id=929bece53261ddd2797d4f3518a05a88704c5b01

So what happens if another ntp daemon is packaged, or they move
executables into /usr/bin?

> http://anonscm.debian.org/cgit/pkg-systemd/systemd.git/commit/?h=experimental&id=5ea1b2bd1c57f9d3095252229c4ba1e50a7248d6
> 
> We enable timesyncd by default now and have dropped the
> hwclock-save.service in systemd for the systemd version targetted at
> stretch.
> 
> Is there anything left which needs to be done?

Point 3 still needs to be fixed; at least on systems not using
systemd-networkd the system clock will still be wrong when fsck runs.

Ben.

-- 
Ben Hutchings
Theory and practice are closer in theory than in practice.
                                - John Levine, moderator of comp.compilers
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