Re: time question, as in ntp?

[Dan Purgert]

On Nov 29, 2023, gene heskett wrote:
> On 11/29/23 17:52, Dan Purgert wrote:
> > On Nov 29, 2023, gene heskett wrote:
> > > On 11/29/23 14:03, Greg Wooledge wrote:
> > > > On Wed, Nov 29, 2023 at 01:17:18PM -0500, Dan Purgert wrote:
> > > > > 'ntpd' I think (or is it systemd-timed or something like that 
> > > > > nowadays?)
> > > > 
> > > > Gene's system is running some derivative of buster (Debian 10).
> > > No I am not, Greg, been running bookworm for almost a year on this 
> > > machine.
> > > It is the 3d printer, a QIDI X-MAX 3,  which is running armbian buster 
> > > that
> > > I am trying to fix. At least enough to set its clock, which is about a 
> > > year
> > > out of date ATM.
> > > 
> > > Just now did a powerdown which restarts it at:Sun 01 Jan 2023 06:02:14 AM
> > > PST
> > > 
> > > I have added some of my hosts file into its hosts file, and I can ping 
> > > back
> > > and forth, and a valid ipv4 nameserver to resolv.conf and ping is working
> > > locally. But I can't find where its setting its default ipv4 address to 
> > > the
> > > avahi bs, even with grep -r.
> > 
> > Avahi BS?  APIPA ("A"utomatic "P"rivate "IP" "A"ddressing) is not
> > avahi/mDNS (aka Bonjour / Zeroconf).
> > 
> > Your DHCP client giving you an APIPA address is indicative of broken
> > DHCP, and the fix is either:
> > 
> >    A. Fix your broken DHCP
> >    B. Set the machine up with a static IP address
> > 
> > I'm kind of surprised that an Armbian box doesn't have a hwclock that
> > you can set the proper time on, to survive reboots (but anyway, I
> > imagine once you get the machine running with a valid IP address for
> > your network, it'll be able to use whatever time-sync service armbian
> > ships with (quick ddg search implies it ships with chrony installed /
> > setup as default).
> 
> I'll have to check that, but installing chrony here on this bookworm box
> will remove the systemd thing, which is present on the armbian buster

Leave the bookworm PC alone - the problem is specifically on your
armbian box or network in general. 

> installed on it.  ISTR I had the rpi4 setup on buster raspios plus my rt
> kernel, and that static entry IIRC was in /etc/network/interfaces, which I
> haven't tried yet.  Was that buster or did they have a better place.

/etc/network/interfaces is the standard place for configuring network
interfaces in Debian and derivatives (although Network Mangler may be
offered as a frontend)

> Tickled my memory, /etc/dhcpcd.conf would appear to be the place. But I'll
> have to compose 100% of the option "static".

"Static" IP addressing is not handled in dhcp client configs.

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