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Groups > linux.debian.user > #264029
| From | Dan Purgert <dan@djph.net> |
|---|---|
| Newsgroups | linux.debian.user |
| Subject | Re: time question, as in ntp? |
| Date | 2023-12-01 12:30 +0100 |
| Message-ID | <HG9Sy-alb1-5@gated-at.bofh.it> (permalink) |
| References | (5 earlier) <HG18B-adGt-1@gated-at.bofh.it> <HG24F-aeG3-1@gated-at.bofh.it> <HG2xH-af8U-3@gated-at.bofh.it> <HG9fP-akII-9@gated-at.bofh.it> <HG9pv-akM9-3@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
[Multipart message — attachments visible in raw view] - view raw
On Dec 01, 2023, gene heskett wrote:
> On 12/1/23 05:41, Dan Purgert wrote:
> > On Nov 30, 2023, gene heskett wrote:
> > > On 11/30/23 22:07, John Hasler wrote:
> > > > Gene writes:
> > > > > let me clarify: This buster machine acting like a 3d printer does NOT
> > > > > have dhcpcd installed. No trace of it in /etc Only dhcp.
> > > >
> > > > I'm sure it's running dhclient. do
> > > >
> > > > ls /etc/dhcp
> > > >
> > > > and
> > > >
> > > > ps ax | grep dhc
> > > >
> > > > You don't need to do anything on that machine. Just install a dhcp
> > > > server somewhere on your network (on the router is conventional) and it
> > > > will give that machine an ip number.
> > >
> > > At risk of repeating myself forever, I don't need an unstable address, I
> > > don't want whatever the heck is left in the pool. Hosts files do that, dhcp
> > > doesn't. It just hands out the next number in the pool. hosts files are
> > > static. A forveer lease.
> >
> > DHCP will only hand out the "next" ('unstable') address to a host that
> > currently has no valid lease AND does not have a reservation set on the
> > DHCP server. Reservations are based on host MAC address.
> >
> > Any host that has a valid lease will renew that lease indefinitely, at
> > lease half-life (and if the DHCP server happens to be missing at
> > half-life, retry at 7/8ths ).
>
> Assuming I install a dhcp SERVER on this machine, how do I edit the
> client.conf on that machine to query this one?, and how to I enable this
> "reservation" on this SERVER so it hands out a stable address ONLY if the
> reservation matches? Point me at the docs please and I'll go away.
You don't tell the client anything. DHCP is initiated by a broadcast
from a client looking for an IP address.
Reservation syntax depends on which DHCP server you're using. If it's
isc-dhcp-server (predecessor to kea; though I've not yet migrated to
kea), then, in the 'subnet' directive, you add a "host" directive.
The isc-dhcp-server example config file (and html manual) cover the
syntax in greater detail, but here's a short example:
subnet 192.168.1.0 netmask 255.255.255.0 {
range 192.168.1.100 192.168.1.199;
[... DNS, default gateway, etc ...]
host thePrinter {
hardware ethernet 00:12:34:56:78:9A;
fixed-address 192.168.1.120;
}
}
--
|_|O|_|
|_|_|O| Github: https://github.com/dpurgert
|O|O|O| PGP: DDAB 23FB 19FA 7D85 1CC1 E067 6D65 70E5 4CE7 2860
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time question, as in ntp? gene heskett <gheskett@shentel.net> - 2023-11-29 19:00 +0100
Re: time question, as in ntp? Dan Ritter <dsr@randomstring.org> - 2023-11-29 19:20 +0100
Re: time question, as in ntp? gene heskett <gheskett@shentel.net> - 2023-11-29 19:40 +0100
Re: time question, as in ntp? Dan Purgert <dan@djph.net> - 2023-11-29 19:20 +0100
Re: time question, as in ntp? Greg Wooledge <greg@wooledge.org> - 2023-11-29 20:10 +0100
Re: time question, as in ntp? Dan Purgert <dan@djph.net> - 2023-11-29 20:20 +0100
Re: time question, as in ntp? Jeffrey Walton <noloader@gmail.com> - 2023-11-30 01:30 +0100
Re: time question, as in ntp? gene heskett <gheskett@shentel.net> - 2023-11-29 22:00 +0100
Re: time question, as in ntp? Dan Purgert <dan@djph.net> - 2023-11-30 00:00 +0100
Re: time question, as in ntp? gene heskett <gheskett@shentel.net> - 2023-11-30 01:40 +0100
Re: time question, as in ntp? Dan Purgert <dan@djph.net> - 2023-11-30 11:40 +0100
Re: time question, as in ntp? gene heskett <gheskett@shentel.net> - 2023-11-30 11:50 +0100
Re: time question, as in ntp? Max Nikulin <manikulin@gmail.com> - 2023-11-30 03:50 +0100
Re: time question, as in ntp? Dan Purgert <dan@djph.net> - 2023-11-30 11:50 +0100
Re: time question, as in ntp? John Hasler <john@sugarbit.com> - 2023-11-29 19:30 +0100
Re: time question, as in ntp? gene heskett <gheskett@shentel.net> - 2023-11-29 20:00 +0100
Re: time question, as in ntp? Greg Wooledge <greg@wooledge.org> - 2023-11-29 20:30 +0100
Re: time question, as in ntp? "Andrew M.A. Cater" <amacater@einval.com> - 2023-11-29 21:00 +0100
Re: time question, as in ntp? gene heskett <gheskett@shentel.net> - 2023-11-30 01:10 +0100
Re: time question, as in ntp? gene heskett <gheskett@shentel.net> - 2023-11-30 01:00 +0100
Re: time question, as in ntp? John Hasler <john@sugarbit.com> - 2023-11-30 02:30 +0100
Re: time question, as in ntp? gene heskett <gheskett@shentel.net> - 2023-11-30 03:00 +0100
Re: time question, as in ntp? Charles Curley <charlescurley@charlescurley.com> - 2023-11-30 03:50 +0100
Re: time question, as in ntp? gene heskett <gheskett@shentel.net> - 2023-11-30 05:20 +0100
Re: time question, as in ntp? Charles Curley <charlescurley@charlescurley.com> - 2023-11-30 05:40 +0100
Re: time question, as in ntp? gene heskett <gheskett@shentel.net> - 2023-11-30 10:20 +0100
Re: time question, as in ntp? Karen Lewellen <klewellen@shellworld.net> - 2023-11-30 05:50 +0100
Re: time question, as in ntp? Karen Lewellen <klewellen@shellworld.net> - 2023-11-30 05:50 +0100
Re: time question, as in ntp? Dan Purgert <dan@djph.net> - 2023-11-30 11:50 +0100
Re: time question, as in ntp? Dan Purgert <dan@djph.net> - 2023-11-30 11:50 +0100
Re: time question, as in ntp? Max Nikulin <manikulin@gmail.com> - 2023-11-30 03:40 +0100
Re: time question, as in ntp? gene heskett <gheskett@shentel.net> - 2023-11-30 05:10 +0100
Re: time question, as in ntp? Max Nikulin <manikulin@gmail.com> - 2023-11-30 06:00 +0100
Re: time question, as in ntp? gene heskett <gheskett@shentel.net> - 2023-11-30 10:20 +0100
Re: time question, as in ntp? Greg Wooledge <greg@wooledge.org> - 2023-11-30 13:20 +0100
Re: time question, as in ntp? gene heskett <gheskett@shentel.net> - 2023-11-30 11:20 +0100
Re: time question, as in ntp? Max Nikulin <manikulin@gmail.com> - 2023-11-30 13:40 +0100
Re: time question, as in ntp? Greg Wooledge <greg@wooledge.org> - 2023-11-30 14:20 +0100
Re: time question, as in ntp? gene heskett <gheskett@shentel.net> - 2023-11-30 20:00 +0100
Re: time question, as in ntp? gene heskett <gheskett@shentel.net> - 2023-11-30 19:50 +0100
Re: time question, as in ntp? Max Nikulin <manikulin@gmail.com> - 2023-12-01 03:40 +0100
Re: time question, as in ntp? gene heskett <gheskett@shentel.net> - 2023-12-01 04:30 +0100
Re: time question, as in ntp? John Hasler <john@sugarbit.com> - 2023-12-01 05:10 +0100
Re: time question, as in ntp? gene heskett <gheskett@shentel.net> - 2023-12-01 11:10 +0100
Re: time question, as in ntp? Curt <curty@free.fr> - 2023-12-01 18:00 +0100
Re: time question, as in ntp? <tomas@tuxteam.de> - 2023-12-01 19:50 +0100
Re: time question, as in ntp? John Hasler <john@sugarbit.com> - 2023-12-01 20:30 +0100
Re: time question, as in ntp? Max Nikulin <manikulin@gmail.com> - 2023-12-01 05:20 +0100
Re: time question, as in ntp? gene heskett <gheskett@shentel.net> - 2023-12-01 11:50 +0100
Re: time question, as in ntp? Dan Purgert <dan@djph.net> - 2023-12-01 12:40 +0100
Re: time question, as in ntp? Max Nikulin <manikulin@gmail.com> - 2023-12-01 16:30 +0100
Re: time question, as in ntp? gene heskett <gheskett@shentel.net> - 2023-12-01 20:30 +0100
Re: time question, as in ntp? Greg Wooledge <greg@wooledge.org> - 2023-12-01 20:50 +0100
Re: time question, as in ntp? gene heskett <gheskett@shentel.net> - 2023-12-01 23:00 +0100
Re: time question, as in ntp? Greg Wooledge <greg@wooledge.org> - 2023-12-01 23:40 +0100
Re: time question, as in ntp? Max Nikulin <manikulin@gmail.com> - 2023-12-02 12:20 +0100
Re: time question, as in ntp? Max Nikulin <manikulin@gmail.com> - 2023-12-02 08:50 +0100
Re: time question, as in ntp? Andy Smith <andy@strugglers.net> - 2023-12-01 08:40 +0100
Re: time question, as in ntp? "Andrew M.A. Cater" <amacater@einval.com> - 2023-12-01 19:30 +0100
Re: time question, as in ntp? gene heskett <gheskett@shentel.net> - 2023-12-01 22:30 +0100
Re: time question, as in ntp? John Hasler <john@sugarbit.com> - 2023-12-02 03:40 +0100
Re: time question, as in ntp? gene heskett <gheskett@shentel.net> - 2023-12-02 11:50 +0100
Re: time question, as in ntp? John Hasler <john@sugarbit.com> - 2023-11-30 15:20 +0100
Re: time question, as in ntp? gene heskett <gheskett@shentel.net> - 2023-11-30 20:10 +0100
Re: time question, as in ntp? Greg Wooledge <greg@wooledge.org> - 2023-11-30 20:20 +0100
Re: time question, as in ntp? Charles Curley <charlescurley@charlescurley.com> - 2023-11-30 21:00 +0100
Re: time question, as in ntp? John Hasler <john@sugarbit.com> - 2023-11-30 21:30 +0100
Re: time question, as in ntp? gene heskett <gheskett@shentel.net> - 2023-12-01 03:10 +0100
Re: time question, as in ntp? John Hasler <john@sugarbit.com> - 2023-12-01 04:10 +0100
Re: time question, as in ntp? gene heskett <gheskett@shentel.net> - 2023-12-01 04:40 +0100
Re: time question, as in ntp? John Hasler <john@sugarbit.com> - 2023-12-01 05:20 +0100
Re: time question, as in ntp? David Wright <deblis@lionunicorn.co.uk> - 2023-12-01 06:10 +0100
Re: time question, as in ntp? Dan Purgert <dan@djph.net> - 2023-12-01 11:50 +0100
Re: time question, as in ntp? gene heskett <gheskett@shentel.net> - 2023-12-01 12:00 +0100
Re: time question, as in ntp? Dan Purgert <dan@djph.net> - 2023-12-01 12:30 +0100
Re: time question, as in ntp? Greg Wooledge <greg@wooledge.org> - 2023-12-01 14:30 +0100
Re: time question, as in ntp? Dan Purgert <dan@djph.net> - 2023-12-01 15:40 +0100
Re: time question, as in ntp? gene heskett <gheskett@shentel.net> - 2023-12-01 19:50 +0100
Re: time question, as in ntp? gene heskett <gheskett@shentel.net> - 2023-12-01 14:30 +0100
Re: time question, as in ntp? Dan Purgert <dan@djph.net> - 2023-12-01 14:50 +0100
Re: time question, as in ntp? gene heskett <gheskett@shentel.net> - 2023-12-01 19:50 +0100
Re: time question, as in ntp? Greg Wooledge <greg@wooledge.org> - 2023-12-01 04:20 +0100
Re: time question, as in ntp? Charles Curley <charlescurley@charlescurley.com> - 2023-11-30 15:20 +0100
Re: time question, as in ntp? Andy Smith <andy@strugglers.net> - 2023-11-30 17:20 +0100
Re: time question, as in ntp? Greg Wooledge <greg@wooledge.org> - 2023-11-30 19:10 +0100
Re: time question, as in ntp? gene heskett <gheskett@shentel.net> - 2023-12-01 02:40 +0100
Re: time question, as in ntp? Max Nikulin <manikulin@gmail.com> - 2023-12-01 17:30 +0100
Re: time question, as in ntp? Andy Smith <andy@strugglers.net> - 2023-12-01 21:50 +0100
Re: time question, as in ntp? Charles Curley <charlescurley@charlescurley.com> - 2023-12-02 00:10 +0100
Re: time question, as in ntp? John Hasler <john@sugarbit.com> - 2023-12-02 17:40 +0100
Re: time question, as in ntp? Max Nikulin <manikulin@gmail.com> - 2023-12-04 04:10 +0100
Re: time question, as in ntp? John Hasler <john@sugarbit.com> - 2023-12-04 05:40 +0100
Re: time question, as in ntp? Max Nikulin <manikulin@gmail.com> - 2023-12-04 11:10 +0100
Re: time question, as in ntp? gene heskett <gheskett@shentel.net> - 2023-12-04 10:50 +0100
Re: time question, as in ntp? Stefan Monnier <monnier@iro.umontreal.ca> - 2023-12-04 15:40 +0100
Re: time question, as in ntp? <tomas@tuxteam.de> - 2023-12-04 15:40 +0100
Re: time question, as in ntp? John Hasler <john@sugarbit.com> - 2023-12-04 16:00 +0100
Re: time question, as in ntp? Tom Dial <tddial@comcast.net> - 2023-12-05 09:40 +0100
Re: time question, as in ntp? Lee <ler762@gmail.com> - 2023-11-29 20:20 +0100
Re: time question, as in ntp? gene heskett <gheskett@shentel.net> - 2023-11-29 22:20 +0100
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