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Today's Topics:
1. Re: dhcp-users Digest, Vol 161, Issue 2 (Timothe Litt)
2. Re: isc-dhcp-server 4.4.1 (Joshua Stark)
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Message: 1
Date: Sun, 13 Mar 2022 08:39:54 -0400
From: Timothe Litt <l...@acm.org>
To: dhcp-users@lists.isc.org
Subject: Re: dhcp-users Digest, Vol 161, Issue 2
Message-ID: <326c486b-1aa3-0c9c-b313-a6879ad4f...@acm.org>
Content-Type: text/plain; charset="utf-8"; Format="flowed"
On 13-Mar-22 08:00, dhcp-users-requ...@lists.isc.org wrote:
> Date: Sat, 12 Mar 2022 16:41:11 +0000
> From: Simon<dh...@thehobsons.co.uk>
> To: Users of ISC DHCP<dhcp-users@lists.isc.org>
> Subject: Re: Dhcp.leases manually edit
> Message-ID:<ed93c8d4-a29c-4ec9-b0bd-3a9377df8...@thehobsons.co.uk>
> Content-Type: text/plain; charset=utf-8
>
> JT ISC<jtis...@gmail.com> wrote:
>
>> However, I have been wondering if you can stop dhcpd service and add in a
>> new lease the very end of the dhcpd.leases file using the correct format for
>> lease start and end times as well as the MAC address. Then start the dhcpd
>> service again and the dhcpd server update the lease that you just manually
>> created with any new updated information.
> Yes, it?s something I?ve done when I?ve had special requirements - e.g.
> creating a new reserved lease for a device.
>
> >From memory you might not even need times - it?s sufficient to create a
> >skeleton entry with the IP address, the MAC address or Client-ID the device
> >will use, and in my case, the ?reserved? flag. When the client contacts the
> >server, the server will fill everything else in as required.
>
> Simon
If you edit, it's best to script the process, including checking syntax,
duplicates, etc, to avoid inducing most problems.
See also omshell (1) / OMAPI, which avoids service interruptions (as
does failover).
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Message: 2
Date: Mon, 14 Mar 2022 10:05:18 +1100
From: Joshua Stark <star...@gmail.com>
To: Users of ISC DHCP <dhcp-users@lists.isc.org>, Samuel Motta
<sam...@apoiotatico.com.br>
Subject: Re: isc-dhcp-server 4.4.1
Message-ID: <9e4109fb-411f-884a-69b0-ceedfb12e...@gmail.com>
Content-Type: text/plain; charset="utf-8"; Format="flowed"
Hi Samuel,
Looking at the initial log, it looks like you are starting dhcp with the
init.d script:
Feb 23 13:19:01 debian-backup isc-dhcp-server[388778]:
/etc/init.d/isc-dhcp-server: 50: cannot open /etc/dhcp/dhcpd6.conf: No
such file
I would have thought that you should be using systemd and have:
# grep pid /lib/systemd/system/isc*
/lib/systemd/system/isc-dhcp-server.service:??? exec dhcpd -user dhcpd
-group dhcpd -f -4 -pf /run/dhcp-server/dhcpd.pid -cf $CONFIG_FILE
$INTERFACESv4'
/lib/systemd/system/isc-dhcp-server6.service:??? exec dhcpd -user dhcpd
-group dhcpd -f -6 -pf /run/dhcp-server/dhcpd6.pid -cf $CONFIG_FILE
$INTERFACESv6'
See if it's running under systemd as:
# systemctl status isc-dhcp-server
Thanks
Josh
On 24/2/22 12:54, Samuel Motta wrote:
> To be more clear, after I try start isc-dhcp-server the log shows that
> dhcpd service already running but it?s not. The next log line show
> debian-backup isc-dhcp-server[388784]: failed!
>
> regards.
>
> Samuel
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