Hello all,
We're trying to create a custom configuration file for the kea-dhcp4-server in
our deployment. Currently what I've tried is a simple systemd dropin:
$ cat /etc/systemd/system/kea-dhcp4-server.service.d/override.conf
[Service]
ExecStart=
ExecStart=/usr/sbin/kea-dhcp4 -c /etc/kea/kea-dhcp4-gw.conf
When I try using that, I get failure to create the PID file:
$ sudo systemctl daemon-reload
$ sudo systemctl restart kea-dhcp4-server
$ sudo systemctl status kea-dhcp4-server
× kea-dhcp4-server.service - Kea IPv4 DHCP daemon
Loaded: loaded (/usr/lib/systemd/system/kea-dhcp4-server.service; enabled;
preset: enabled)
Drop-In: /etc/systemd/system/kea-dhcp4-server.service.d
└─override.conf
Active: failed (Result: exit-code) since Thu 2025-02-13 18:13:21 GMT; 7s
ago
Duration: 25ms
Docs: man:kea-dhcp4(8)
Process: 448823 ExecStart=/usr/sbin/kea-dhcp4 -c /etc/kea/kea-dhcp4-gw.conf
(code=exited, status=1/FAILURE)
Main PID: 448823 (code=exited, status=1/FAILURE)
CPU: 24ms
Feb 13 18:13:21 71077345 systemd[1]: Started kea-dhcp4-server.service - Kea
IPv4 DHCP daemon.
Feb 13 18:13:21 71077345 kea-dhcp4[448823]: 2025-02-13 18:13:21.928 INFO
[kea-dhcp4.dhcp4/448823.134556786268608] DHCP4_STARTING Kea DHCPv4 server
version 2.4.1 (stable) starting
Feb 13 18:13:21 71077345 kea-dhcp4[448823]: kea-dhcp4: Fatal error during start
up: Unable to open PID file '/run/kea/kea-dhcp4-gw.kea-dhcp4.pid' for write
Feb 13 18:13:21 71077345 kea-dhcp4[448823]: 2025-02-13 18:13:21.928 FATAL
[kea-dhcp4.dhcp4/448823.134556786268608] DHCP4_SERVER_FAILED server failed:
Unable to open PID file '/run/kea/kea-dhcp4-gw.kea-dhcp4.pid' for write
Feb 13 18:13:21 71077345 systemd[1]: kea-dhcp4-server.service: Main process
exited, code=exited, status=1/FAILURE
Feb 13 18:13:21 71077345 systemd[1]: kea-dhcp4-server.service: Failed with
result 'exit-code'.
Everything I've tried in an effort to switch the server to a custom config file
has failed in similar ways. Clearly I'm missing something in the systemd
service config... any help here is appreciated.
Scott LaCroix
Software Engineer
Building Technologies & Solutions
Johnson Controls
scott.lacr...@jci.com<mailto:scott.lacr...@jci.com>
www.johnsoncontrols.com<http://www.johnsoncontrols.com/>
www.americandynamics.net<http://www.americandynamics.net/>
Johnson Controls
6 Technology Park Drive
Westford, MA 01886
USA
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