Bug#1039966: isc-dhcp-server.service: Could not get Tjener LDAP object (but it exists).
Package: debian-edu-config
Severity: important
Error messages popping up in syslog on newly installed systems..
gber (Guido Berhörster) can reproduce this issue.
less /var/log/syslog: ```
2023-06-30T10:02:19.424921+02:00 tjener systemd[1]: Starting isc-dhcp-server.service - DHCP server...
2023-06-30T10:02:19.439804+02:00 tjener kernel: [158732.008135] audit: type=1400 audit(1688112139.433:56880): apparmor="DENIED" operation="open" profile="/usr/sbin/dhcpd" name="/proc/sys/net/ipv4/ip_local_port_range" pid=138165 comm="dhcpd" requested_mask="r" denied_mask="r" fsuid=0 ouid=0
2023-06-30T10:02:19.439829+02:00 tjener kernel: [158732.008359] audit: type=1400 audit(1688112139.433:56881): apparmor="DENIED" operation="open" profile="/usr/sbin/dhcpd" name="/proc/sys/net/ipv4/ip_local_port_range" pid=138165 comm="dhcpd" requested_mask="r" denied_mask="r" fsuid=0 ouid=0
2023-06-30T10:02:20.655827+02:00 tjener kernel: [158733.222839] audit: type=1400 audit(1688112140.649:56882): apparmor="DENIED" operation="open" profile="/usr/sbin/dhcpd" name="/etc/gss/mech.d/" pid=138165 comm="dhcpd" requested_mask="r" denied_mask="r" fsuid=0 ouid=0
2023-06-30T10:02:20.655852+02:00 tjener kernel: [158733.224031] audit: type=1400 audit(1688112140.649:56883): apparmor="DENIED" operation="open" profile="/usr/sbin/dhcpd" name="/proc/sys/net/ipv4/ip_local_port_range" pid=138165 comm="dhcpd" requested_mask="r" denied_mask="r" fsuid=0 ouid=0
2023-06-30T10:02:21.863147+02:00 tjener dhcpd[138165]: Cannot find host LDAP entry tjener (&(objectClass=dhcpServer)(cn=tjener))
2023-06-30T10:02:21.863502+02:00 tjener dhcpd[138165]: Configuration file errors encountered -- exiting
2023-06-30T10:02:21.863661+02:00 tjener dhcpd[138165]:
2023-06-30T10:02:21.863791+02:00 tjener dhcpd[138165]: If you think you have received this message due to a bug rather
2023-06-30T10:02:21.863902+02:00 tjener dhcpd[138165]: than a configuration issue please read the section on submitting
2023-06-30T10:02:21.864040+02:00 tjener dhcpd[138165]: bugs on either our web page at www.isc.org or in the README file
2023-06-30T10:02:21.864147+02:00 tjener dhcpd[138165]: before submitting a bug. These pages explain the proper
2023-06-30T10:02:21.864252+02:00 tjener dhcpd[138165]: process and the information we find helpful for debugging.
2023-06-30T10:02:21.864353+02:00 tjener dhcpd[138165]:
2023-06-30T10:02:21.864450+02:00 tjener dhcpd[138165]: exiting.
2023-06-30T10:02:21.865527+02:00 tjener systemd[1]: isc-dhcp-server.service: Control process exited, code=exited, status=1/FAILURE
2023-06-30T10:02:21.865864+02:00 tjener systemd[1]: isc-dhcp-server.service: Failed with result 'exit-code'.
2023-06-30T10:02:21.866119+02:00 tjener systemd[1]: Failed to start isc-dhcp-server.service - DHCP server.
2023-06-30T10:02:23.893575+02:00 tjener systemd[1]: isc-dhcp-server.service: Scheduled restart job, restart counter is at 9475.
```
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