Hello
I'm trying to control a device hostname independently of NetworkManager,
but am unable to disable NetworkManager's hostname management. I'm using
NM version 1.28.2
I've added the following to the configuration file:
[main]
hostname-mode=none
When NM starts at boot I see the following messages:
hostname: hostname: using hostnamed
hostname: hostname changed from (none) to "<my hostname>"
Using nmcli to set the hostname triggers a DBus call to set the static
(which fails) and transient (which succeeds) hostnames:
Jul 23 16:11:03 OldHostname dbus-daemon[1368]: [system] Activating via
systemd: service name='org.freedesktop.hostname1'
unit='dbus-org.freedesktop.hostname1.service' requested by ':1.4' (uid=0
pid=1472 comm="/usr/sbin/NetworkManager --no-daemon ")
Jul 23 16:11:03 OldHostname audit: AUDIT1334 prog-id=35 op=LOAD
Jul 23 16:11:03 OldHostname audit: AUDIT1334 prog-id=36 op=LOAD
Jul 23 16:11:03 OldHostname kernel: audit: type=1334
audit(1627056663.748:120): prog-id=35 op=LOAD
Jul 23 16:11:03 OldHostname kernel: audit: type=1334
audit(1627056663.748:121): prog-id=36 op=LOAD
Jul 23 16:11:03 OldHostname dbus-daemon[1368]: [system] Successfully
activated service 'org.freedesktop.hostname1'
Jul 23 16:11:03 NewHostname systemd-hostnamed[10804]: Failed to write
static host name: Device or resource busy
Jul 23 16:11:03 NewHostname NetworkManager[1472]: <warn>
[1627056663.9942] hostname: could not set hostname:
GDBus.Error:System.Error.EBUSY: Failed to set static hostname: Device or
resource busy
Jul 23 16:11:03 NewHostname NetworkManager[1472]: <info>
[1627056663.9944] audit: op="hostname-save" arg="NewHostname" pid=10800
uid=0 result="fail" reason="Saving the hostname failed."
I was hoping that nmcli would return "set-hostname: hostname is
unmanaged" when hostname-mode set to 'none'.
I have two questions:
1) Can I configure NM so that it doesn't make any attempts to change
either the static or transient device hostname?
2) If I change the hostname externally from NM should the NM service be
restarted?
Thanks
Mark
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