On 30/10/2023 01:21, Jeffrey Walton wrote:
Also see
<https://systemd-devel.freedesktop.narkive.com/W2bL081i/how-do-you-set-the-machine-s-domain-name-with-systemd>,
where the systemd folks said to modify the hostname by hand because
hostnamectl butchered the fully qualified hostname.
Debian bookworm is not affected by this decade-old bug.
I am however unsure concerning reasons behind the following suggestion
in respect to /etc/hostname
hostname(5) from systemd
It is recommended that this name contains only a single label, i.e.
without any dots.