Control: tags -1 upstream Control: close -1 On Mon, 17 Feb 2025 17:47:25 +0000 Philip Stewart <philip.stewart.pub...@gmail.com> wrote: > Package: systemd-resolved > Version: 257.3-1 > > Hello, > > On trixie, during the startup of systemd-resolved I observe the info > message: "Defaulting to hostname 'linux'." > > /etc/hostname is populated and the correct hostname is returned by > hostnamectl and hostname > > Attempting to set the hostname (with either hostnamectl or hostname) > results in systemd-resolved emitting the warning message: "Failed to > determine the local hostname and LLMNR/mDNS names, ignoring: Invalid > argument" > > I prefer to set ReadEtcHosts=no, but observe the behaviour above with > ReadEtcHosts set to either yes or no. However, without suitable > entries for the local hostname in /etc/hosts, or if ReadEtcHosts=no, > systemd-resolved does not synthesize records for the local hostname, > and so queries for the local hostname are not found, oddly (to me at > least!) causing sudo to emit a warning upon use that it is unable to > resolve the host. > > I do not observe the same behaviour on any of my bookworm machines > using systemd-resolved.
There are no patches or specific configuration settings for this, so as per the reportbug template please re-run it after setting SYSTEMD_LOG_LEVEL=debug in resolved and open a bug upstream on Github with the full logs and all the details, and it will be handled: https://github.com/systemd/systemd/issues/new?template=bug_report.yml
