On 4/14/20 17:26, Michael Catanzaro wrote: > On Tue, Apr 14, 2020 at 8:48 pm, Zbigniew Jędrzejewski-Szmek > <zbyszek@xxxxxxxxx> wrote: >> I guess the lesson here is the nsswitch.conf change should be >> clarified in the proposal. > > OK, I've just added it at the end of this part here: > > "systemd-libs currently has > [https://src.fedoraproject.org/rpms/systemd/blob/bb79fb73875f8e71841a1ee8ede5d234b7878753/f/systemd.spec#_606 > a %post scriplet] to enable nss-myhostname and nss-systemd by either > (a) modifying authselect's user-nsswitch.conf template, if authselect > is in use, or (b) directly modifying /etc/nsswitch.conf otherwise. We > will work with the systemd maintainers to enable nss-resolve here as > well by adding `resolve [!UNAVAIL=return]` to the hosts line." > > Then the instructions in the change proposal for disabling > systemd-resolved say: > > "Modify /etc/authselect/user-nsswitch.conf and remove resolve > [!UNAVAIL=return] from the hosts line. Run authselect apply-changes. > (If you have disabled authselect, then edit /etc/nsswitch.conf > directly.)" > > I guess I should delete that from the proposal, since it's not needed? > >> I'm not sure what the best path option here is. The path of least >> resistance would be to simply leave /etc/resolv.conf out of this change. >> nss-resolve doesn't care, and the effect is only on things which >> don't use the nss stack, or read /etc/resolv.conf for other purposes. > > NetworkManager only enables its systemd-resolved backend if > /etc/resolv.conf is symlinked appropriately. So that needs to happen. > > I didn't consider cases where systemd is not running because Fedora > hasn't supported booting without systemd in about a decade. But I > guess the problem here is for containers where systemd is not running > inside the container, but is running on the host system? I hadn't > considered this scenario. What do Ubuntu containers do? I guess those > are not all broken. :) > > _______________________________________________ > devel mailing list -- devel@xxxxxxxxxxxxxxxxxxxxxxx > To unsubscribe send an email to devel-leave@xxxxxxxxxxxxxxxxxxxxxxx > Fedora Code of Conduct: > https://docs.fedoraproject.org/en-US/project/code-of-conduct/ > List Guidelines: https://fedoraproject.org/wiki/Mailing_list_guidelines > List Archives: > https://lists.fedoraproject.org/archives/list/devel@xxxxxxxxxxxxxxxxxxxxxxx We can change container engines (podman, Buildah, CRI-O) to handle this but they need to have a location of a properly configured resolv.conf file, somewhere on the system to be used without systemd. _______________________________________________ devel mailing list -- devel@xxxxxxxxxxxxxxxxxxxxxxx To unsubscribe send an email to devel-leave@xxxxxxxxxxxxxxxxxxxxxxx Fedora Code of Conduct: https://docs.fedoraproject.org/en-US/project/code-of-conduct/ List Guidelines: https://fedoraproject.org/wiki/Mailing_list_guidelines List Archives: https://lists.fedoraproject.org/archives/list/devel@xxxxxxxxxxxxxxxxxxxxxxx