* Lennart Poettering: > On Mi, 15.04.20 09:36, Florian Weimer (fweimer@xxxxxxxxxx) wrote: > >> * Michael Catanzaro: >> >> > 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." >> >> At which position? After files? > > The suggested line in nsswitch.conf is: > > hosts: files mymachines resolve [!UNAVAIL=return] dns myhostname > > See https://www.freedesktop.org/software/systemd/man/nss-resolve.html > > So currently we leave "files" the way it is, taking precendence. > > That said, resolved has a bus API for resolving hosts too, which gives > a bit richer an API to do things, instead of using > gethostbyname(). resolved parses and caches /etc/hosts for that > natively, so that we can server the same set of names when going via > the bus API or via NSS. > >> Does systemd-resolved cache /etc/hosts? > > Yes. Then I don't understand why we are listing files first, before resolve. If we can handle /etc/hosts through nss_resolve, with caching, we make progress towards replacing nscd. /etc/hosts is one of the things not handled by ssssd, so one of the remaining gaps would be covered. Thanks, Florian _______________________________________________ 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
