On 3/27/2020 7:36 PM, Michal Prívozník wrote: > On 27. 3. 2020 19:23, john doe wrote: >> Okay, I have installed the pluging, do you mind explaning how this >> should work?: >> >> $ grep host /etc/ns* >> hosts: files libvirt_guest dns >> >> >> If I'm correct, following your example, I should be able to do: >> >> $ host try06 >> >> What am I missing. > > 'host' does DNS directly, regardless of nsswitch.conf. That's not how > majority of SW work. Try: > > getent hosts try06 > > or: > > ssh try06 > > The majority will use gethostbyname() which will consult the > nsswitch.conf and use modules defined there. In your case, the > /etc/hosts will be consulted first, then libvirt_guest and DNS is used > only if everything else failed. You can verify that 'host' does DNS > directly by trying a hostname from /etc/hosts. It will give an error > even though getent won't. > > Michal > Thanks for the explanation but it does not seem to work: $ getent hosts try06; echo $? 2 Using 'libvirt' or libvirt_guest' one or the other or both does not change the above, for testing purposes the line 'hosts: ...' has only libvirt modules. It is also not working for SSH. Testing this on Debian Buster (10) ('libnss-libvirt is already the newest version (5.0.0-4+deb10u1)'). Your help is appriciated. -- John Doe