On Tue, Nov 8, 2016 at 9:11 PM, Jan Alexander Steffens via arch-general < arch-general@xxxxxxxxxxxxx> wrote: > On Tue, Nov 8, 2016 at 1:37 PM Chi-Hsuan Yen via arch-general < > arch-general@xxxxxxxxxxxxx> wrote: > > > Hi Arch enthuasiasts, > > > > With testing/filesystem 2016.11-2, I can no longer use my local hostname > to > > acess services on the local machine. For example: > > > > $ hostname > > PC12574 > > > > $ ping PC12574 > > ping: PC12574: Name or service not known > > > > Seems changes in nsswitch.conf [1] does the effect. If I change the > hosts: > > line in nsswitch.conf back to the old configuration "files resolve > > mymachines myhostname", or remove the [!UNAVAIL=return] part from this > > line, ping works fine: > > > > $ ping PC12574 > > PING PC12574(PC12574 (fe80::ae22:bff:fe77:e20b%enp3s0)) 56 data bytes > > 64 bytes from PC12574 (fe80::ae22:bff:fe77:e20b%enp3s0): icmp_seq=1 > ttl=64 > > time=0.025 ms > > 64 bytes from PC12574 (fe80::ae22:bff:fe77:e20b%enp3s0): icmp_seq=2 > ttl=64 > > time=0.078 ms > > > > Is it a bug? Or such a usage is just a non-standard coincidence? > > > > Thanks for any help. > > > > Yen Chi Hsuan > > > > [1] > > > > https://git.archlinux.org/svntogit/packages.git/commit/ > trunk?h=packages/filesystem&id=f1cd9f7fb4cdf7617a1b875e14be212733f9c67a > > > This is an effect of putting "myhostname" at the end of the list. If you > don't want your network to be able to override lookup for your hostname > move "myhostname" to after "files". > > Thanks for the solution! Maybe it should be the default? I see https://bugs.archlinux.org/task/51709 changed nsswitch.conf to the current settings. > It seems this only happens when you're part of a domain. AFAICT resolve/dns > won't ask upstream for unqualified names. > How to check whether I'm in a domain or not? Here's my /etc/resolv.conf: $ cat /etc/resolv.conf # Generated by resolvconf nameserver 8.8.8.8 And another seemingly related command: $ hostname --domain (none) Best, Yen Chi Hsuan
