[TriLUG] How ssh et al resolves domain names...

[Francois Dion]

nsswitch.conf?




On Tue, Aug 27, 2013 at 9:58 AM, Brian Henning <bhenning at pineinst.com>wrote:

> Hi Gang,
>
> I think I've brought this topic up before, but it's back to taunt me again.
> A snippet from my command line should summarize nicely:
>
> [brian at cheetah ~]$ host mirawall
> mirawall has address 192.168.0.106
> [brian at cheetah ~]$ ssh mirawall
> ssh: mirawall: Name or service not known
> [brian at cheetah ~]$ ping mirawall
> ping: unknown host mirawall
>
> "mirawall" is a DHCP-assigned host on the local subnet.
> dnsmasq provides DHCP and DNS.
> "mirawall" is not in the /etc/hosts file, and I don't want it to be.
>
> Why does host(1) know who "mirawall" is, but ssh(1) and ping(8) (among
> others) do not?  Shouldn't they all be resolving the hostname the same way?
>
> Is there some config file I need to tweak?  Here's my /etc/resolv.conf:
>
> [brian at cheetah ~]$ cat /etc/resolv.conf
> ; generated by /sbin/dhclient-script
> search nc.rr.com
> nameserver 127.0.0.1
> nameserver 8.8.8.8
>
>
> Thanks,
> ~Brian
>
> ------------------------------------------------------
>           Brian Henning, Software Engineer
>
>     /\    Pine Research Instrumentation
>    //\\   2741 Campus Walk Ave, Bldg 100
>   ///\\\  Durham, NC 27705
>  ////\\\\ USA
>     ||
>     ||    phone: 919.782.8320
>           fax:   919.782.8323
>           email: bhenning at pineinst.com
> ------------------------------------------------------
>
>
>
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