Re: [gentoo-user] /etc/hosts include file?

[Florian Philipp <lists@binarywings.net>]

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Am 08.03.2013 01:29, schrieb Michael Mol:
> On 03/07/2013 05:24 PM, Alan McKinnon wrote:
>> Anyone know if there's a way to get /etc/hosts to support the notion of
>> an include file? I did my homework and found nothing, maybe someone else
>> knows more.
>>
>> I really do need this, I have an app that discovers things on the
>> network and knows their address. This makes it's automated way into DNS
>> but takes a few days, and another app needs to use the fqdn right now.
>> So /etc/hosts is the way to go for the interim three days.
>>
>> I've worked around it by creating /etc/hosts.d/ containing a header and
>> a data file. cat the two and redirect to /etc/hosts.d/hosts and the real
>> hosts file is a symlink to that. It's a sub-directory as none of these
>> apps run as root and only root can modiy the real hosts file.
>>
>> This works well enough, but a supported include mechanism would make
>> life so much simpler, not to mention easier for my colleagues to
>> understand what the blazes I set up :-)
> 
> No, there's not an "include" directive.
> 
> There are, however, two other ways to get hostnames recognized.
> 
> The first is /etc/resolv.conf . You can point your host at a local DNS
> server which is aware of the discovered hosts, and which forwards the
> rest of the queries. (This is how Samba 4's internal DNS server
> operates; anything it knows, it responds to. Everything else, it forwards.)
> 

dnsmasq also works like this and is probably easier to set up. FWIW it
also supports include files.

Regards,
Florian Philipp



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