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Re: set domain name in Debian `

From Glenn English <ghe2001@gmail.com>
Newsgroups linux.debian.user
Subject Re: set domain name in Debian `
Date 2016-11-12 04:50 +0100
Message-ID <sCxuh-54u-1@gated-at.bofh.it> (permalink)
References <sCqVP-OQ-3@gated-at.bofh.it> <sCr5w-Sj-23@gated-at.bofh.it> <sCsbf-1Q9-3@gated-at.bofh.it> <sCsEi-20Z-13@gated-at.bofh.it>
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> On Nov 11, 2016, at 3:31 PM, Greg Wooledge <wooledg@eeg.ccf.org> wrote:
> 
> On Fri, Nov 11, 2016 at 02:47:48PM -0700, Glenn English wrote:
>>> On Nov 11, 2016, at 1:52 PM, Greg Wooledge <wooledg@eeg.ccf.org> wrote:
>>> 
>>> So... what are you actually trying to do?  Be very specific.
>> 
>> Well, I'd like the domain name to be the same everywhere. hostname -f
> 
> hostname -f is totally useless.  Why do people even KNOW about it, let
> alone use it? :(
> 
> wooledg@wooledg:~$ hostname
> wooledg
> wooledg@wooledg:~$ hostname -f
> wooledg

I claim you've got the same problem I do :-)

I looked at bit at hostname -f. It goes through a few levels (of .sh, it looks like) and finally asks something in a C library. So if hostname -f is giving bad data, the shell just doesn't have the right info.

> Including a domain name in that output is ridiculous if all of your
> systems are used within the same organization.

Maybe. But mine aren't. They've been in slsware.net, .dmz, and .lan.

> This is a DNS registrat thing.  It has nothing to do with Debian

OK. Then it's not what I'm looking for. I'm pretty sure what I need very much has to do with Debian.

> If your computer has a preferred fully qualified domain name, then you
> can put it in there.  Debian puts the computer's own hostname (with or
> without an attached domain name) on the IP 127.0.1.1, thus:
> 
> 127.0.0.1	localhost
> 127.0.1.1	wooledg

Just did that. Didn't work. Is a reboot required? (This thing takes a long time to reboot.)

> host(1) is indeed one of the many commands that can look up a name in
> DNS.  

host www.slsware.org gets the right IP. (localhost; there's no DNS info on the 'Net about this server yet.)

From an alien domain, running that command, specifying my DNS with an IP, works too.

> As I said before, if you don't specify a fully qualifed domain
> name, then the "search" line(s) in /etc/resolv.conf will tell the
> resolver which domain names to slap onto the end of the hostname before
> looking it up.
> 
> wooledg@wooledg:~$ cat /etc/resolv.conf
> search eeg.ccf.org
> nameserver 10.76.142.103
> nameserver 10.76.142.42
> nameserver 172.28.254.24
> 
> wooledg@wooledg:~$ host wooledg
> wooledg.eeg.ccf.org has address 10.76.172.109

Says 'Host slsware not found' here. (Still no reboot.)

> Thus, you need to be looking at your DNS setup with your domain registrar.

Don't need to. I do my own.

> That should be your top priority.

I read that and ran and configured DNS. Nobody cares, AFAICT.

> All that matters is what's in DNS.

I hear you. But it's a nagging piece of config that the kernel doesn't know its name. It exists for a reason, and it's built in to the kernel for something. It may well be something hanging over from 1975 -- if so, I'd like to know for sure, one way or the other.

> Set the local hostname to something that will help you remember which
> machine you're logged into.  That's all.

That's already done. Setting the host's name is easy. It's the domain that's making me crazy.

-- 
Glenn English
Did you just click Reply?
If so, change the send
address from gmail to
ghe@slsware.net

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Thread

set domain name in Debian ` Glenn English <ghe2001@gmail.com> - 2016-11-11 21:50 +0100
  Re: set domain name in Debian ` Greg Wooledge <wooledg@eeg.ccf.org> - 2016-11-11 22:00 +0100
    Re: set domain name in Debian ` Glenn English <ghe2001@gmail.com> - 2016-11-11 23:10 +0100
      Re: set domain name in Debian ` Greg Wooledge <wooledg@eeg.ccf.org> - 2016-11-11 23:40 +0100
        Re: set domain name in Debian ` Glenn English <ghe2001@gmail.com> - 2016-11-12 04:50 +0100
      Re: set domain name in Debian ` Joe <joe@jretrading.com> - 2016-11-11 23:50 +0100
        Re: set domain name in Debian ` Glenn English <ghe2001@gmail.com> - 2016-11-12 01:40 +0100
  Re: set domain name in Debian ` Andy Smith <andy@strugglers.net> - 2016-11-12 06:00 +0100
    Re: set domain name in Debian ` Glenn English <ghe2001@gmail.com> - 2016-11-12 07:40 +0100
      Re: set domain name in Debian ` Andy Smith <andy@strugglers.net> - 2016-11-12 07:50 +0100
        Re: set domain name in Debian ` Glenn English <ghe2001@gmail.com> - 2016-11-12 10:20 +0100
          Re: set domain name in Debian ` Andy Smith <andy@strugglers.net> - 2016-11-12 11:30 +0100
            Re: set domain name in Debian ` Brian <ad44@cityscape.co.uk> - 2016-11-12 13:40 +0100
            Re: set domain name in Debian ` Glenn English <ghe2001@gmail.com> - 2016-11-12 17:10 +0100
              Re: set domain name in Debian ` sunrise@mailbug.com - 2016-11-12 19:40 +0100
                Re: set domain name in Debian ` Glenn English <ghe2001@gmail.com> - 2016-11-12 20:30 +0100
              Re: set domain name in Debian ` Greg Wooledge <wooledg@eeg.ccf.org> - 2016-11-14 14:30 +0100
                Re: set domain name in Debian ` Glenn English <ghe2001@gmail.com> - 2016-11-14 23:00 +0100
                Re: set domain name in Debian ` David Wright <deblis@lionunicorn.co.uk> - 2016-11-14 23:40 +0100
                Re: set domain name in Debian ` Greg Wooledge <wooledg@eeg.ccf.org> - 2016-11-15 14:10 +0100
                Re: set domain name in Debian ` Greg Wooledge <wooledg@eeg.ccf.org> - 2016-11-15 15:20 +0100
                Re: set domain name in Debian ` Brian <ad44@cityscape.co.uk> - 2016-11-15 16:00 +0100
                Re: set domain name in Debian ` Greg Wooledge <wooledg@eeg.ccf.org> - 2016-11-15 16:20 +0100
                Re: set domain name in Debian ` Brian <ad44@cityscape.co.uk> - 2016-11-15 16:40 +0100
                Re: set domain name in Debian ` David Wright <deblis@lionunicorn.co.uk> - 2016-11-15 17:10 +0100
                Re: set domain name in Debian ` Brian <ad44@cityscape.co.uk> - 2016-11-15 15:20 +0100
                Re: set domain name in Debian ` Joe <joe@jretrading.com> - 2016-11-15 16:10 +0100
                Re: set domain name in Debian ` Brian <ad44@cityscape.co.uk> - 2016-11-15 16:50 +0100
                Re: set domain name in Debian ` Joe <joe@jretrading.com> - 2016-11-15 17:30 +0100
  Re: set domain name in Debian ` Henrique de Moraes Holschuh <hmh@debian.org> - 2016-11-12 16:50 +0100
    Re: set domain name in Debian ` Glenn English <ghe2001@gmail.com> - 2016-11-12 18:20 +0100
      Re: set domain name in Debian ` Henrique de Moraes Holschuh <hmh@debian.org> - 2016-11-12 19:40 +0100
        Re: set domain name in Debian ` Glenn English <ghe2001@gmail.com> - 2016-11-12 22:40 +0100

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