[sf-lug] resolver problem in Fedora

Mon Nov 22 07:33:59 PST 2010

Kind of a long shot (since most people don't mess with it) is
/etc/nsswitch.conf different? 

(a_kleider at yahoo.com - Mon, Nov 22, 2010 at 07:10:46AM -0800)
>    Good point. I should have mentioned it: /etc/resolv.conf are the same (# Generated by NetworkManager) on both the Ubuntu (working) and the Fedora (not
>    working) machines.
> 
>    a_kleider at yahoo.com
> 
>    --- On Sun, 11/21/10, Nathan Hoover <nathan at foo-o-rama.com> wrote:
> 
>      From: Nathan Hoover <nathan at foo-o-rama.com>
>      Subject: Re: [sf-lug] resolver problem in Fedora
>      To: alex at kleico.net
>      Cc: sf-lug at linuxmafia.com
>      Date: Sunday, November 21, 2010, 7:21 PM
> 
>      The difference between your ssh and dig is that with the dig, you're telling it where to go to resolve the name. Is the /etc/resolv.conf correct on the
>      Fedora boxes?
>      N
> 
>      On Sun, Nov 21, 2010 at 7:09 PM, Alex Kleider <[1]a_kleider at yahoo.com> wrote:
> 
>        DNS Quandry
> 
>        I am experiencing a most perplexing and seemingly inconsistent problem with url to IP address resolution that might interest (some) list member(s).
>        I "administer" two home networks.
>        One is in DockTown in Redwood City where DNS services are provided by unbound running on a SheevaPlug and here everything works as you'd expect it
>        should. (I should acknowledge here that I was able to accomplish this only because of advice provide on this list by Rick Moen.)
>        The other is in Bolinas where a consumer grade router (Netopia) is providing the service. (I hope in the not too distant future to get a plug going
>        here as well.)
>        Users include (amongst others) an Ubuntu and two Fedora laptops. All is well in Redwood City. In Bolinas however, only the Ubuntu machine works
>        properly. Both Fedora laptops are unable to resolve.
>        But it's even more mysterious because these same fedora machines CAN ping and they can dig while in Bolinas, but neither ssh nor firefox can resolve.
>        How can this be????
>        As a ps, I'll add the code snippets to show what I mean about dig working but ssh not. (the Netopia router is at IP address 10.0.0.2; alex at zar is an
>        Ubuntu laptop, mike at ee is a fedora laptop, another fedora laptop behaves the same way; a MacBookPro laptop and a M$Windows laptop have no problems)
>        I have to assume this is somehow a bug in the Fedora distro but I can't understand how ping and dig can resolve, without other programs being able to
>        do so.
>        cheers,
>        alex
>        p.s.
> 
>        # mike at ee is on a Fedora 14 laptop:
> 
>        [mike at ee ~]$ dig [2]kleico.net @[3]10.0.0.2 +short
>        76.191.206.83
> 
>        [mike at ee ~]$ ssh [4]alex at kleico.net
>        ssh: Could not resolve hostname [5]kleico.net: Name or service not known
>        [mike at ee ~]$
> 
>        ##########################################################################
> 
>        # alex at zar is on an Ubuntu 10.10 laptop:
> 
>        alex at zar:~$ dig [6]kleico.net @[7]10.0.0.2 +short
>        76.191.206.83
> 
>        alex at zar:~$ ssh [8]alex at kleico.net
>        Linux plug 2.6.32-trunk-kirkwood #1 Mon Jan 11 10:57:12 UTC 2010 armv5tel
> 
>        The programs included with the Debian GNU/Linux system are free software;
>        the exact distribution terms for each program are described in the
>        individual files in /usr/share/doc/*/copyright.
> 
>        Debian GNU/Linux comes with ABSOLUTELY NO WARRANTY, to the extent
>        permitted by applicable law.
>        You have new mail.
>        Last login: Sat Nov 20 12:50:33 2010 from [9]76-191-205-213.dsl.dynamic.sonic.net
>        alex at plug:~$
> 
>        [10]a_kleider at yahoo.com
> 
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> References
> 
>    Visible links
>    1. file:///mc/compose?to=a_kleider@yahoo.com
>    2. http://kleico.net/
>    3. http://10.0.0.2/
>    4. file:///mc/compose?to=alex@kleico.net
>    5. http://kleico.net/
>    6. http://kleico.net/
>    7. http://10.0.0.2/
>    8. file:///mc/compose?to=alex@kleico.net
>    9. http://76-191-205-213.dsl.dynamic.sonic.net/
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