Very Computer

Any attempt to ping any site on the internet fails after about a minute with
a hostname not found message.  However, I *can* reach any remote site I want
as long as I know its IP address.  Clearly this is a name resolver problem rather
than a connectivity problem.

To make things highly weird, the host(1) command works fine.

Any ideas on how to approach this?  Is the problem caused by lack of domain
name or search list in resolv.conf?

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  Two debugging tools (see man for both) ,
-  tcpdump with -vv option should show dns query flowing (and where to).
-  strace the ping or host or whatever to see what it looks in and
   what it tries to talk to.        

   asnd no I cant count :-)

Hope you fix it soon,

Steve Houseman

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currently  :                     | for strace afficionados, an annotator see -
steve at houseman demon co uk    | http://www.houseman.demon.co.uk/          

The really frustrating part is that the windoze boxes in the house are
having no problems at all.

Quote:>  Two debugging tools (see man for both) ,
>-  tcpdump with -vv option should show dns query flowing (and where to).

Quote:>-  strace the ping or host or whatever to see what it looks in and
>   what it tries to talk to.        

Thanx, I'll try that too.

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http://www.veryComputer.com/;      #**************F******!******!*!!****
and read 12 Simple Things You Can Do       ******!***************************#**
to Save the Internet                       **#******#*********!**WW*W**WW*****

If you dont have nis, then I would remove the nisplus entry ...
it will try to get info via nis , before trying dns ... is that what
you want?                                                

if you dont track it down with the other stuff (although I think
tcpdump should show whats going on) , stick your strace file for ping
on the web and post a url.
(strace -o/tmp/dbin -f -F -tt ping <wherever>
not that I think it will fork ... but who knows))            

Cheers,

Steve Houseman

--

currently  :                     | for strace afficionados, an annotator see -
steve at houseman demon co uk    | http://www.houseman.demon.co.uk/          

Quote:> Already tried it; couldn't make any sense out of what I was seeing.  The
> ping simply made a call to poll() and didn't come back.  I may actually go

Quote:> so far as to load up the source code and try to run it in a de*.

Peter