[Users] Dns resolution failure..

Jonathan Lambert j at firebright.com
Wed Jun 14 18:20:12 EDT 2006


We'd still like to know what's causing this, if anyone has a clue!

We're moving the account over to XEN 3.0 in the meantime, as we just can't
find the problem and the customer account has been down several days. ;(

I'm totally bummed.  This is weirdness!

Jonathan


On 6/14/06 2:25 AM, "Aaron Stewart" <aaron at firebright.com> wrote:

> Right.  nsswitch is unmodified, and its set up for files dns as you have
> below.
> 
> Still no resolution.  I figured it's probably some issue with the system
> gethostbyname() call, but I can't figure for the life of me what could
> cause it.
> 
> Thanks,
> -=Aaron
> 
> Roman Kagan wrote:
>> On Tue, Jun 13, 2006 at 11:14:05AM -0700, Aaron Stewart wrote:
>>   
>>> What's bugging me (and I can't wrap my brain around it) is that we can ping
>>> the outside world, wget to IP addresses, and ssh into external hosts.  The
>>> only thing that seems to be
>>> failing is DNS at the application level.. Again, nslookup and host both work
>>> without issue.
>>>     
>> 
>> Check that you have 'dns' among the services for 'hosts' map in
>> /etc/nsswitch.conf, e.g.
>> 
>> # grep hosts /etc/nsswitch.conf
>> hosts:  files dns
>> 
>> The point is that 'nslookup' and 'host' do DNS lookups (only) while the
>> applications use (through standard libc functions) whatever is
>> configured for NSS (Name Service Switch).
>> 
>> Roman.
>>   
> 
> _______________________________________________
> Users mailing list
> Users at openvz.org
> https://openvz.org/mailman/listinfo/users

-- 





More information about the Users mailing list