[OE-core] Setting a a fixed resolv.conf file in OE built image

[Philip Balister]

On 12/16/2014 12:06 PM, Saul Wold wrote:
> On 12/16/2014 08:55 AM, Philip Balister wrote:
>> On 12/16/2014 11:40 AM, Khem Raj wrote:
>>>
>>>> On Dec 16, 2014, at 7:12 AM, Philip Balister <philip at balister.org>
>>>> wrote:
>>>>
>>>> Any tips on how to do this the right way? It seems like fixed
>>>> resolv.conf's are no longer fashionable and the volatile.cache script
>>>> goes to great lengths to reset it.
>>>>
>>>> Adding a dns-nameserver entry in the interfaces file never makes it to
>>>> resolv.conf. I tried installing the resolvconf package and played with
>>>> it, but no joy. This package also appears to have some issues with
>>>> missing pieces.
>>>
>>> depends a lot on what package combination you are using. If its
>>> systemd and you
>>> are using systemd-resolved then it generates resolve.conf in /run/
>>> and symlink
>>> in /etc/ gets the job done. if its udhcpc then it will populate the
>>> one in /etc
>>> and it will take interfaces file in /etc into consideration
>>
>> Yeah, but this is an image built by adding packages to core-image. No
>> systemd or other network managers. It feels like just adding the
>> dns-nameserver line to interfaces should work, but something appears to
>> not re-populate resolv.conf after it is wiped at boot.
>>
> I recently sent some patches to this area, dealing with all the dhcp
> clients and resolvconf package.

I did a test with core-image-minimal built for the zedboard and can
confirm that I know see the expected behavior. Setting dns-nameserver in
the interfaces file leads to a populated resolv.conf file.

Thanks Saul!

Philip



> 
> Can you enumerate which networking tools you have installed, if you are
> not using any network manager or dhcp client and relying on a static
> dns-nameserver entry, you might need resolvconf if you are not using it.
> 
> Also which version of oe-core meta-data are you using?
> 
> Sau!
> 
>> Philip
>>
>>>
>>>>
>>>> I'll file bugs, but until I can figure out how it is suposed to work,
>>>> any bug I file is going to be pretty vague.
>>>>
>>>> This really should be easier.
>>>>
>>>> Philip
>>>> -- 
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>>>
>>>
>>>
> 
>