[Lxc-users] sudo: unable to resolve host..

[Rintcius Blok]

Created https://bugs.launchpad.net/ubuntu/+source/lxc/+bug/1079794

On 16/11/12 16:43, Stéphane Graber wrote:
> On 11/16/2012 11:32 AM, Rintcius Blok wrote:
>> Yes sure. This is in a container called b.lxc:
>>
>> ubuntu at b:~$ cat /etc/hosts
>> 127.0.0.1 localhost
>>
>> # The following lines are desirable for IPv6 capable hosts
>> ::1 ip6-localhost ip6-loopback
>> fe00::0 ip6-localnet
>> ff00::0 ip6-mcastprefix
>> ff02::1 ip6-allnodes
>> ff02::2 ip6-allrouters
>> ff02::3 ip6-allhosts
>>
>> ubuntu at b:~$ cat /etc/hostname
>> b.lxc
> Ok, so the problem is that you don't have an entry for b.lxc in your
> /etc/hosts.
>
> Add an extra line (below the localhost one):
> 127.0.1.1   b.lxc
>
> This should then silence sudo.
>
> I remember writing code that does that in the ubuntu template, maybe the
> ubuntucloud template is missing that code somehow or the sed magic fails
> for hostnames containing a dot. Would have to check...
>
> Can you file a bug about it at?
> https://launchpad.net/ubuntu/+source/lxc/+filebug
>
> Thanks
>
>> On 16/11/12 14:41, Stéphane Graber wrote:
>>> On 11/16/2012 09:26 AM, Serge Hallyn wrote:
>>>> Quoting Rintcius Blok (rintcius at gmail.com):
>>>>> Hi,
>>>>>
>>>>> I am getting messages like this with every "sudo" I do in the container:
>>>>>
>>>>> "sudo: unable to resolve host test.lxc"
>>>>>
>>>>> It happens with every container I create on 12.10 (with 12.10 container).
>>>>>
>>>>> Reproduction:
>>>>>
>>>>> lxc-create -t ubuntu-cloud -n test.lxc -- --auth-key
>>>>> $HOME/.ssh/id_rsa.pub --userdata /root/my-userdata
>>>>>
>>>>> with a simple userdata file like this:
>>>>>
>>>>> #!/bin/sh
>>>>> ifconfig eth0 > /ifconfig-eth0
>>>>>
>>>>>
>>>>> It is easy to solve for me: just add the container name to /etc/hosts.
>>>>> But I was wondering whether it would make sense to add it in a generic way?
>>>> Hm, I don't get this, either on 12.04 or 12.10.
>>>>
>>>> -serge
>>> Can you attach the content of /etc/hosts and /etc/hostname in the container?
>>>
>>>
>>>
>>>
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>
>
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