[PVE-User] Unable to install docker image inside LXC

[Elias Werberich]

Okay, it is possible to run Docker in LXC.
You have to disable some security features so Docker can access needed
devices.

But if you go this way, it is easier to install Docker on PVE itself -
it is more or less the same.

Proxmox Forums:
https://forum.proxmox.com/threads/running-docker-inside-lxc.24858/

Regards,

Elias Werberich

Am 27.06.2017 um 16:48 schrieb Gilberto Nunes:
> This is so sad!
> With LXC my server doesn´t pain to run 2 containers both with 2 G of memory
> ( each one).
> The memory available in my home server is 8 GB..
> When run only containers, the iostat show me server has a light load...
> But when run KVM, load goes high...
> Are you guys sure there is no way to run docker inside LXC???
>
> I ask just to be sure...
>
> 2017-06-27 11:02 GMT-03:00 Gilberto Nunes <gilberto.nunes32 at gmail.com>:
>
>> Well... My previously app running in dock was installed inside KVM, but I
>> migrate both servers to LXC.
>> One of them use Docker... So I will return the docker machine to KVM
>> again....
>>
>> Thanks
>>
>>
>> 2017-06-27 10:32 GMT-03:00 Elias Werberich <elias at werberich.de>:
>>
>>> No, it does not. Docker uses more or less the same techniques as LXC/LXD.
>>>
>>> I guess you want to spin up a service which is provided as a docker
>>> container. Simply create an Alpine Linux KVM (with virt-Kernel) and install
>>> the Docker Engine on it. Than you can deploy your service with a really
>>> minimal overhead.
>>>
>>> Regards,
>>>
>>> Elias Werberich
>>>
>>>
>>>
>>> On June 27, 2017 15:12:04 Dietmar Maurer <dietmar at proxmox.com> wrote:
>>>
>>> I don't think docker works inside LXC.
>>>> On June 27, 2017 at 2:28 PM Gilberto Nunes <gilberto.nunes32 at gmail.com>
>>>>> wrote:
>>>>>
>>>>>
>>>>> Hi list
>>>>>
>>>>> I am trying install collabora code inside LXC with Ubuntu 16.04, but no
>>>>> matter I run the command inside or outside the container, I get the
>>>>> errot
>>>>> bellow:
>>>>>
>>>>> lxc-attach -n 103 -- docker pull collabora/code
>>>>> Using default tag: latest
>>>>> latest: Pulling from collabora/code
>>>>> bd97b43c27e3: Extracting
>>>>> [==================================================>] 46.93 MB/46.93 MB
>>>>> 6960dc1aba18: Download complete
>>>>> 2b61829b0db5: Download complete
>>>>> 1f88dc826b14: Download complete
>>>>> 73b3859b1e43: Download complete
>>>>> 2cb7a8fe8de9: Download complete
>>>>> 2458b914d686: Download complete
>>>>> 9e1750234528: Download complete
>>>>> failed to register layer: ApplyLayer exit status 1 stdout:  stderr:
>>>>> permission denied
>>>>>
>>>>> Somebody can help me, please???
>>>>>
>>>>> Thanks a lot
>>>>>
>>>>> --
>>>>> <https://about.me/gilbertof?promo=email_sig&utm_source=produ
>>>>> ct&utm_medium=email_sig&utm_campaign=gmail_api&utm_content=thumb>
>>>>> Gilberto Ferreira
>>>>> about.me/gilbertof
>>>>> <https://about.me/gilbertof?promo=email_sig&utm_source=produ
>>>>> ct&utm_medium=email_sig&utm_campaign=gmail_api&utm_content=thumb>
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>>
>>
>> --
>>
>> <https://about.me/gilbertof?promo=email_sig&utm_source=product&utm_medium=email_sig&utm_campaign=gmail_api&utm_content=thumb>
>> Gilberto Ferreira
>> about.me/gilbertof
>> <https://about.me/gilbertof?promo=email_sig&utm_source=product&utm_medium=email_sig&utm_campaign=gmail_api&utm_content=thumb>
>>
>
>