Confined Docker snap available

Loïc Minier loic.minier at ubuntu.com
Tue Nov 1 16:06:59 UTC 2016


Hi,

What's the output of snap --version?

Thanks!
- Loïc Minier

On Tue, Nov 1, 2016 at 4:21 AM, Peng Liu <pengliu.mail at gmail.com> wrote:

> Hi Loïc,
>
> I encountered some errors when I tried to connect the interfaces, for
> example:
> ========================================================
> sudo snap connect docker:docker-cli docker:docker-daemon
>
> error: cannot perform the following tasks: - Connect docker:docker-cli to
> docker:docker-daemon (cannot connect plug "docker-cli" from snap "docker",
> no such plug) ========================================================
>
> Then I am not able to run a simple docker command like "docker run --rm
> hello-world"
>
> Did I miss something? Is there anything need to do after installing the
> docker snap?
> Thanks.
>
> Peng
>
> On Tue, Oct 18, 2016 at 6:48 AM, Loïc Minier <loic.minier at ubuntu.com>
> wrote:
>
>> Hi!
>>
>> Docker is since some days available as a properly confined snap. This
>> will work on top of classic Ubuntu 16.04+ or on top of an up-to-date Ubuntu
>> Core series 16.
>>
>> Because the docker.sock path is hardcoded in a lot of images, this snap
>> conflicts with docker debs, so make sure you remove them first:
>> sudo apt purge docker docker-engine
>>
>> Create a system group for docker:
>> sudo groupadd --system docker
>>
>> Install the snap:
>> sudo snap install docker
>>
>> And connect the interfaces (these will go away we have a snap-declaration
>> in place):
>> sudo snap connect docker:docker-cli docker:docker-daemon
>> sudo snap connect docker:firewall-control ubuntu-core:firewall-control
>> sudo snap connect docker:support ubuntu-core:docker-support
>> sudo service snap.docker.dockerd stop
>> sudo service snap.docker.dockerd start
>>
>> You're now ready to use docker, e.g.:
>> sudo /snap/bin/docker run --rm -it hello-world
>> sudo /snap/bin/docker run --rm -it ubuntu
>>
>> At the moment, the Docker snap is available for amd64, armhf, arm64, i386.
>>
>> Docker-compose is also included, and may be used with the
>> "docker.compose" command.
>>
>> Want to read more about docker? Read the Docker snap status and FAQ doc
>> <https://docs.google.com/document/d/1JHa6tkuR9PtpnAVVmAJIAKuyKBy8E9ZkvG5Wbc6HZSY/edit?usp=sharing>
>> !
>>
>> Have fun and please report issues against https://github.com/doc
>> ker-snap/docker
>>
>> Cheers,
>> - Loïc Minier
>>
>> --
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>>
>>
>


-- 
- Loïc
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