Why am I getting an RTNETLINK Operation Not Permitted when using Pipework with Docker containers?

Question

I\'m running CoreOS stable 494.5.0 using Vagrant/VirtualBox and am running the vanilla ruby:2.1.5 Docker image. I\'m trying to use Pipework to connect the Docker container to a

Answer 1

In your docker-compose.yml you can add this:

container_or_service_name:
  cap_add:
    - NET_ADMIN

Credit where credit is due: this answer is based on a comment by @petrkotek under the accepted answer, but I ended up using it myself, so I wanted to make it more visible.

Answer 2

Docker containers do not have full privileges by default. Try adding this to the docker run command:

--cap-add=NET_ADMIN

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