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Docker: Use host-network on docker container

If running a docker-container you have a network of your own per container. If you want to use the host-system's network instead you can use the --net=host option.

In this sample you call the docker containers arangodb arangoimp-call and connect with which would not be possible if not using --net=host e.g.:

sudo docker run --net=host --rm --volumes-from arangodb-data_3.0 \
    -v $(pwd):/backup arangodb:3.0.4 /usr/bin/arangoimp \
    --server.endpoint tcp:// --server.database pwatch \
    --server.username uname --server.password pass
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Docker Bash

How to connect to a docker shell of an running docker-container

$ sudo docker exec -i -t 665b4a1e17b6 /bin/bash #by ID or $ sudo docker exec -i -t loving_heisenberg /bin/bash #by Name $ root@665b4a1e17b6:/#

If you want to get on the CLI of an running docker-container just use docker's exec command.

sudo docker

  • by-name:

  • First list all running containers:

    sudo docker ps

This will result in something like this: docker ps

Now you can call the container's bash-exe and you get on the CLI. You can do this by name or by container-id

  • by name

    sudo docker exec -i -t arangodb-server /bin/bash
  • by container-id

    sudo docker exec -i -t 8fd98d632eb2 /bin/bash
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