How can I run a ‘docker exec’ command inside a docker container?

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What else can I do to have it working? I hope you find time to update. This also has the advantage that you can start a container from PowerShell and interact with it from Bash, or the other way around — in other words, your computer will still feel just like one machine. Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

For example: docker exec -it bash Of course, whatever command you are running must exist in the container filesystem. It may be to do with the depth of the aufs tree, as it only seems to happen on long dockerfiles. To start an existing container which is stopped docker start To stop a running container docker stop Then to login to the interactive shell of a container docker exec -it bash Some of the answers here are misleading because they concern containers that are running, not stopped.

How can I run a ‘docker exec’ command inside a docker container?

There was a which added to the doc: Note: This command attach is not for running a new process in a container. Exiting out from the container will stop the container. Whereas docker exec bin bash docker exec command you can specify which shell you want to enter into. It will create a new process for bash. Exiting out from the container will not stop the container. You can also use nsenter to enter inside containers. A container is an isolated environment, with some processes running in the environment. When attached in the tty mode, you can detach from the container and leave it running using a configurable key sequence. You configure the key sequence using the --detach-keys option or a configuration file. You can reattach to a detached container with docker attach. While you are inputting in one terminal, you can see it appears in the other terminal, for both terminal are connected to same tty.

Note that this environment variable will only be valid on the current Bash session. Since you specified --rm, the container would be deleted when you exit the shell. I tried to start the machine. I created a container with -d so it's not interactive. Either way, there is a security hole built into docker which can provide full privileges in the host file system from the guest -- regardless of whether you use the docker group or sudo to launch the container. I now wonder why this command does not work in Bash. Is there a work-around or fix to make this command work in Bash? I have that problem too. I need some help please.