docker: Error response from daemon: No command specified.

This error occurs when you try to run a Docker command without specifying the command itself. Docker expects a command to be provided after the initial "docker" keyword. For example, to run a container, you need to specify the "run" command followed by the necessary options and arguments.

Here's an example of a valid Docker command to run a container:

docker run <options> <image>

Make sure you replace `<options>` with any necessary flags or settings, and `<image>` with the name or ID of the Docker image you want to run.

If you're still experiencing issues, please provide more details about the specific Docker command you're trying to run and any relevant error messages.