Today Docker Version 1.3 is was released and is available in repositories.
It introduces the new command
exec. It makes tools like nsinit and nsenter obsolete. Entering running container becomes possible with Docker itself and i like this very, very much. Docker’s
exec command allows executing additional process within the container, e.g.
docker exec myContainer -it bash
The example above attaches to the running container “myContainer”. Another new interesting command is docker create
docker create #creates container out of image like docker run, but without running it. So docker run some/image
it is the same like
$CONTAINER_ID=$(docker create -t -i ubuntu bash) docker start -a -i $CONTAINER_ID
P.S. my Docker
docker info #------------ ... Execution Driver: native-0.2 Kernel Version: 3.1.0-1-amd64 Operating System: Debian GNU/Linux 7 (wheezy)