docker-exec - Run a command in a running container
]] [ --help
] [ --privileged
] [ -u
Run a process in a running container.
The command started using
docker exec will only run while the container's
primary process (
PID 1) is running, and will not be restarted if the
container is restarted.
If the container is paused, then the
docker exec command will wait until
the container is unpaused, and then run
Detached mode: run command in the background. The default is false
Override the key sequence for detaching a container. Format is a single
is one of:
Print usage statement
Keep STDIN open even if not attached. The default is false
Give the process extended
running in a container. The default is false
Without this flag, the process run by
docker exec in a running container
has the same capabilities as the container, which may be limited. Set
--privileged to give all capabilities to the process.
Allocate a pseudo-TTY. The default is false
Sets the username or UID used and optionally the groupname or GID for the
The followings examples are all valid:
--user [user | user:group | uid | uid:gid | user:gid | uid:group ]
Without this argument the command will be run as root in the container.
option is incompatible with a redirection of the docker client
November 2014, updated by Sven Dowideit