docker-container-exec man page

docker-container-exec — Run a command in a running container


docker container exec [Options] CONTAINER COMMAND [ARG...]


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


privileged gives the process extended Linux capabilities ⟨⟩ when running in a container.

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.


user sets the username or UID used and optionally the groupname or GID for the specified command.

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.


-d, --detach[=false]

Detached mode: run command in the background


Override the key sequence for detaching a container

-e, --env=

Set environment variables

-h, --help[=false]

help for exec

-i, --interactive[=false]

Keep STDIN open even if not attached


Give extended privileges to the command

-t, --tty[=false]

Allocate a pseudo-TTY

-u, --user=""

Username or UID (format: <name|uid>[:<group|gid>])

-w, --workdir=""

Working directory inside the container

See Also


Referenced By


Aug 2018 Docker Community