docker exec runs a command in a running container. docker exec [OPTIONS] CONTAINER COMMAND [ARG...]
-d | --detach | Detached mode: run command in the background | |
--detach-keys | string | Override the key sequence for detaching a container | |
-e | --env | list | Set environment variables |
--env-file | list | Read in a file of environment variables | |
-i | --interactive | Keep STDIN open even if not attached | |
--privileged | Give extended privileges to the command | ||
-t | --tty | Allocate a pseudo-TTY | |
-u | --user | string | Username or UID (format: <name|uid>[:<group|gid>]) |
-w | --workdir | string | Working directory inside the container |
-t and -i to start an interactive shell in a container: $ docker exec -it ora23c /usr/bin/bash