4-Docker命令之docker exec
1.docker exec介绍
docker exec命令是用来在运行中的容器运行命令
2.docker exec用法
docker exec [参数]
[root@centos79 ~]# docker exec --help
Usage: docker exec [OPTIONS] CONTAINER COMMAND [ARG...]
Execute a command in a running container
Aliases:
docker container exec, docker exec
Options:
-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
[root@centos79 ~]#