docker exec¶

Usage:

// 在一运行的容器内运行一个命令
// Run a command in a running container
docker exec [OPTIONS] CONTAINER COMMAND [ARG...]

实例:

// 缺少i: 无法输入任何命令
// 缺少t: 命令提示符不会显示,且一些命令会提示TERM变量没有设置
$ docker exec -it gordon-container bash

// 以root用户操作
$ docker exec -u root -it gordon-container bash

// 不必进入容器，让dokcer执行指定命令
docker exec -it xxxxx echo "hello world"

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
-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