访问容器的方式 —— docker attach/exec

2017-12-09 tech docker 2 mins 1002 字

进入容器默认运行的session：

docker attach $pid

 Usage:  docker attach [OPTIONS] CONTAINER
	
 Attach to a running container
	
 Options:
  --detach-keys string   Override the key sequence for detaching a container
  --help                 Print usage
  --no-stdin             Do not attach STDIN
  --sig-proxy            Proxy all received signals to the process (default true)

进入容器环境并运行新的命令：

docker exec -it $pid /bin/bash // 对指定的容器执行bash

 docker exec --help
	
 Usage:  docker exec [OPTIONS] CONTAINER COMMAND [ARG...]
	
 Run a command in a running container
	
  -d, --detach         Detached mode: run command in the background
   --detach-keys        Override the key sequence for detaching a container
   --help               Print usage
   -i, --interactive    Keep STDIN open even if not attached
   --privileged         Give extended privileges to the command
   -t, --tty            Allocate a pseudo-TTY
   -u, --user           Username or UID (format: <name|uid>[:<group|gid>])