CODEWITHSUNDEEP
docker
tdbui22
tdbui22

Reputation: 347

Docker: Attaching to detached container

I'm trying to attach to a detached container but it seems to freeze and I have to ctrl-c to get back to the shell.

I start my container with this

sudo docker run -d -t  mysql /bin/bash

and when I try to attach it with

sudo docker attach <id>

it does nothing but hold onto my shell session.

However, if I start my container with interactive

sudo docker run -i -t  mysql /bin/bash

and ctrl-p/q to exit and then attach with the command above it works perfectly fine.

Is there something I am doing wrong?

Thanks

Upvotes: 1

Views: 1051

Answers (1)

user2915097
user2915097

Reputation: 32156

with -d your container runs detached in the background. If you want to interact with it, connect inside this container with docker exec, or as you have noticed, run not detached but with -i -t

If I start it in interactive mode and ctrl-p/q, does that put it into detach mode?

No, check the doc docs.docker.com/articles/basics/#running-an-interactive-shel‌​l, extract "o detach the tty without exiting the shell, # use the escape sequence Ctrl-p + Ctrl-q", -t -i means running an interactive container, with a TTY and capture STDIN

Upvotes: 3

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