docker: SSH access directly into container

Question

Up to now we use several linux users:

• system_foo@server
• system_bar@server
• ...

We want to put the system users into docker cont

Answer 1

nsenter could work for you. First ssh to the host and then nsenter to the container.

PID=$(docker inspect --format {{.State.Pid}} )`
nsenter --target $PID --mount --uts --ipc --net --pid

source http://jpetazzo.github.io/2014/06/23/docker-ssh-considered-evil/