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% nsinit User Manual % docker/libcontainer % JAN 2015
NAME: nsinit - A low-level utility for managing containers. It is used to spawn new containers or join existing containers.
USAGE: nsinit [global options] command [command options] [arguments...]
VERSION: 0.1
COMMANDS: config display the container configuration exec execute a new command inside a container init runs the init process inside the namespace oom display oom notifications for a container pause pause the container's processes stats display statistics for the container unpause unpause the container's processes help, h shows a list of commands or help for one command
EXAMPLES:
Get the <container_id> of an already running docker container.
sudo docker ps will return the list of all the running containers.
take the <container_id> (e.g. 4addb0b2d307) and go to its config directory
/var/lib/docker/execdriver/native/4addb0b2d307 and here you can run the nsinit
command line utility.
e.g. nsinit exec /bin/bash will start a shell on the already running container.
HISTORY
Jan 2015, Originally compiled by Shishir Mahajan (shishir dot mahajan at redhat dot com) based on nsinit source material and internal work.