% DOCKER(1) Docker User Manuals % Docker Community % JUNE 2014
docker-info - Display system-wide information
docker info [--help]
This command displays system wide information regarding the Docker installation. Information displayed includes the number of containers and images, pool name, data file, metadata file, data space used, total data space, metadata space used , total metadata space, execution driver, and the kernel version.
The data file is where the images are stored and the metadata file is where the meta data regarding those images are stored. When run for the first time Docker allocates a certain amount of data space and meta data space from the space available on the volume where /var/lib/docker
is mounted.
--help Print usage statement
Here is a sample output:
# docker info Containers: 14 Running: 3 Paused: 1 Stopped: 10 Images: 52 Server Version: 1.9.0 Storage Driver: aufs Root Dir: /var/lib/docker/aufs Dirs: 80 Execution Driver: native-0.2 Logging Driver: json-file Plugins: Volume: local Network: bridge null host Kernel Version: 3.13.0-24-generic Operating System: Ubuntu 14.04 LTS OSType: linux Architecture: x86_64 CPUs: 1 Total Memory: 2 GiB
April 2014, Originally compiled by William Henry (whenry at redhat dot com) based on docker.com source material and internal work. June 2014, updated by Sven Dowideit SvenDowideit@home.org.au