| % DOCKER(1) Docker User Manuals |
| % Docker Community |
| % JUNE 2014 |
| # NAME |
| docker-info - Display system-wide information |
| |
| # SYNOPSIS |
| **docker info** |
| [**--help**] |
| |
| |
| # DESCRIPTION |
| 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. |
| |
| # OPTIONS |
| **--help** |
| Print usage statement |
| |
| # EXAMPLES |
| |
| ## Display Docker system information |
| |
| Here is a sample output: |
| |
| # docker info |
| Containers: 14 |
| Images: 52 |
| Storage Driver: aufs |
| Root Dir: /var/lib/docker/aufs |
| Dirs: 80 |
| Execution Driver: native-0.2 |
| Logging Driver: json-file |
| Kernel Version: 3.13.0-24-generic |
| Operating System: Ubuntu 14.04 LTS |
| CPUs: 1 |
| Total Memory: 2 GiB |
| |
| # HISTORY |
| 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> |