github.com/stchris/docker@v1.4.2-0.20150106053530-1510a324dbd5/docs/man/docker-info.1.md (about)

     1  % DOCKER(1) Docker User Manuals
     2  % Docker Community
     3  % JUNE 2014
     4  # NAME
     5  docker-info - Display system-wide information
     6  
     7  # SYNOPSIS
     8  **docker info**
     9  
    10  
    11  # DESCRIPTION
    12  This command displays system wide information regarding the Docker installation.
    13  Information displayed includes the number of containers and images, pool name,
    14  data file, metadata file, data space used, total data space, metadata space used
    15  , total metadata space, execution driver, and the kernel version.
    16  
    17  The data file is where the images are stored and the metadata file is where the
    18  meta data regarding those images are stored. When run for the first time Docker
    19  allocates a certain amount of data space and meta data space from the space
    20  available on the volume where `/var/lib/docker` is mounted.
    21  
    22  # OPTIONS
    23  There are no available options.
    24  
    25  # EXAMPLES
    26  
    27  ## Display Docker system information
    28  
    29  Here is a sample output:
    30  
    31      # docker info
    32      Containers: 14
    33      Images: 52
    34      Storage Driver: aufs
    35       Root Dir: /var/lib/docker/aufs
    36       Dirs: 80
    37      Execution Driver: native-0.2
    38      Kernel Version: 3.13.0-24-generic
    39      Operating System: Ubuntu 14.04 LTS
    40      CPUs: 1
    41      Total Memory: 2 GiB
    42  
    43  # HISTORY
    44  April 2014, Originally compiled by William Henry (whenry at redhat dot com)
    45  based on docker.com source material and internal work.
    46  June 2014, updated by Sven Dowideit <SvenDowideit@home.org.au>