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46 lines
1.5 KiB
Markdown
46 lines
1.5 KiB
Markdown
% DOCKER(1) Docker User Manuals
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% William Henry
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% APRIL 2014
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# NAME
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docker-info - Display system wide information
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# SYNOPSIS
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**docker info**
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# DESCRIPTION
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This command displays system wide information regarding the Docker installation.
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Information displayed includes the number of containers and images, pool name,
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data file, metadata file, data space used, total data space, metadata space used
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, total metadata space, execution driver, and the kernel version.
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The data file is where the images are stored and the metadata file is where the
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meta data regarding those images are stored. When run for the first time Docker
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allocates a certain amount of data space and meta data space from the space
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available on the volume where `/var/lib/docker` is mounted.
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# OPTIONS
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There are no available options.
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# EXAMPLES
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## Display Docker system information
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Here is a sample output:
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# docker info
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Containers: 18
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Images: 95
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Storage Driver: devicemapper
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Pool Name: docker-8:1-170408448-pool
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Data file: /var/lib/docker/devicemapper/devicemapper/data
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Metadata file: /var/lib/docker/devicemapper/devicemapper/metadata
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Data Space Used: 9946.3 Mb
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Data Space Total: 102400.0 Mb
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Metadata Space Used: 9.9 Mb
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Metadata Space Total: 2048.0 Mb
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Execution Driver: native-0.1
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Kernel Version: 3.10.0-116.el7.x86_64
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# HISTORY
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April 2014, Originally compiled by William Henry (whenry at redhat dot com)
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based on docker.io source material and internal work.
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