docker-info(1) 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.


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Display Docker system information

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
Cgroup Driver: cgroupfs
 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
Name: docker
Docker Root Dir: /var/lib/docker
Debug mode (client): false
Debug mode (server): false
Username: xyz


April 2014, Originally compiled by William Henry (whenry at redhat dot com) based on source material and internal work. June 2014, updated by Sven Dowideit <[email protected]>