github.com/vincentwoo/docker@v0.7.3-0.20160116130405-82401a4b13c0/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 [**--help**] 10 11 12 # DESCRIPTION 13 This command displays system wide information regarding the Docker installation. 14 Information displayed includes the number of containers and images, pool name, 15 data file, metadata file, data space used, total data space, metadata space used 16 , total metadata space, execution driver, and the kernel version. 17 18 The data file is where the images are stored and the metadata file is where the 19 meta data regarding those images are stored. When run for the first time Docker 20 allocates a certain amount of data space and meta data space from the space 21 available on the volume where `/var/lib/docker` is mounted. 22 23 # OPTIONS 24 **--help** 25 Print usage statement 26 27 # EXAMPLES 28 29 ## Display Docker system information 30 31 Here is a sample output: 32 33 # docker info 34 Containers: 14 35 Running: 3 36 Paused: 1 37 Stopped: 10 38 Images: 52 39 Server Version: 1.9.0 40 Storage Driver: aufs 41 Root Dir: /var/lib/docker/aufs 42 Dirs: 80 43 Execution Driver: native-0.2 44 Logging Driver: json-file 45 Plugins: 46 Volume: local 47 Network: bridge null host 48 Kernel Version: 3.13.0-24-generic 49 Operating System: Ubuntu 14.04 LTS 50 OSType: linux 51 Architecture: x86_64 52 CPUs: 1 53 Total Memory: 2 GiB 54 55 # HISTORY 56 April 2014, Originally compiled by William Henry (whenry at redhat dot com) 57 based on docker.com source material and internal work. 58 June 2014, updated by Sven Dowideit <SvenDowideit@home.org.au>