info

  • 用法
  1. Usage: docker info [OPTIONS]
  3. Display system-wide information
  5.   --help=false       Print usage
  • 例子
  1. $ sudo docker -D info
  2. Containers: 6
  3. Images: 30
  4. Storage Driver: devicemapper
  5.  Pool Name: docker-8:3-28326-pool
  6.  Pool Blocksize: 65.54 kB
  7.  Backing Filesystem: xfs
  8.  Data file: /dev/loop0
  9.  Metadata file: /dev/loop1
  10.  Data Space Used: 1.37 GB
  11.  Data Space Total: 107.4 GB
  12.  Data Space Available: 44.49 GB
  13.  Metadata Space Used: 2.245 MB
  14.  Metadata Space Total: 2.147 GB
  15.  Metadata Space Available: 2.145 GB
  16.  Udev Sync Supported: true
  17.  Deferred Removal Enabled: false
  18.  Data loop file: /var/lib/docker/devicemapper/devicemapper/data
  19.  Metadata loop file: /var/lib/docker/devicemapper/devicemapper/metadata
  20.  Library Version: 1.02.93-RHEL7 (2015-01-28)
  21. Execution Driver: native-0.2
  22. Logging Driver: json-file
  23. Kernel Version: 3.10.0-229.el7.x86_64
  24. Operating System: CentOS Linux 7 (Core)
  25. CPUs: 1
  26. Total Memory: 979.7 MiB
  27. Name: localhost.localdomain
  28. ID: PRVB:3SDE:YL4E:JT5P:5BIR:BUC5:PHXI:HG4B:P753:Y2BI:U7OU:YPGC
  • 总结

这个命令在开发者报告Bug时会非常有用，结合docker vesion一起，可以随时使用这个命令把本地的配置信息提供出来，方便Docker的开发者快速定位问题。