Updated docker-info output and documentation
- [x] Update man page description - [x] Update man page sample output to something more current Tested with: `TESTFLAGS='-check.f DockerSuite.TestInfoEnsureSucceeds*' make test-integration-cli` Signed-off-by: Lucas Chan <lucas-github@lucaschan.com> Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
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Lucas Chan
Tibor Vass
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@ -17,7 +17,27 @@ parent = "smn_cli"
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--help Print usage
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For example:
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This command displays system wide information regarding the Docker installation.
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Information displayed includes the kernel version, number of containers and images.
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The number of images shown is the number of unique images. The same image tagged
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under different names is counted only once.
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Depending on the storage driver in use, additional information can be shown, such
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as pool name, data file, metadata file, data space used, total data space, metadata
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space used, and total metadata space.
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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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# EXAMPLES
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## Display Docker system information
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Here is a sample output for a daemon running on Ubuntu, using the overlay
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storage driver:
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$ docker -D info
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Containers: 14
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@ -25,22 +45,18 @@ For example:
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Paused: 1
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Stopped: 10
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Images: 52
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Server Version: 1.9.0
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Storage Driver: aufs
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Root Dir: /var/lib/docker/aufs
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Server Version: 1.11.1
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Storage Driver: overlay
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Backing Filesystem: extfs
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Dirs: 545
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Dirperm1 Supported: true
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Execution Driver: native-0.2
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Logging Driver: json-file
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Cgroup Driver: cgroupfs
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Plugins:
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Volume: local
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Network: bridge null host
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Kernel Version: 3.19.0-22-generic
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Kernel Version: 4.4.0-21-generic
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Operating System: Ubuntu 16.04 LTS
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OSType: linux
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Architecture: x86_64
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Operating System: Ubuntu 15.04
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CPUs: 24
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Total Memory: 62.86 GiB
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Name: docker
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@ -50,23 +66,72 @@ For example:
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Debug mode (server): true
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File Descriptors: 59
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Goroutines: 159
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System Time: 2015-09-23T14:04:20.699842089+08:00
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System Time: 2016-04-26T10:04:06.14689342-04:00
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EventsListeners: 0
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Init SHA1:
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Init Path: /usr/bin/docker
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Docker Root Dir: /var/lib/docker
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Http Proxy: http://test:test@localhost:8080
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Https Proxy: https://test:test@localhost:8080
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WARNING: No swap limit support
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Http Proxy: http://test:test@localhost:8080
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Https Proxy: https://test:test@localhost:8080
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No Proxy: localhost,127.0.0.1,docker-registry.somecorporation.com
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Username: svendowideit
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Registry: [https://index.docker.io/v1/]
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Registry: https://index.docker.io/v1/
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WARNING: No swap limit support
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Labels:
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storage=ssd
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staging=true
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Insecure registries:
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myinsecurehost:5000
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127.0.0.0/8
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The global `-D` option tells all `docker` commands to output debug information.
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When sending issue reports, please use `docker version` and `docker -D info` to
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ensure we know how your setup is configured.
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The example below shows the output for a daemon running on Red Hat Enterprise Linux,
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using the devicemapper storage driver. As can be seen in the output, additional
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information about the devicemapper storage driver is shown:
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$ docker info
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Containers: 14
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Running: 3
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Paused: 1
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Stopped: 10
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Untagged Images: 52
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Server Version: 1.10.3
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Storage Driver: devicemapper
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Pool Name: docker-202:2-25583803-pool
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Pool Blocksize: 65.54 kB
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Base Device Size: 10.74 GB
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Backing Filesystem: xfs
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Data file: /dev/loop0
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Metadata file: /dev/loop1
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Data Space Used: 1.68 GB
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Data Space Total: 107.4 GB
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Data Space Available: 7.548 GB
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Metadata Space Used: 2.322 MB
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Metadata Space Total: 2.147 GB
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Metadata Space Available: 2.145 GB
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Udev Sync Supported: true
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Deferred Removal Enabled: false
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Deferred Deletion Enabled: false
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Deferred Deleted Device Count: 0
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Data loop file: /var/lib/docker/devicemapper/devicemapper/data
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Metadata loop file: /var/lib/docker/devicemapper/devicemapper/metadata
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Library Version: 1.02.107-RHEL7 (2015-12-01)
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Execution Driver: native-0.2
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Logging Driver: json-file
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Plugins:
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Volume: local
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Network: null host bridge
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Kernel Version: 3.10.0-327.el7.x86_64
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Operating System: Red Hat Enterprise Linux Server 7.2 (Maipo)
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OSType: linux
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Architecture: x86_64
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CPUs: 1
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Total Memory: 991.7 MiB
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Name: ip-172-30-0-91.ec2.internal
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ID: I54V:OLXT:HVMM:TPKO:JPHQ:CQCD:JNLC:O3BZ:4ZVJ:43XJ:PFHZ:6N2S
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Docker Root Dir: /var/lib/docker
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Debug mode (client): false
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Debug mode (server): false
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Username: xyz
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Registry: https://index.docker.io/v1/
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Insecure registries:
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myinsecurehost:5000
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127.0.0.0/8
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@ -11,9 +11,13 @@ docker-info - Display system-wide information
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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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Information displayed includes the kernel version, number of containers and images.
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The number of images shown is the number of unique images. The same image tagged
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under different names is counted only once.
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Depending on the storage driver in use, additional information can be shown, such
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as pool name, data file, metadata file, data space used, total data space, metadata
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space used, and total metadata space.
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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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@ -28,31 +32,96 @@ available on the volume where `/var/lib/docker` is mounted.
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## Display Docker system information
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Here is a sample output:
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Here is a sample output for a daemon running on Ubuntu, using the overlay
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storage driver:
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# docker info
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$ docker -D info
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Containers: 14
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Running: 3
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Paused: 1
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Stopped: 10
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Images: 52
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Server Version: 1.9.0
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Storage Driver: aufs
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Root Dir: /var/lib/docker/aufs
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Dirs: 80
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Execution Driver: native-0.2
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Server Version: 1.11.1
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Storage Driver: overlay
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Backing Filesystem: extfs
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Logging Driver: json-file
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Cgroup Driver: cgroupfs
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Plugins:
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Volume: local
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Network: bridge null host
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Kernel Version: 3.13.0-24-generic
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Operating System: Ubuntu 14.04 LTS
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Kernel Version: 4.4.0-21-generic
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Operating System: Ubuntu 16.04 LTS
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OSType: linux
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Architecture: x86_64
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CPUs: 24
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Total Memory: 62.86 GiB
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Name: docker
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ID: I54V:OLXT:HVMM:TPKO:JPHQ:CQCD:JNLC:O3BZ:4ZVJ:43XJ:PFHZ:6N2S
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Docker Root Dir: /var/lib/docker
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Debug mode (client): true
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Debug mode (server): true
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File Descriptors: 59
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Goroutines: 159
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System Time: 2016-04-26T10:04:06.14689342-04:00
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EventsListeners: 0
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Http Proxy: http://test:test@localhost:8080
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Https Proxy: https://test:test@localhost:8080
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No Proxy: localhost,127.0.0.1,docker-registry.somecorporation.com
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Username: svendowideit
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Registry: https://index.docker.io/v1/
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WARNING: No swap limit support
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Labels:
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storage=ssd
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staging=true
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Insecure registries:
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myinsecurehost:5000
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127.0.0.0/8
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The global `-D` option tells all `docker` commands to output debug information.
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The example below shows the output for a daemon running on Red Hat Enterprise Linux,
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using the devicemapper storage driver. As can be seen in the output, additional
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information about the devicemapper storage driver is shown:
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$ docker info
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Containers: 14
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Running: 3
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Paused: 1
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Stopped: 10
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Untagged Images: 52
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Server Version: 1.10.3
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Storage Driver: devicemapper
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Pool Name: docker-202:2-25583803-pool
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Pool Blocksize: 65.54 kB
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Base Device Size: 10.74 GB
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Backing Filesystem: xfs
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Data file: /dev/loop0
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Metadata file: /dev/loop1
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Data Space Used: 1.68 GB
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Data Space Total: 107.4 GB
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Data Space Available: 7.548 GB
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Metadata Space Used: 2.322 MB
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Metadata Space Total: 2.147 GB
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Metadata Space Available: 2.145 GB
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Udev Sync Supported: true
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Deferred Removal Enabled: false
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Deferred Deletion Enabled: false
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Deferred Deleted Device Count: 0
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Data loop file: /var/lib/docker/devicemapper/devicemapper/data
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Metadata loop file: /var/lib/docker/devicemapper/devicemapper/metadata
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Library Version: 1.02.107-RHEL7 (2015-12-01)
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Execution Driver: native-0.2
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Logging Driver: json-file
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Plugins:
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Volume: local
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Network: null host bridge
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Kernel Version: 3.10.0-327.el7.x86_64
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Operating System: Red Hat Enterprise Linux Server 7.2 (Maipo)
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OSType: linux
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Architecture: x86_64
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CPUs: 1
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Total Memory: 2 GiB
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Name: docker
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Total Memory: 991.7 MiB
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Name: ip-172-30-0-91.ec2.internal
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ID: I54V:OLXT:HVMM:TPKO:JPHQ:CQCD:JNLC:O3BZ:4ZVJ:43XJ:PFHZ:6N2S
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Docker Root Dir: /var/lib/docker
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Debug mode (client): false
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@ -62,7 +131,7 @@ Here is a sample output:
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Insecure registries:
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myinsecurehost:5000
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127.0.0.0/8
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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.com source material and internal work.
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