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The IndexServerAddress field was as part of the initial Windows implementation of the engine. For legal reasons, Microsoft Windows (and thus Docker images based on Windows) were not allowed to be distributed through non-Microsoft infrastructure. As a temporary solution, a dedicated "registry-win-tp3.docker.io" registry was created to serve Windows images. Currently, this field always shows "https://index.docker.io/v1/", which is confusing, because that address is not used for the registry (only for authentication and "v1" search). docker info ... Registry: https://index.docker.io/v1/ Starting withb4ca1c7368
, this field is also no longer used during authentication, anda3d56e7d06
removed the (deprecated) ElectAuthServer() which was previously used to query it. Given that there's currently no practical use for this information, and it only adds "noise" (and confusion), this patch removes it from the default output. For now, the field is (still) available for those that want to use it; docker info --format '{{.IndexServerAddress}}' https://index.docker.io/v1/ But it won't be printed by default. Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
175 lines
5.4 KiB
Markdown
175 lines
5.4 KiB
Markdown
# info
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<!---MARKER_GEN_START-->
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Display system-wide information
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### Aliases
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`docker system info`, `docker info`
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### Options
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| Name | Type | Default | Description |
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|:---------------------------------------|:---------|:--------|:-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
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| [`-f`](#format), [`--format`](#format) | `string` | | Format output using a custom template:<br>'json': Print in JSON format<br>'TEMPLATE': Print output using the given Go template.<br>Refer to https://docs.docker.com/go/formatting/ for more information about formatting output with templates |
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<!---MARKER_GEN_END-->
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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 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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If a format is specified, the given template will be executed instead of the
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default format. Go's [text/template](https://golang.org/pkg/text/template/) package
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describes all the details of the format.
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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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### Show output
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The example below shows the output for a daemon running on Ubuntu Linux,
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using the `overlay2` storage driver. As can be seen in the output, additional
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information about the `overlay2` storage driver is shown:
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```console
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$ docker info
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Client: Docker Engine - Community
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Version: 24.0.0
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Context: default
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Debug Mode: false
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Plugins:
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buildx: Docker Buildx (Docker Inc.)
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Version: v0.10.4
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Path: /usr/libexec/docker/cli-plugins/docker-buildx
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compose: Docker Compose (Docker Inc.)
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Version: v2.17.2
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Path: /usr/libexec/docker/cli-plugins/docker-compose
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Server:
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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: 23.0.3
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Storage Driver: overlay2
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Backing Filesystem: extfs
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Supports d_type: true
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Using metacopy: false
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Native Overlay Diff: true
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userxattr: false
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Logging Driver: json-file
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Cgroup Driver: systemd
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Cgroup Version: 2
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Plugins:
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Volume: local
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Network: bridge host ipvlan macvlan null overlay
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Log: awslogs fluentd gcplogs gelf journald json-file local logentries splunk syslog
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Swarm: inactive
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Runtimes: io.containerd.runc.v2 runc
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Default Runtime: runc
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Init Binary: docker-init
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containerd version: 2806fc1057397dbaeefbea0e4e17bddfbd388f38
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runc version: v1.1.5-0-gf19387a
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init version: de40ad0
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Security Options:
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apparmor
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seccomp
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Profile: builtin
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cgroupns
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Kernel Version: 5.15.0-25-generic
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Operating System: Ubuntu 22.04 LTS
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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: 4cee4408-10d2-4e17-891c-a41736ac4536
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Docker Root Dir: /var/lib/docker
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Debug Mode: false
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Username: gordontheturtle
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Experimental: false
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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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Live Restore Enabled: false
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```
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### <a name="format"></a> Format the output (--format)
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You can also specify the output format:
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```console
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$ docker info --format '{{json .}}'
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{"ID":"4cee4408-10d2-4e17-891c-a41736ac4536","Containers":14, ...}
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```
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### Run `docker info` on Windows
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Here is a sample output for a daemon running on Windows Server:
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```console
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C:\> docker info
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Client: Docker Engine - Community
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Version: 24.0.0
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Context: default
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Debug Mode: false
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Plugins:
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buildx: Docker Buildx (Docker Inc.)
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Version: v0.10.4
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Path: C:\Program Files\Docker\cli-plugins\docker-buildx.exe
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compose: Docker Compose (Docker Inc.)
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Version: v2.17.2
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Path: C:\Program Files\Docker\cli-plugins\docker-compose.exe
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Server:
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Containers: 1
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Running: 0
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Paused: 0
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Stopped: 1
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Images: 17
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Server Version: 23.0.3
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Storage Driver: windowsfilter
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Logging Driver: json-file
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Plugins:
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Volume: local
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Network: ics internal l2bridge l2tunnel nat null overlay private transparent
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Log: awslogs etwlogs fluentd gcplogs gelf json-file local logentries splunk syslog
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Swarm: inactive
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Default Isolation: process
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Kernel Version: 10.0 20348 (20348.1.amd64fre.fe_release.210507-1500)
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Operating System: Microsoft Windows Server Version 21H2 (OS Build 20348.707)
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OSType: windows
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Architecture: x86_64
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CPUs: 8
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Total Memory: 3.999 GiB
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Name: WIN-V0V70C0LU5P
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ID: 2880d38d-464e-4d01-91bd-c76f33ba3981
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Docker Root Dir: C:\ProgramData\docker
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Debug Mode: false
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Experimental: true
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Insecure Registries:
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myregistry:5000
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127.0.0.0/8
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Registry Mirrors:
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http://192.168.1.2/
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http://registry-mirror.example.com:5000/
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Live Restore Enabled: false
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```
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