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Co-authored-by: Tom Sweeney <tsweeney@redhat.com> Signed-off-by: Daniel J Walsh <dwalsh@redhat.com>
248 lines
11 KiB
Markdown
248 lines
11 KiB
Markdown
% podman-images 1
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## NAME
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podman\-images - List images in local storage
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## SYNOPSIS
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**podman images** [*options*] [image]
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**podman image list** [*options*] [image]
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**podman image ls** [*options*] [image]
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## DESCRIPTION
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Displays locally stored images, their names, and their IDs.
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## OPTIONS
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#### **--all**, **-a**
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Show all images (by default filter out the intermediate image layers). The default is false.
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#### **--digests**
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Show image digests
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#### **--filter**, **-f**=*filter*
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Provide filter values.
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The *filters* argument format is of `key=value` or `key!=value`. If there is more than one *filter*, then pass multiple OPTIONS: **--filter** *foo=bar* **--filter** *bif=baz*.
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Supported filters:
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| Filter | Description |
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|:------------:|-----------------------------------------------------------------------------------------------|
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| id | Filter by image ID. |
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| before | Filter by images created before the given IMAGE (name or tag). |
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| containers | Filter by images with a running container. |
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| dangling | Filter by dangling (unused) images. |
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| digest | Filter by digest. |
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| intermediate | Filter by images that are dangling and have no children |
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| label | Filter by images with (or without, in the case of label!=[...] is used) the specified labels. |
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| manifest | Filter by images that are manifest lists. |
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| readonly | Filter by read-only or read/write images. |
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| reference | Filter by image name. |
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| after/since | Filter by images created after the given IMAGE (name or tag). |
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| until | Filter by images created until the given duration or time. |
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The `id` *filter* accepts the image ID string.
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The `before` *filter* accepts formats: `<image-name>[:<tag>]`, `<image id>` or `<image@digest>`.
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The `containers` *filter* shows images that have a running container based on that image.
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The `dangling` *filter* shows images that are taking up disk space and serve no purpose. Dangling image is a file system layer that was used in a previous build of an image and is no longer referenced by any image. They are denoted with the `<none>` tag, consume disk space and serve no active purpose.
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The `digest` *filter* accepts the image digest string.
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The `intermediate` *filter* shows images that are dangling and have no children.
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The `label` *filter* accepts two formats. One is the `label`=*key* or `label`=*key*=*value*, which shows images with the specified labels. The other format is the `label!`=*key* or `label!`=*key*=*value*, which shows images without the specified labels.
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The `manifest` *filter* shows images that are manifest lists.
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The `readonly` *filter* shows, as a default, both read-only and read/write images. Read-only images can be configured by modifying the `additionalimagestores` in the `/etc/containers/storage.conf` file.
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The `reference` *filter* accepts the pattern of an image reference `<image-name>[:<tag>]`.
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The `after` or `since` *filter* accepts formats: `<image-name>[:<tag>]`, `<image id>` or `<image@digest>`.
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The `until` *filter* accepts formats: golang duration, RFC3339 time, or a Unix timestamp and shows all images that are created until that time.
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#### **--format**=*format*
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Change the default output format. This can be of a supported type like 'json'
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or a Go template.
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Valid placeholders for the Go template are listed below:
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| **Placeholder** | **Description** |
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|-----------------|------------------------------------------------------------|
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| .Containers | Number of containers using this image |
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| .Created | Elapsed time since the image was created |
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| .CreatedAt | Time when the image was created, YYYY-MM-DD HH:MM:SS +nnnn |
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| .CreatedSince | Same as .Created |
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| .CreatedTime | Same as .CreatedAt |
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| .Dangling | Same as .IsDangling |
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| .Digest | Image digest |
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| .History | History of the image layer |
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| .ID | Image ID (truncated) |
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| .Id | Image ID (full SHA) |
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| .IsDangling | Is image dangling? (true/false) |
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| .IsReadOnly | Is unage read-only? (true/false) |
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| .Labels ... | map[] of labels |
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| .Names | Image FQIN |
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| .ParentId | Full SHA of parent image ID, or null (string) |
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| .ReadOnly | Same as .IsReadOnly |
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| .RepoDigests | map[] of zero or more repo/name@sha256:SHA strings |
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| .Repository | Image repository |
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| .RepoTags | map[] of zero or more FQIN strings for this image |
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| .SharedSize | Always seems to be 0 |
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| .Size | Size of layer on disk (human-friendly string) |
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| .Tag | Image tag |
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| .VirtualSize | Size of layer on disk (bytes) |
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#### **--history**
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Display the history of image names. If an image gets re-tagged or untagged, then the image name history gets prepended (latest image first). This is especially useful when undoing a tag operation or an image does not contain any name because it has been untagged.
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#### **--no-trunc**
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Do not truncate the output (default *false*).
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@@option noheading
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#### **--quiet**, **-q**
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Lists only the image IDs.
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#### **--sort**=*sort*
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Sort by *created*, *id*, *repository*, *size* or *tag* (default: **created**)
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## EXAMPLE
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List all non-dangling images in local storage:
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```
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$ podman images
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REPOSITORY TAG IMAGE ID CREATED SIZE
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quay.io/podman/stable latest e0b7dabc3352 22 hours ago 331 MB
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docker.io/library/alpine latest 9c6f07244728 5 days ago 5.83 MB
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registry.fedoraproject.org/fedora latest 2ecb6df95994 3 weeks ago 169 MB
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quay.io/libpod/testimage 20220615 f26aa69bb3f3 2 months ago 8.4 MB
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```
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List all images matching the specified name:
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```
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$ podman images stable
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REPOSITORY TAG IMAGE ID CREATED SIZE
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quay.io/podman/stable latest e0b7dabc3352 22 hours ago 331 MB
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```
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List image ids of all images in containers storage:
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```
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# podman image ls --quiet
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e3d42bcaf643
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ebb91b73692b
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4526339ae51c
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```
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List all images without showing the headers:
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```
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# podman images --noheading
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docker.io/kubernetes/pause latest e3d42bcaf643 3 years ago 251 kB
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<none> <none> ebb91b73692b 4 weeks ago 27.2 MB
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docker.io/library/ubuntu latest 4526339ae51c 6 weeks ago 126 MB
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```
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List all images without truncating output:
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```
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# podman image list --no-trunc
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REPOSITORY TAG IMAGE ID CREATED SIZE
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docker.io/kubernetes/pause latest sha256:e3d42bcaf643097dd1bb0385658ae8cbe100a80f773555c44690d22c25d16b27 3 years ago 251 kB
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<none> <none> sha256:ebb91b73692bd27890685846412ae338d13552165eacf7fcd5f139bfa9c2d6d9 4 weeks ago 27.2 MB
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docker.io/library/ubuntu latest sha256:4526339ae51c3cdc97956a7a961c193c39dfc6bd9733b0d762a36c6881b5583a 6 weeks ago 126 MB
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```
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List all image content with the formatted content:
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```
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# podman images --format "table {{.ID}} {{.Repository}} {{.Tag}}"
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IMAGE ID REPOSITORY TAG
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e3d42bcaf643 docker.io/kubernetes/pause latest
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ebb91b73692b <none> <none>
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4526339ae51c docker.io/library/ubuntu latest
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```
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List any image that is not tagged with a name (dangling):
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```
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# podman images --filter dangling=true
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REPOSITORY TAG IMAGE ID CREATED SIZE
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<none> <none> ebb91b73692b 4 weeks ago 27.2 MB
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```
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List all images in JSON format:
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```
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# podman images --format json
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[
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{
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"id": "e3d42bcaf643097dd1bb0385658ae8cbe100a80f773555c44690d22c25d16b27",
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"names": [
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"docker.io/kubernetes/pause:latest"
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],
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"digest": "sha256:0aecf73ff86844324847883f2e916d3f6984c5fae3c2f23e91d66f549fe7d423",
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"created": "2014-07-19T07:02:32.267701596Z",
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"size": 250665
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},
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{
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"id": "ebb91b73692bd27890685846412ae338d13552165eacf7fcd5f139bfa9c2d6d9",
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"names": [
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"\u003cnone\u003e"
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],
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"digest": "sha256:ba7e4091d27e8114a205003ca6a768905c3395d961624a2c78873d9526461032",
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"created": "2017-10-26T03:07:22.796184288Z",
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"size": 27170520
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},
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{
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"id": "4526339ae51c3cdc97956a7a961c193c39dfc6bd9733b0d762a36c6881b5583a",
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"names": [
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"docker.io/library/ubuntu:latest"
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],
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"digest": "sha256:193f7734ddd68e0fb24ba9af8c2b673aecb0227b026871f8e932dab45add7753",
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"created": "2017-10-10T20:59:05.10196344Z",
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"size": 126085200
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}
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]
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```
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List all images sorted by the specified column:
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```
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# podman images --sort repository
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REPOSITORY TAG IMAGE ID CREATED SIZE
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<none> <none> 2460217d76fc About a minute ago 4.41 MB
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docker.io/library/alpine latest 3fd9065eaf02 5 months ago 4.41 MB
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localhost/myapp latest b2e0ad03474a About a minute ago 4.41 MB
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registry.access.redhat.com/rhel7 latest 7a840db7f020 2 weeks ago 211 MB
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registry.fedoraproject.org/fedora 27 801894bc0e43 6 weeks ago 246 MB
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```
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Show the difference between listed images in use versus all images, including dangling images:
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```
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# podman images
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REPOSITORY TAG IMAGE ID CREATED SIZE
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localhost/test latest 18f0c080cd72 4 seconds ago 4.42 MB
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docker.io/library/alpine latest 3fd9065eaf02 5 months ago 4.41 MB
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# podman images -a
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REPOSITORY TAG IMAGE ID CREATED SIZE
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localhost/test latest 18f0c080cd72 6 seconds ago 4.42 MB
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<none> <none> 270e70dc54c0 7 seconds ago 4.42 MB
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<none> <none> 4ed6fbe43414 8 seconds ago 4.41 MB
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<none> <none> 6b0df8e71508 8 seconds ago 4.41 MB
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docker.io/library/alpine latest 3fd9065eaf02 5 months ago 4.41 MB
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```
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## SEE ALSO
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**[podman(1)](podman.1.md)**, **[containers-storage.conf(5)](https://github.com/containers/storage/blob/main/docs/containers-storage.conf.5.md)**
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## HISTORY
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March 2017, Originally compiled by Dan Walsh `<dwalsh@redhat.com>`
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