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@@ -24,7 +24,7 @@ Skopeo is a command-line utility that performs various operations on container i
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This article explains how to install Skopeo for Ubuntu on Arm.
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Skopeo is available for Windows, macOS, and Linux and supports the Arm architecture. Refer to [Installing Skopeo](https://github.com/containers/skopeo/blob/main/install.md) for information about other operating systems and architectures.
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Skopeo is available for Windows, macOS, and Linux and supports the Arm architecture. See [Installing Skopeo](https://github.com/containers/skopeo/blob/main/install.md) for further information about other operating systems and architectures.
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## What should I consider before installing Skopeo on Arm?
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skopeo --version
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```
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To see the help message:
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To see the help message use this command:
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```bash
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skopeo --help
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```
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The output is:
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The output that you will see should be:
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```output
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Various operations with container images and container image registries
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skopeo [command]
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Available Commands:
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copy Copy an IMAGE-NAME from one location to another
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delete Delete image IMAGE-NAME
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generate-sigstore-key Generate a sigstore public/private key pair
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help Help about any command
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inspect Inspect image IMAGE-NAME
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list-tags List tags in the transport/repository specified by the SOURCE-IMAGE
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login Login to a container registry
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logout Logout of a container registry
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manifest-digest Compute a manifest digest of a file
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standalone-sign Create a signature using local files
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standalone-verify Verify a signature using local files
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sync Synchronize one or more images from one location to another
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copy Copy an IMAGE-NAME from one location to another.
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delete Delete image IMAGE-NAME.
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generate-sigstore-key Generate a sigstore public/private key pair.
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help Help about any command.
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inspect Inspect image IMAGE-NAME.
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list-tags List tags in the transport/repository specified by the SOURCE-IMAGE.
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login Log in to a container registry.
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logout Log out of a container registry.
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manifest-digest Compute a manifest digest of a file.
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standalone-sign Create a signature using local files.
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standalone-verify Verify a signature using local files.
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sync Synchronize one or more images from one location to another.
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Flags:
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--command-timeout duration timeout for the command execution
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--debug enable debug output
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-h, --help help for skopeo
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--insecure-policy run the tool without any policy check
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--override-arch ARCH use ARCH instead of the architecture of the machine for choosing images
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--override-os OS use OS instead of the running OS for choosing images
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--override-variant VARIANT use VARIANT instead of the running architecture variant for choosing images
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--policy string Path to a trust policy file
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--registries.d DIR use registry configuration files in DIR (e.g. for container signature storage)
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--tmpdir string directory used to store temporary files
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-v, --version Version for Skopeo
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--command-timeout duration Timeout for the command execution.
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--debug Enable debug output.
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-h, --help Help for skopeo.
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--insecure-policy Run the tool without any policy check.
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--override-arch ARCH Use ARCH instead of the architecture of the machine for choosing images.
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--override-os OS Use OS instead of the running OS for choosing images.
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--override-variant VARIANT Use VARIANT instead of the running architecture variant for choosing images.
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--policy string Path to a trust policy file.
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--registries.d DIR Use registry configuration files in DIR (for example, for container signature storage).
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--tmpdir string Directory used to store temporary files.
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-v, --version Version for Skopeo.
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Use "skopeo [command] --help" for more information about a command.
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```
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## How do I get started with Skopeo?
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Some commands to get you started with Skopeo are demonstrated below.
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You can use the commands listed below to get you started with Skopeo.
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### How can I check if a container image supports Arm?
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To find out if an image is multi-architecture, including Arm, you can inspect the image's manifest.
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For example, to check if the dev container available for creating Arm Learning Paths supports the Arm architecture run:
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For example, to check if the dev container available for creating Arm Learning Paths supports the Arm architecture, run:
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## What are some other uses for Skopeo?
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Copy an image from a registry to a local directory. This command is similar to `docker pull` and will copy the image from the remote registry to your local directory.
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Copy an image from a registry to a local directory. This command is similar to `docker pull` and copies the image from the remote registry to your local directory.
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