mirror of https://github.com/docker/docs.git
40 lines
1.6 KiB
Markdown
40 lines
1.6 KiB
Markdown
<!--[metadata]>
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+++
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title = "dumpcerts"
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[menu.main]
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description = "Docker Trusted Registry dumpcerts command reference."
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keywords = ["docker, registry, reference, dumpcerts"]
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parent="dtr_menu_reference"
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identifier="dtr_reference_dumpcerts"
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+++
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<![end-metadata]-->
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# docker/dtr dumpcerts
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Dump out the TLS certificates used by this DTR instance
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## Usage
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```bash
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$ docker run -it --rm docker/dtr \
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dumpcerts [command options] > backup.tar
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```
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## Description
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This command creates a backup of the certificates used by DTR for
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communicating across replicas with TLS.
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| Option | Description |
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|:------------------------|:-------------------------------------------------------------------|
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| `--ucp-url ` | Specify the UCP controller URL [$UCP_URL] |
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| `--ucp-username ` | Specify the UCP admin username [$UCP_USERNAME] |
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| `--ucp-password` | Specify the UCP admin password [$UCP_PASSWORD] |
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| `--debug` | Enable debug mode, provides additional logging [$DEBUG] |
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| `--hub-username` | Specify the Docker Hub username for pulling images [$HUB_USERNAME] |
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| `--hub-password ` | Specify the Docker Hub password for pulling images [$HUB_PASSWORD] |
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| `--ucp-insecure-tls` | Disable TLS verification for UCP [$UCP_INSECURE_TLS] |
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| `--ucp-ca` | Use a PEM-encoded TLS CA certificate for UCP [$UCP_CA] |
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| `--existing-replica-id` | ID of an existing replica in a cluster [$DTR_EXISTING_REPLICA_ID] |
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