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36 lines
1.1 KiB
Markdown
36 lines
1.1 KiB
Markdown
---
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description: Dump out the TLS certificates used by this DTR instance
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keywords: docker, dtr, cli, dumpcerts
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title: docker/dtr dumpcerts
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---
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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 -i --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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## Options
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| Option | Description |
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|:--------------------------|:---------------------------|
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|`--ucp-url`|Specify the UCP controller URL including domain and port|
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|`--ucp-username`|Specify the UCP admin username|
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|`--ucp-password`|Specify the UCP admin password|
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|`--debug`|Enable debug mode, provides additional logging|
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|`--hub-username`|Specify the Docker Hub username for pulling images|
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|`--hub-password`|Specify the Docker Hub password for pulling images|
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|`--ucp-insecure-tls`|Disable TLS verification for UCP|
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|`--ucp-ca`|Use a PEM-encoded TLS CA certificate for UCP|
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|`--existing-replica-id`|ID of an existing replica in a cluster|
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