docs/docker-trusted-registry/reference/dumpcerts.md

40 lines
1.6 KiB
Markdown

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