# metalcloud-cli custom-iso update

Update an existing custom ISO with new configuration

## Synopsis

Update an existing custom ISO image using a JSON configuration file or piped input.

This command allows you to modify properties of an existing custom ISO such as
name, description, or other metadata. The configuration should contain only the
fields you want to update.

Arguments:
  custom_iso_id   ID of the custom ISO to update (required)

Required flags:
  --config-source   Source of the configuration updates (required)
                    Can be 'pipe' to read from stdin or path to a JSON file

Required permissions:
  - custom_iso:write

Dependencies:
  - Valid JSON configuration with fields to update
  - Custom ISO must exist and be accessible

Examples:
  ## Update custom ISO from a JSON file
  metalcloud-cli custom-iso update 12345 --config-source updates.json
  
  ## Update custom ISO from piped JSON
  echo '{"name":"New Name"}' | metalcloud-cli custom-iso update 12345 --config-source pipe
  
  ## Update using shorter alias
  metalcloud-cli iso edit 12345 --config-source config-updates.json

```
metalcloud-cli custom-iso update custom_iso_id [flags]
```

### Options

```
      --config-source string   Source of the custom ISO configuration updates. Can be 'pipe' or path to a JSON file.
  -h, --help                   help for update
```

### Options inherited from parent commands

```
  -k, --api_key string         MetalCloud API key
  -c, --config string          Config file path
  -d, --debug                  Set to enable debug logging
  -e, --endpoint string        MetalCloud API endpoint
  -f, --format string          Output format. Supported values are 'text','csv','md','json','yaml'. (default "text")
  -i, --insecure_skip_verify   Set to allow insecure transport
  -l, --log_file string        Log file path
  -v, --verbosity string       Log level verbosity (default "INFO")
```

### SEE ALSO

* [metalcloud-cli custom-iso](/content/configuration/cli/metalcloud-cli_custom-iso.md)	 - Manage custom ISO images for server provisioning

#### Auto generated by spf13/cobra on 11-Aug-2025