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81 lines
3.2 KiB
Text
81 lines
3.2 KiB
Text
NAME
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gcloud alpha compute instances get-serial-port-output - read output from a
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virtual machine instance's serial port
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SYNOPSIS
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gcloud alpha compute instances get-serial-port-output INSTANCE_NAME
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[--port=PORT] [--start=START] [--zone=ZONE] [GCLOUD_WIDE_FLAG ...]
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DESCRIPTION
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(ALPHA) gcloud alpha compute instances get-serial-port-output is used to
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get the output from a Compute Engine virtual machine's serial port. The
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serial port output from the virtual machine will be printed to standard
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output. This information can be useful for diagnostic purposes.
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EXAMPLES
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To get the output from instance's serial port, run:
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$ gcloud alpha compute instances get-serial-port-output \
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example-instance --zone=us-central1-b
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POSITIONAL ARGUMENTS
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INSTANCE_NAME
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Name of the instance to operate on. For details on valid instance
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names, refer to the criteria documented under the field 'name' at:
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https://cloud.google.com/compute/docs/reference/rest/v1/instances
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FLAGS
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--port=PORT
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Instances can support up to four serial port outputs, numbered 1
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through 4. By default, this command will return the output of the first
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serial port. Setting this flag will return the output of the requested
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serial port.
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--start=START
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Specifies the byte index (zero-based) of the first byte you want
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returned. Use this flag if you want to continue getting the output from
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a previous request that was too long to return in one attempt. The last
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byte returned in a request will be reported on STDERR.
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--zone=ZONE
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Zone of the instance to operate on. If not specified, you might be
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prompted to select a zone (interactive mode only). gcloud attempts to
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identify the appropriate zone by searching for resources in your
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currently active project. If the zone cannot be determined, gcloud
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prompts you for a selection with all available Google Cloud Platform
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zones.
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To avoid prompting when this flag is omitted, the user can set the
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compute/zone property:
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$ gcloud config set compute/zone ZONE
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A list of zones can be fetched by running:
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$ gcloud compute zones list
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To unset the property, run:
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$ gcloud config unset compute/zone
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Alternatively, the zone can be stored in the environment variable
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CLOUDSDK_COMPUTE_ZONE.
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GCLOUD WIDE FLAGS
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These flags are available to all commands: --access-token-file, --account,
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--billing-project, --configuration, --flags-file, --flatten, --format,
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--help, --impersonate-service-account, --log-http, --project, --quiet,
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--trace-token, --user-output-enabled, --verbosity.
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Run $ gcloud help for details.
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NOTES
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This command is currently in alpha and might change without notice. If this
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command fails with API permission errors despite specifying the correct
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project, you might be trying to access an API with an invitation-only early
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access allowlist. These variants are also available:
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$ gcloud compute instances get-serial-port-output
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$ gcloud beta compute instances get-serial-port-output
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