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Elastic Compute Service:GetInstanceConsoleOutput

Last Updated:Sep 29, 2024

Queries the command output of an Elastic Compute Service (ECS) instance. The returned command output is encoded in Base64.

Operation description

  • ECS is a virtualized cloud-based service and cannot be connected to display devices. Alibaba Cloud caches system command outputs for the last start, restart, or shutdown of ECS instances. You can call the GetInstanceConsoleOutput operation to query the command outputs.
  • For instances of the retired instance types, you cannot obtain command outputs. For more information, see Retired instance types.
  • You cannot obtain the command outputs of Windows instances.

Debugging

OpenAPI Explorer automatically calculates the signature value. For your convenience, we recommend that you call this operation in OpenAPI Explorer.

Authorization information

The following table shows the authorization information corresponding to the API. The authorization information can be used in the Action policy element to grant a RAM user or RAM role the permissions to call this API operation. Description:

  • Operation: the value that you can use in the Action element to specify the operation on a resource.
  • Access level: the access level of each operation. The levels are read, write, and list.
  • Resource type: the type of the resource on which you can authorize the RAM user or the RAM role to perform the operation. Take note of the following items:
    • The required resource types are displayed in bold characters.
    • If the permissions cannot be granted at the resource level, All Resources is used in the Resource type column of the operation.
  • Condition Key: the condition key that is defined by the cloud service.
  • Associated operation: other operations that the RAM user or the RAM role must have permissions to perform to complete the operation. To complete the operation, the RAM user or the RAM role must have the permissions to perform the associated operations.
OperationAccess levelResource typeCondition keyAssociated operation
ecs:GetInstanceConsoleOutputget
  • Instance
    acs:ecs:{#regionId}:{#accountId}:instance/{#instanceId}
    none
none

Request parameters

ParameterTypeRequiredDescriptionExample
RegionIdstringYes

The region ID of the instance. You can call the DescribeRegions operation to query the most recent region list.

cn-hangzhou
InstanceIdstringYes

The instance ID.

i-bp1c1xhsrac2coiw****
RemoveSymbolsbooleanNo

Specifies whether to remove formatting symbols from the returned command output. Valid values:

  • true
  • false

Default value: false.

false

Response parameters

ParameterTypeDescriptionExample
object
LastUpdateTimestring

The time when the last log entry was generated in the Linux kernel. The time follows the ISO 8601 standard in the yyyy-MM-ddThh:mmZ format. The time is displayed in UTC+8.

2018-03-22 10:04:57
RequestIdstring

The request ID.

473469C7-AA6F-4DC5-B3DB-A3DC0DE3C83E
InstanceIdstring

The instance ID.

i-bp1c1xhsrac2coiw****
ConsoleOutputstring

The Base64-encoded command output of the instance.

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

Examples

Sample success responses

JSONformat

{
  "LastUpdateTime": "2018-03-22 10:04:57",
  "RequestId": "473469C7-AA6F-4DC5-B3DB-A3DC0DE3C83E",
  "InstanceId": "i-bp1c1xhsrac2coiw****",
  "ConsoleOutput": "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"
}

Error codes

HTTP status codeError codeError messageDescription
400MissingParameter%sA parameter is not specified.
404InvalidParameter%sThe specified parameter is invalid.
405IncorrectInstanceStatus%sThe instance is in a state that does not support the current operation.
405NotSupported%sYour operation is invalid.
429Throttling%sYour request is being throttled.

For a list of error codes, visit the Service error codes.

Change history

Change timeSummary of changesOperation
No change history