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    Security Center:DescribeMachineCanReboot

    Document Center

    Security Center:DescribeMachineCanReboot

    Last Updated:Jun 17, 2026

    Checks whether a server can be restarted when a vulnerability fix requires a restart to take effect.

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    RAM authorization

    The table below describes the authorization required to call this API. You can define it in a Resource Access Management (RAM) policy. The table's columns are detailed below:

    • Action: The actions can be used in the Action element of RAM permission policy statements to grant permissions to perform the operation.

    • API: The API that you can call to perform the action.

    • Access level: The predefined level of access granted for each API. Valid values: create, list, get, update, and delete.

    • Resource type: The type of the resource that supports authorization to perform the action. It indicates if the action supports resource-level permission. The specified resource must be compatible with the action. Otherwise, the policy will be ineffective.

      • For APIs with resource-level permissions, required resource types are marked with an asterisk (*). Specify the corresponding Alibaba Cloud Resource Name (ARN) in the Resource element of the policy.

      • For APIs without resource-level permissions, it is shown as All Resources. Use an asterisk (*) in the Resource element of the policy.

    • Condition key: The condition keys defined by the service. The key allows for granular control, applying to either actions alone or actions associated with specific resources. In addition to service-specific condition keys, Alibaba Cloud provides a set of common condition keys applicable across all RAM-supported services.

    • Dependent action: The dependent actions required to run the action. To complete the action, the RAM user or the RAM role must have the permissions to perform all dependent actions.

    Action

    Access level

    Resource type

    Condition key

    Dependent action

    yundun-sas:DescribeMachineCanReboot

    get

    *All Resource

    *

    		 None None

    Request parameters

    Parameter

    Type

    Required

    Description

    Example
    Type

    string

    No

    The type of vulnerability that requires a restart to fix. Valid values:

    • cve: Linux software vulnerability

    • sys: Windows system vulnerability.

    sys
    Uuid

    string

    No

    The UUID of the server to restart.

    5b268326-273e-44fc-a0e3-9482435c****

    Response elements

    Element

    Type

    Description

    Example

    object

    CanReboot

    boolean

    Indicates whether the server can be restarted. Valid values:

    • true: The server can be restarted.

    • false: The server cannot be restarted.

    true
    RequestId

    string

    The request ID.

    79CFF74D-E967-5407-8A78-EE03B925FDAA

    Examples

    Success response

    JSON format

    {
  "CanReboot": true,
  "RequestId": "79CFF74D-E967-5407-8A78-EE03B925FDAA"
}

    Error codes

    HTTP status code

    Error code

    Error message

    Description
    500 ServerError ServerError
    403 NoPermission caller has no permission

    See Error Codes for a complete list.

    Release notes

    See Release Notes for a complete list.