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    Elastic Compute Service:Upload or download files on the instance details page

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    Elastic Compute Service:Upload or download files on the instance details page

    Last Updated:Jul 15, 2026

    Transfer files to or from an ECS instance in the ECS console, even without a public IP address.

    Important

    File size limits:

    • Upload: The maximum file size is 500 MB.

    • Download: The maximum file size is 500 MB for Linux instances and 100 MB for Windows instances.

    Billing

    This feature is free of charge.

    Prerequisites

    • The ECS instance is Running.

    • If you are a Resource Access Management (RAM) user, grant the AliyunOOSFullAccess policy to the RAM user. This policy grants management permissions for CloudOps Orchestration Service (OOS). See Grant permissions to a RAM user.

    Access the file transfer page

    Navigate to the file transfer page in the ECS console.

    1. Go to ECS console - Instances.

    2. In the upper-left corner, select the resource group and region of the instance.

    3. On the Instances page, find the instance and click its ID to go to the Instance Details page.

      In the left-side navigation pane, choose Instances & Images > Instances. In the top navigation bar, select the region of the instance.

    4. In the navigation pane on the left, choose Remote Commands/Files > Upload/Download File.

      image

    Upload a file to an ECS instance

    1. Click Upload/Download.

    2. On the Send File page, configure the following parameters and click Upload.

      Configuration Item

      Description

      Disk Category

      Select Upload File to ECS Instance.

      File (Required)

      Select the file and select I agree to store this file in a temporary OSS bucket..

      Destination Path (Required)

      The absolute path on the instance to save the file. Default paths:

      • Linux: /root

      • Windows: C:\Users\Administrator\Documents

      File Description

      A description for identification.

      User

      The file owner.

      Note

      This parameter is available only for Linux instances.

      User Group

      The file owner group.

      Note

      This parameter is available only for Linux instances.

      Permission

      The file permissions in chmod format.

      Default value: 0644. The file owner has read and write permissions; group members and others have read-only permissions.

      Note

      This parameter is available only for Linux instances.

      Overwrite

      Whether to overwrite an existing file with the same name in the destination path.

      If overwriting is disabled and a file with the same name exists, the upload fails.

      Timeout Period

      The timeout for the file transfer task. The task process is forcibly stopped if it times out.

      Valid values: 10 to 86400. Unit: seconds. Default value: 60.

    3. After the upload completes, find the file in the Destination Path on the instance.

      image

    Download a file from an ECS instance

    1. Click Upload/Download.

    2. On the Send File page, configure the following parameters, select I agree to store this file in a temporary OSS bucket., and click Download.

      Configuration Item

      Description

      Disk Category

      Select Download File from ECS Instance.

      File

      The file path on the instance. Examples:

      • Linux: /root/your_file.zip

      • Windows: C:\\Users\\Administrator\\your_file.zip (double backslashes required).

    3. After the download completes, click Temporary Download Link in the Actions column. Paste the link into your browser address bar to download the file.

      image