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FusionAccess V100R006C20 Cloud Classroom Solution Product Documentation 10 (Single-Classroom Scenarios)

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Huawei uses machine translation combined with human proofreading to translate this document to different languages in order to help you better understand the content of this document. Note: Even the most advanced machine translation cannot match the quality of professional translators. Huawei shall not bear any responsibility for translation accuracy and it is recommended that you refer to the English document (a link for which has been provided).
Logging In to a VM Using VNC

Logging In to a VM Using VNC

Scenarios

When a VM is faulty, log in to the VM using virtual network computing (VNC) from the FusionCompute to troubleshoot the VM. For details about the default VNC login mode configuration, see Configuring the VNC Login Mode.

VNC login is supported only when a VM is in the Running, Migrating, Hibernating, or Stopping state and no GPU in passthrough or graphics passthrough mode is bound to the VM.

NOTE:
  • If an administrator has logged in to a user VM using VNC, the VM user cannot log in to the VM.
  • Declaration: This feature is a high-risk feature. Using this feature complies with industry practices. However, end user data may be required for implementing the feature. Exercise caution and obtain end user's consent when using this feature.

    This operation involves VM user privacy issues. Ensure that your login complies with local laws.

  • If operations have been performed to power cycle a VM after you log in to the VM in new login mode, the login window cannot be automatically reconnected after VM power cycling. Therefore, you must close the window and log in to the VM in the new login mode again after the VM is successfully power cycled.
  • If the login fails, see VNC Login Troubleshooting.

Prerequisites

  • You have logged in to the FusionCompute.
  • Before logging in to the VM using the VNC, ensure that you are using FusionAccess Client v1.6.2xxxx or a later version. If the version is earlier than v1.6.2xxxx, upgrade the FusionAccess Client by referring to Upgrading Clients in FusionAccess Desktop Solution V100R006C20 System Management
  • The VM is in the Running, Migrating, Hibernating, or Stopping state.

Procedure

Search for a VM.

  1. On the FusionCompute, choose VM and Template.

    The VM and Template page is displayed.

  2. Select VM in the navigation tree on the left, enter the search criteria on the VM page, and click Search.

    The query result is displayed.

    Search criteria can be Name, IP Address, MAC Address, ID, Description and UUID.

  3. (Optional) On the VM page, click Advanced on the top of the VM list and enter or select the search criteria, and then click Search.

    The query result is displayed.

    Search criteria can be IP Address, ID, Name, MAC Address, Description, UUID, Cluster/Host, Type and Status.

    DR VM and placeholder VM apply only to the host-based remote replica DR scenario. For details about how to query a DR VM or placeholder VM, see the FusionSphere Solution Documentation.

Log in to a VM using VNC.

  1. Select the VM, click Operation on the top of the VM list, and select Log in using VNC.

    The VNC login page is displayed.

    You can log in to a VM in new or old login mode. The old login mode is dependent on the Java (TM) plug-in, while the new login mode is not. Therefore, the new login mode does not support operations related to the Java (TM) plug-in, such as mounting a CD/DVD-ROM drive or ISO image to a VM or forcibly restarting or stopping a VM in the VNC window.

    Before you use Java (TM) plug-in, ensure that the bit version of the browser matches that of the Java plug-in. For example, a 32-bit browser supports only a 32-bit Java plug-in.

    The following browsers support the new login mode:

    • Internet Explorer 10 and 11
    • Mozilla Firefox 27 and later
    • Google Chrome 31 and later
      NOTE:

      If you use Google Chrome 30 and disconnection occurs after you log in to the VM using VNC in new login mode, wait until the system restores the connection or click Reconnect. After the reconnection is successful, no disconnection will occur.

      NOTE:

      To ensure security, disable SSL 3.0 for the browser if you log in to the VM in new login mode.

      For example, if the browser is Internet Explorer, choose Internet Options > Advanced > Security on the browser and deselect Use SSL 3.0.

      During the first login in old login mode:

      • If a pop-up blocking message is displayed, click the message, select Always Allow Pop-ups from This Site as prompted, and log in to the VM again using VNC.
      • If the Warning-Security dialog box is displayed, select Always trust content from this publisher, and click Run.
      • If the VM is created using the FusionCompute, obtain the initial password for logging in to the VM by FusionManager. Change the password after your first login.

      After you log in to a VM using VNC, the following operations cannot be performed:

      • Lower the screen resolution and color quality settings on the VM.
      • Press Ctrl or Alt on the keyboard.

        You are advised to click Ctrl or Alt on the VNC toolbar.

      • Press Ctrl+Alt+Del on the keyboard.

        You are advised to click Send Ctrl-Alt-Del on the VNC toolbar to switch to the page for entering the username and password.

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Updated: 2019-04-25

Document ID: EDOC1100010651

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