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Dell ThinOS 2211, 2208, and 2205 Release Notes

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Convert Ubuntu 20.04 with DCA to ThinOS 2208

The conversion is supported on Latitude 3420 and OptiPlex 5400 All-in-One.

Prerequisites

  • If you have a device that is running Ubuntu 20.04 operating system, ensure that DCA-Enabler 1.5.0-14 or later versions is installed. For details on how to install DCA-Enabler in Ubuntu operating system and upgrade it, see Dell Wyse ThinOS Migration Guide at www.dell.com/support.
    NOTE:The device must have a factory-installed Ubuntu 20.04 operating system. If you have custom installed the Ubuntu operating system, you cannot convert it to ThinOS 2208.
  • Wyse Management Suite version 3.7 or later versions must be used to convert to ThinOS 2208.
  • Ensure that you have connected the device to the external power source using the power adapter.
  • Ensure you have enough ThinOS Activation devices licenses on Wyse Management Suite 3.7 or later versions.
  • Create a group in Wyse Management Suite with a group token.
  • The ThinOS Activation devices license number of Wyse Management Suite must be larger than the device number. If it is not larger, you cannot create the Advanced Policy for conversion.
  • The Ubuntu 20.04 devices must be registered to Wyse Management Suite as generic clients. For details on how to register the generic client to Wyse Management Suite, see Dell Wyse ThinOS Migration Guide at www.dell.com/support.
  • Ensure you have downloaded the Ubuntu 20.04 to ThinOS 2208 conversion image.
  • Extract the Ubuntu 20.04 to ThinOS 2208 conversion image to get the Conversion Installer file DTOS_Ubuntu_Installer_1.1-dtos4-amd64_signed.tar.gz and ThinOS image ThinOS_2208_9.3.2102.pkg.
    NOTE:The ThinOS image ThinOS_2208_9.3.2102.pkg can be used for downgrade in the future.

Steps

  1. Go to Apps & Data > App Inventory > Generic Client, and click Add Package file.
  2. Upload the Conversion Installer file DTOS_Ubuntu_Installer_1.1-dtos4-amd64_signed.tar.gz
  3. Go to Apps & Data > OS Image Repository > ThinOS 9.x, and click Add Firmware file.
  4. Upload the ThinOS image ThinOS_2208_9.3.2102.pkg.
  5. Go to Apps & Data > App Policies > Generic Client, and click Add Advanced Policy.
  6. Enter the policy name, select the group in which the Ubuntu devices have been registered, and select Generic Client as OS type.
  7. Click Add app, and select the conversion installer file that was uploaded before from the drop-down menu.
  8. Click Add app again, and select the ThinOS image file that was uploaded before from the drop-down menu.
  9. Select the platforms you want to convert in the Platform Filter drop-down menu.
  10. Click Save.
    NOTE:Ensure that the Apply Policy Automatically option is set to Do not apply automatically.
  11. In the next window, click Yes to schedule a job.
  12. Select Immediately in the Run drop-down menu in the App Policy Job window and click Preview.
  13. Click Schedule.
    The Conversion Installer file downloads and installs first followed by the ThinOS image. After installation, the device restarts automatically.
    NOTE:After you register the converted ThinOS device to Wyse Management Suite, the ThinOS activation devices license is consumed automatically.
    NOTE:After conversion, ThinOS 2208 is in the factory default status. ThinOS 2208 must be registered to Wyse Management Suite manually or using DHCP/DNS discovery.
    NOTE:If the conversion has failed, you can see the error log table below and reschedule the job. Go to Jobs > Schedule APP Policy to reschedule the job.

    If there is a /usr/dtos folder in your Ubuntu 20.04 device, you can use the command cat /var/log/dtos_dca_installer.log to get the error log. If the conversion has failed, it is recommended to install ThinOS ISO image.

    If there is no /usr/dtos folder in your Ubuntu 20.04 device, go to the WMS Server Jobs page to check the error messages.

    Table 1. Error Log table
    Error Log Resolution
    No AC plugged in Plug in power adapter, reschedule job
    Platform Not Supported This hardware platform is not supported
    Error mounting recovery partition The Ubuntu image is not a factory image. Reinstall the factory image.
    No DHC/ThinOS package in recovery partition Cannot find the ThinOS image, reschedule job
    Error in extracting DHC/ThinOS Future packages Failed to extract the ThinOS image, reschedule job
    Error copying the DHC/ThinOS Future packages to recovery partition Failed to copy the ThinOS image, reschedule job
    ThinOS package verification failed ThinOS image is not correct, reschedule job with the correct ThinOS image
    Not enough space in Recovery Partition Clear the recovery partition
    The free space of Recovery Partition is not enough Clear the recovery partition

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