Create a Linux guest operating system specification that you can apply when you create blueprints for use with vRealize Automation. This customization specification can be used to customize virtual machine guest operating systems when provisioning new virtual machines from vRealize Automation. 


  1. Log in to the Compute vCenter Server by using the vSphere Web Client.
    1. Open a Web browser and go to https://lax01w01vc01.lax01.rainpole.local/vsphere-client.
    2. Log in using the following credentials.
      Setting Value
      User name administrator@vsphere.local
      Password vsphere_admin_password
  2. Navigate to Home > Policies and Profiles > Customization Specification Manager and select the lax01w01vc01.lax01.rainpole.local vCenter Server from the drop-down menu.
  3. Click the Create a new specification icon.
    The  New VM Guest Customization Spec wizard appears.
  4. On the Specify Properties page, select Linux from the Target VM Operating System drop-down menu, enter os-linux-custom-spec for the Customization Spec Name, and click Next.
  5. On the Set Computer Name page, select Use the virtual machine name, enter lax01.rainpole.local in the Domain Name text box, and click Next.
  6. On the Time Zone page, specify the time zone as shown in the following table for the virtual machine, and click Next.
    Setting Value
    Area America
    Location Los Angeles
    Hardware Clock Set To Local Time
  7. On the Configure Network page, click Next.
  8. On the Enter DNS and Domain Settings page, leave the default settings, and click Next.
  9. Click Finish to save your changes.
    The customization specification that you created is listed in the  Customization Specification Manager.