To migrate your current Red Hat subscription for use on Alibaba Cloud, enroll in the Red Hat Cloud Access program. Follow these steps:
Log on to the Red Hat website.
Go to the enrollment page, and click GET STARTED.
Click Verifying eligibility for Cloud Access and confirm that you meet the eligibility requirements for Cloud Access.
Scroll up the page to the Enrollment Links section, and click Enroll with Use your own image.
On the Register Image page, select Alibaba Cloud as the Cloud Provider, enter your Alibaba Cloud Account ID, and specify the quantity of your images. Then, click Submit to register the images to Alibaba Cloud.