Hi Philippe Lefebvre,
Thank you for reaching out to us on the Microsoft Q&A forum.
I've provided the Unit 3 repro steps at this link:https://video2.skills-academy.com/en-us/answers/questions/2047306/error-when-create-a-linux-virtual-machine-and-inst
After completing the Unit 3 exercise, proceed to the Unit 9 exercise and follow the steps outlined in the document. Be sure to restart the Cloud Shell before beginning to ensure it functions effectively.
We also tested it on our end and obtained positive results, as shown in the screenshots:
If you have any further questions or need additional assistance, please feel free to reach out. We're here to help!
If you have found the answer provided to be helpful, please click on the "Accept answer/Upvote" button so that it is useful for other members in the Microsoft Q&A community.